电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

74HC244BQ,115

产品描述Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin DHVQFN EP T/R
产品类别缓冲器和线路驱动器   
文件大小252KB,共16页
制造商Nexperia
官网地址https://www.nexperia.com
标准
下载文档 详细参数 选型对比 全文预览

74HC244BQ,115概述

Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin DHVQFN EP T/R

74HC244BQ,115规格参数

参数名称属性值
欧盟限制某些有害物质的使用Compliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
Logic FamilyHC
Logic FunctionBuffer/Line Driver
Number of Elements per Chip2
Number of Channels per Chip8
Number of Inputs per Chip8
Number of Input Enables per Chip0
Number of Outputs per Chip8
Number of Output Enables per Chip2 Low
Bus HoldNo
PolarityNon-Inverting
Maximum Propagation Delay Time @ Maximum CL (ns)22@4.5V|19@6V|110@2V
Absolute Propagation Delay Time (ns)225
Process TechnologyCMOS
Input Signal TypeSingle-Ended
输出类型
Output Type
3-State
Maximum Low Level Output Current (mA)7.8
Maximum High Level Output Current (mA)-7.8
Minimum Operating Supply Voltage (V)2
Typical Operating Supply Voltage (V)5
Maximum Operating Supply Voltage (V)6
Maximum Quiescent Current (uA)8
Propagation Delay Test Condition (pF)50
Maximum Power Dissipation (mW)500
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)125
系列
Packaging
Tape and Reel
Standard Package NameQFN
Supplier PackageDHVQFN EP
Pin Count20
MountingSurface Mount
Package Height0.88
Package Length4.5
Package Width2.5
PCB changed20
Lead ShapeNo Lead

文档预览

下载PDF文档
74HC244; 74HCT244
Octal buffer/line driver; 3-state
Rev. 6 — 27 September 2019
Product data sheet
1. General description
The 74HC244; 74HCT244 is an 8-bit buffer/line driver with 3-state outputs. The device can be
used as two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and
2OE), each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume
a high-impedance OFF-state. Inputs include clamp diodes that enable the use of current limiting
resistors to interface inputs to voltages in excess of V
CC
.
2. Features and benefits
Input levels:
For 74HC244: CMOS level
For 74HCT244: TTL level
Octal bus interface
Non-inverting 3-state outputs
Complies with JEDEC standard no. 7 A
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Multiple package options
Specified from -40 °C to +85 °C and -40 °C to +125 °C
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range
74HC244D
74HCT244D
74HC244DB
74HCT244DB
74HC244PW
74HCT244PW
74HC244BQ
74HCT244BQ
-40 °C to +125 °C
-40 °C to +125 °C
TSSOP20
-40 °C to +125 °C
SSOP20
-40 °C to +125 °C
Name
SO20
Description
plastic small outline package; 20 leads;
body width 7.5 mm
plastic shrink small outline package; 20 leads;
body width 5.3 mm
plastic thin shrink small outline package;
20 leads; body width 4.4 mm
Version
SOT163-1
SOT339-1
SOT360-1
SOT764-1
DHVQFN20 plastic dual-in-line compatible thermal
enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 × 4.5 × 0.85 mm

74HC244BQ,115相似产品对比

74HC244BQ,115 74HC244DB,118 74HC244DB,112 PRA100C7-264RBPBT 74HC244D,652
描述 Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin DHVQFN EP T/R Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin SSOP T/R Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin SSOP Bulk Array/Network Resistor, Bussed, Thin Film, 0.1W, 264ohm, 50V, 0.1% +/-Tol, -10,10ppm/Cel, 2806, Buffer/Line Driver 8-CH Non-Inverting 3-ST CMOS 20-Pin SO Bulk
欧盟限制某些有害物质的使用 Compliant Compliant Compliant - Compliant
ECCN (US) EAR99 EAR99 EAR99 - EAR99
Part Status Active LTB LTB - LTB
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 - 8542.39.00.01
Logic Family HC HC HC - HC
Logic Function Buffer/Line Driver Buffer/Line Driver Buffer/Line Driver - Buffer/Line Driver
Number of Elements per Chip 2 2 2 - 2
Number of Channels per Chip 8 8 8 - 8
Number of Inputs per Chip 8 8 8 - 8
Number of Outputs per Chip 8 8 8 - 8
Number of Output Enables per Chip 2 Low 2 Low 2 Low - 2 Low
Bus Hold No No No - No
Polarity Non-Inverting Non-Inverting Non-Inverting - Non-Inverting
Maximum Propagation Delay Time @ Maximum CL (ns) 22@4.5V|19@6V|110@2V 110@2V|22@4.5V|19@6V 19@6V|22@4.5V|110@2V - 110@2V|22@4.5V|19@6V
Absolute Propagation Delay Time (ns) 225 225 225 - 225
Process Technology CMOS CMOS CMOS - CMOS
Input Signal Type Single-Ended Single-Ended Single-Ended - Single-Ended
输出类型
Output Type
3-State 3-State 3-State - 3-State
Maximum Low Level Output Current (mA) 7.8 7.8 7.8 - 7.8
Maximum High Level Output Current (mA) -7.8 -7.8 -7.8 - -7.8
Minimum Operating Supply Voltage (V) 2 2 2 - 2
Typical Operating Supply Voltage (V) 5 5 5 - 5
Maximum Operating Supply Voltage (V) 6 6 6 - 6
Maximum Quiescent Current (uA) 8 8 8 - 8
Propagation Delay Test Condition (pF) 50 50 50 - 50
Maximum Power Dissipation (mW) 500 500 500 - 500
Minimum Operating Temperature (°C) -40 -40 -40 - -40
Maximum Operating Temperature (°C) 125 125 125 - 125
系列
Packaging
Tape and Reel Tape and Reel Bulk - Bulk
Supplier Package DHVQFN EP SSOP SSOP - SO
Pin Count 20 20 20 - 20
Mounting Surface Mount Surface Mount Surface Mount - Surface Mount
Package Height 0.88 1.8(Max) 1.8(Max) - 2.45(Max)
Package Length 4.5 7.4(Max) 7.4(Max) - 13(Max)
Package Width 2.5 5.4(Max) 5.4(Max) - 7.6(Max)
PCB changed 20 20 20 - 20
【招聘】 【上海】待遇:5k以上 单片机开发工程师
公司性质:创业公司工作地点:上海 徐家汇招聘人数:1学历:不限性别:不限待遇:5k或以上工作职责描述:1、在技术研发项目中,负责基于单片机的软件设计、电路设计;2、负责项目的技术文档编制 ......
zgamma 求职招聘
WINCE6.0下如何进行快速编译
经过google,在ARM-WinCE老师的博客里面有如下描述: 在WinCE下面,创建工程,然后编译是需要花很长时间的。当我们第一编译完工程以后,如果需要改我们的驱动或者BSP,我们是不需要重新编译整 ......
atghjiq 嵌入式系统
关于高效供电, Vicor工程师想邀您一起聊聊!
半导体制造商正在对自动测试设备(ATE)公司提出更高的要求,要求他们能够快速可靠地设计出满足不断增长的 IC 需求的测试系统,并且尽可能少地增加成本。IC 制造商将测试成本(CoT)视为成 ......
eric_wang 电源技术
无线通信距离
最近接到一个项目,要用到无线通信模块。它的通信距离要达到500m以上 有哪位仁兄做过这方面的东西 或有什么好的想法没有 希望能给小弟好的建议...
爱好汽车电子 无线连接
欢迎电源管理版主
欢迎电源管理版主...
yanmei 电源技术
物联网智能家居-厨房之zigbee无线通讯传输数据成功
总算感在回家之前把无线通讯部分搞定了!主要还是因为Ti现有的官方协议栈实验已经把“SerialApp”这个例子提供给我们了!如果你安装了官方协议的话!在C:\Texas Instruments\ZStack-CC2530-2.2. ......
anananjjj DIY/开源硬件专区

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 2681  695  2784  1179  1927  54  14  57  24  39 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved