Datasheet> 器件分类 > 嵌入式处理器和控制器> 微控制器和处理器> USB3326C-GL-TR

USB3326C-GL-TR: 产品描述USB Bus Controller, CMOS, PBGA25, 2 X 2 MM, 0.53 MM HEIGHT, 0.40 MM PITCH, ROHS COMPLIANT, WLCSP-25; 产品类别嵌入式处理器和控制器微控制器和处理器; 文件大小939KB，共79页; 制造商SMSC; 官网地址http://www.smsc.com/; 标准

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USB3326C-GL-TR在线购买

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USB3326C-GL-TR概述

USB Bus Controller, CMOS, PBGA25, 2 X 2 MM, 0.53 MM HEIGHT, 0.40 MM PITCH, ROHS COMPLIANT, WLCSP-25

USB3326C-GL-TR规格参数

参数名称	属性值
是否Rohs认证	符合
厂商名称	SMSC
零件包装代码	BGA
包装说明	VFBGA, BGA25,5X5,16
针数	25
Reach Compliance Code	unknow
最大时钟频率	19.2 MHz
JESD-30 代码	S-PBGA-B25
长度	1.97 mm
端子数量	25
最高工作温度	85 °C
最低工作温度	-40 °C
封装主体材料	PLASTIC/EPOXY
封装代码	VFBGA
封装等效代码	BGA25,5X5,16
封装形状	SQUARE
封装形式	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）	NOT SPECIFIED
电源	1.8,3.3 V
认证状态	Not Qualified
座面最大高度	0.62 mm
标称供电电压	3.3 V
表面贴装	YES
技术	CMOS
温度等级	INDUSTRIAL
端子形式	BALL
端子节距	0.4 mm
端子位置	BOTTOM
处于峰值回流温度下的最长时间	NOT SPECIFIED
宽度	1.97 mm
uPs/uCs/外围集成电路类型	BUS CONTROLLER, UNIVERSAL SERIAL BUS

文档解析

USB332x系列高速USB收发器采用ULPI 1.1接口标准，提供业界最小封装尺寸的物理层解决方案。产品集成多重保护机制：ESD防护达IEC 61000-4-2接触放电±8kV，OVP电路可承受30V直流电压冲击。内置USB开关矩阵支持通过单端口实现充电检测、立体声/单声道音频切换及数据传输功能。创新性flexPWR®技术结合睡眠模式，将ULPI接口电流降至32μA以下。技术亮点包括：1.8V±10% I/O电压兼容性；集成2.2μF电容的3.3V LDO稳压器；45Ω高速终端电阻全内置；支持主机/设备/OTG多角色切换。接收器延迟低至43个高速时钟周期，兼容传统UTMI链路设计。时钟系统支持外部12/13/19.2/26/27MHz参考输入或60MHz ULPI时钟模式，内部PLL可容忍1ns峰峰值时钟抖动。目标应用涵盖消费电子和工业设备领域，包括扫描仪、POS终端、IP电话及游戏主机等。25球WLCSP无铅封装适应高密度PCB布局，工业温度范围满足严苛环境要求。智能电缆检测功能符合中国充电器接口规范，简化充电电路设计。

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USB332x

Industry’s Smallest Hi-Speed USB

Transceiver with 1.8V ULPI Interface

PRODUCT FEATURES

Integrated ESD protection circuits

— Up to ±15kV IEC Air Discharge without external

devices

Over-Voltage Protection circuit (OVP) protects the

VBUS pin from continuous DC voltages up to 30V

Integrated USB Switch

— No degradation of Hi-Speed electrical

characteristics

— Allows single USB port of connection by

providing switching function for:

– Battery charging

– Stereo and mono/mic audio

– USB Full-Speed/Low-Speed data

flexPWR

Technology

— Low current design ideal for battery powered

applications

— “Sleep” mode tri-states all ULPI pins and places

the part in a low current state

— 1.8V IO Voltage (±10%)

Integrated battery to 3.3V LDO regulator

— 2.2uF bypass capacitor

— 100mV dropout voltage

“Wrapper-less” design for optimal timing performance

and design ease

— Low Latency Hi-Speed Receiver (43 Hi-Speed

clocks Max) allows use of legacy UTMI Links with

a ULPI bridge

External Reference Clock operation

— ULPI Input Clock Mode (60MHz sourced by Link)

— 0 to 3.6V input drive tolerant

— Able to accept “noisy” clock sources as reference

to internal, low-jitter PLL

— Frequencies: 12, 13, 19.2, 26, or 27MHz

Smart detection circuits allow identification of USB

charger, headset, or data cable insertion

Includes full support for the optional On-The-Go

(OTG) protocol detailed in the On-The-Go

Supplement Revision 2.0 specification

Supports the OTG Host Negotiation Protocol (HNP)

and Session Request Protocol (SRP)

UART mode for non-USB serial data transfers

SMSC USB332x

Datasheet

Internal 5V cable short-circuit protection of ID, DP

and DM lines to VBUS or ground

Industrial Operating Temperature -40°C to +85°C

25 ball WLCSP lead-free RoHS compliant package;

(2.0 x 2.0 x 0.53mm height)

Applications

The USB332x is targeted for any application where a Hi-

Speed USB connection is desired and when board

space, power, and interface pins must be minimized.

The USB332x is well suited for:

Cell Phones

PDAs

MP3 Players

GPS Personal Navigation Devices

Datacards

Scanners

External Hard Drives

Digital Still and Video Cameras

Portable Media Players

Entertainment Devices

Printers

HDTVs

Set Top Boxes/DVR/PVR

Video Record/Playback Systems

IP and Video Phones

Gaming Consoles

POS Terminals

DATASHEET

Revision 1.1 (11-20-12)

Industry’s Smallest Hi-Speed USB Transceiver with 1.8V ULPI Interface

Datasheet

Order Numbers

ORDER NUMBER

USB3321C-GL-TR

USB3322C-GL-TR

USB3326C-GL-TR

USB3327C-GL-TR

USB3329C-GL-TR

Note 0.1

REFCLK

FREQUENCY

(Note

0.1)

26MHz

12MHz

19.2MHz

27MHz

13MHz

PACKAGE TYPE

REEL SIZE

25 Ball, WLCSP Lead-Free RoHS

Compliant Package (tape and reel)

3000 pieces

All versions support ULPI Clock In Mode (60MHz input at REFCLK)

This product meets the halogen maximum concentration values per IEC61249-2-21

For RoHS compliance and environmental information, please visit

www.smsc.com/rohs

Please contact your SMSC sales representative for additional documentation related to this product

such as application notes, anomaly sheets, and design guidelines.

Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for

construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC

reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications

before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent

rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated

version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors

known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not

designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property

damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of

this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC’s website at http://www.smsc.com. SMSC is a registered

trademark of Standard Microsystems Corporation (“SMSC”). Product names and company names are the trademarks of their respective holders.

The Microchip name and logo, and the Microchip logo are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.

SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE

OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL

DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS OR REVENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT;

TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD

TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.

Revision 1.1 (11-20-12)

DATASHEET

SMSC USB332x

Industry’s Smallest Hi-Speed USB Transceiver with 1.8V ULPI Interface

Datasheet

Table of Contents

0.1

Reference Documents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

Chapter 1 General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Chapter 2 USB332x Pin Locations and Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1

USB332x Ball Locations and Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1.1

Package Diagram with Ball Locations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

2.1.2

Ball Definitions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Chapter 3 Limiting Values . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.1

3.2

Absolute Maximum Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Recommended Operating Conditions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Chapter 4 Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

Operating Current . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Clock Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ULPI Interface Timing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Digital IO Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

DC Characteristics: Analog I/O Pins. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Dynamic Characteristics: Analog I/O Pins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

OTG Electrical Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB Audio Switch Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Regulator Output Voltages and Capacitor Requirement . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 5 Architecture Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

5.1

5.2

5.3

5.4

ULPI Digital Operation and Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB 2.0 Hi-Speed Transceiver. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.1

USB Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.2.2

Termination Resistors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Bias Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Integrated Low Jitter PLL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.4.1

REFCLK Frequency Selection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.4.2

REFCLK Amplitude . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.4.3

REFCLK Jitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.4.4

REFCLK Enable/Disable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Internal Regulators and POR . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.1

Integrated Low Dropout Regulator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.2

Power On Reset (POR) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.3

Recommended Power Supply Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5.4

Start-Up . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB On-The-Go (OTG) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.6.1

ID Resistor Detection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.6.2

VBUS Monitor and Pulsing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.6.3

Driving External VBUS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB UART Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB Charger Detection Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

USB Audio Support. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

5.5

5.6

5.7

5.8

5.9

Chapter 6 ULPI Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.1

Overview. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38

6.1.1

ULPI Interface Signals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39

6.1.2

ULPI Interface Timing in Synchronous Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40

Revision 1.1 (11-20-12)

DATASHEET

SMSC USB332x

Industry’s Smallest Hi-Speed USB Transceiver with 1.8V ULPI Interface

Datasheet

6.2

6.3

6.4

6.5

6.6

6.7

ULPI Register Access. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2.1

ULPI Register Write . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2.2

ULPI Register Read. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2.3

ULPI RXCMD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2.4

USB332x Transmitter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.2.5

USB Receiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Low Power Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3.1

Entering Low Power/Suspend Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3.2

Exiting Low Power Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3.3

Interface Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.3.4

Minimizing Current in Low Power Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Full Speed/Low Speed Serial Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Carkit Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.5.1

USB UART Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

6.5.2

USB Audio Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

RID Converter Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Headset Audio Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 7 ULPI Register Map . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57

7.1

ULPI Register Array . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7.1.1

ULPI Register Set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7.1.2

Carkit Control Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

7.1.3

Vendor Register Access . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 8 Application Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69

8.1

8.2

8.3

Application Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Reference Designs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

ESD Performance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.3.1

Human Body Model (HBM) Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.3.2

EN/IEC 61000-4-2 Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.3.3

Air Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

8.3.4

Contact Discharge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 9 Package Outline, Tape & Reel Drawings, Package Marking . . . . . . . . . . . . . . 73

Chapter 10 Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78

SMSC USB332x

DATASHEET

Revision 1.1 (11-20-12)

USB3326C-GL-TR相似产品对比

	USB3326C-GL-TR	USB3322C-GL-TR
描述	USB Bus Controller, CMOS, PBGA25, 2 X 2 MM, 0.53 MM HEIGHT, 0.40 MM PITCH, ROHS COMPLIANT, WLCSP-25	USB Bus Controller, CMOS, PBGA25, 2 X 2 MM, 0.53 MM HEIGHT, 0.40 MM PITCH, ROHS COMPLIANT, WLCSP-25
是否Rohs认证	符合	符合
厂商名称	SMSC	SMSC
零件包装代码	BGA	BGA
包装说明	VFBGA, BGA25,5X5,16	VFBGA, BGA25,5X5,16
针数	25	25
Reach Compliance Code	unknow	unknow
最大时钟频率	19.2 MHz	12 MHz
JESD-30 代码	S-PBGA-B25	S-PBGA-B25
长度	1.97 mm	1.97 mm
端子数量	25	25
最高工作温度	85 °C	85 °C
最低工作温度	-40 °C	-40 °C
封装主体材料	PLASTIC/EPOXY	PLASTIC/EPOXY
封装代码	VFBGA	VFBGA
封装等效代码	BGA25,5X5,16	BGA25,5X5,16
封装形状	SQUARE	SQUARE
封装形式	GRID ARRAY, VERY THIN PROFILE, FINE PITCH	GRID ARRAY, VERY THIN PROFILE, FINE PITCH
峰值回流温度（摄氏度）	NOT SPECIFIED	NOT SPECIFIED
电源	1.8,3.3 V	1.8,3.3 V
认证状态	Not Qualified	Not Qualified
座面最大高度	0.62 mm	0.62 mm
标称供电电压	3.3 V	3.3 V
表面贴装	YES	YES
技术	CMOS	CMOS
温度等级	INDUSTRIAL	INDUSTRIAL
端子形式	BALL	BALL
端子节距	0.4 mm	0.4 mm
端子位置	BOTTOM	BOTTOM
处于峰值回流温度下的最长时间	NOT SPECIFIED	NOT SPECIFIED
宽度	1.97 mm	1.97 mm
uPs/uCs/外围集成电路类型	BUS CONTROLLER, UNIVERSAL SERIAL BUS	BUS CONTROLLER, UNIVERSAL SERIAL BUS

USB3326C-GL-TR

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