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GS880V37AT-200I

产品描述256K x 36 9Mb Sync Burst SRAMs
产品类别存储    存储   
文件大小384KB,共18页
制造商GSI Technology
官网地址http://www.gsitechnology.com/
下载文档 详细参数 选型对比 全文预览

GS880V37AT-200I概述

256K x 36 9Mb Sync Burst SRAMs

GS880V37AT-200I规格参数

参数名称属性值
是否Rohs认证不符合
厂商名称GSI Technology
零件包装代码QFP
包装说明LQFP,
针数100
Reach Compliance Codecompli
ECCN代码3A991.B.2.B
最长访问时间3 ns
其他特性PIPELINED ARCHITECTURE
JESD-30 代码R-PQFP-G100
长度20 mm
内存密度9437184 bi
内存集成电路类型CACHE SRAM
内存宽度36
湿度敏感等级3
功能数量1
端子数量100
字数262144 words
字数代码256000
工作模式SYNCHRONOUS
最高工作温度85 °C
最低工作温度-40 °C
组织256KX36
封装主体材料PLASTIC/EPOXY
封装代码LQFP
封装形状RECTANGULAR
封装形式FLATPACK, LOW PROFILE
并行/串行PARALLEL
峰值回流温度(摄氏度)NOT SPECIFIED
认证状态Not Qualified
座面最大高度1.6 mm
最大供电电压 (Vsup)2 V
最小供电电压 (Vsup)1.6 V
标称供电电压 (Vsup)1.8 V
表面贴装YES
技术CMOS
温度等级INDUSTRIAL
端子形式GULL WING
端子节距0.65 mm
端子位置QUAD
处于峰值回流温度下的最长时间NOT SPECIFIED
宽度14 mm

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GS880V37AT-250/225/200
100-Pin TQFP
Commercial Temp
Industrial Temp
Features
• Single Cycle Deselect (SCD) operation
• 1.8 V +10%/–10% core power supply
• 1.8 V I/O supply
• LBO pin for Linear or Interleaved Burst mode
• Internal input resistors on mode pins allow floating mode pins
• Default to Interleaved Pipeline mode
• Byte Write (BW) and/or Global Write (GW) operation
• Internal self-timed write cycle
• Automatic power-down for portable applications
• JEDEC-standard 100-lead TQFP package
256K x 36
9Mb Sync Burst SRAMs
250 MHz–200 MHz
1.8 V V
DD
1.8 V I/O
internally and are controlled by ADV. The burst address
counter may be configured to count in either linear or
interleave order with the Linear Burst Order (LBO) input. The
Burst function need not be used. New addresses can be loaded
on every cycle with no degradation of chip performance.
SCD Pipelined Reads
The GS880V37AT is a SCD (Single Cycle Deselect) pipelined
synchronous SRAM. DCD (Dual Cycle Deselect) versions are
also available. SCD SRAMs pipeline deselect commands one
stage less than read commands. SCD RAMs begin turning off
their outputs immediately after the deselect command has been
captured in the input registers.
Byte Write and Global Write
Byte write operation is performed by using Byte Write enable
(BW) input combined with one or more individual byte write
signals (Bx). In addition, Global Write (GW) is available for
writing all bytes at one time, regardless of the Byte Write
control inputs.
Sleep Mode
Low power (Sleep mode) is attained through the assertion
(High) of the ZZ signal, or by stopping the clock (CK).
Memory data is retained during Sleep mode.
Core and Interface Voltages
The GS880V37AT operates on a 1.8 V power supply. All input
are 1.8 V compatible. Separate output power (V
DDQ
) pins are
used to decouple output noise from the internal circuits and are
1.8 V compatible.
Functional Description
Applications
The GS880V37AT is a 9,437,184-bit high performance
synchronous SRAM with a 2-bit burst address counter.
Although of a type originally developed for Level 2 Cache
applications supporting high performance CPUs, the device
now finds application in synchronous SRAM applications,
ranging from DSP main store to networking chip set support.
Controls
Addresses, data I/Os, chip enables (E1, E2, E3), address burst
control inputs (ADSP, ADSC, ADV), and write control inputs
(Bx, BW, GW) are synchronous and are controlled by a
positive-edge-triggered clock input (CK). Output enable (G)
and power down control (ZZ) are asynchronous inputs. Burst
cycles can be initiated with either ADSP or ADSC inputs. In
Burst mode, subsequent burst addresses are generated
Parameter Synopsis
Pipeline
3-1-1-1
1.8 V
t
KQ
tCycle
Curr
(x36)
-250
2.5
4.0
320
-225
2.7
4.4
295
-200
3.0
5.0
265
Unit
ns
ns
mA
Rev: 1.03 7/2004
1/18
© 2002, GSI Technology
Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

GS880V37AT-200I相似产品对比

GS880V37AT-200I GS880V37AT GS880V37AT-225 GS880V37AT-200 GS880V37AT-250 GS880V37AT-225I GS880V37AT-250I
描述 256K x 36 9Mb Sync Burst SRAMs 256K x 36 9Mb Sync Burst SRAMs 256K x 36 9Mb Sync Burst SRAMs 256K x 36 9Mb Sync Burst SRAMs 256K x 36 9Mb Sync Burst SRAMs 256K x 36 9Mb Sync Burst SRAMs 256K x 36 9Mb Sync Burst SRAMs
是否Rohs认证 不符合 - 不符合 不符合 不符合 不符合 不符合
厂商名称 GSI Technology - GSI Technology GSI Technology GSI Technology GSI Technology GSI Technology
零件包装代码 QFP - QFP QFP QFP QFP QFP
包装说明 LQFP, - LQFP, LQFP, LQFP, LQFP, LQFP,
针数 100 - 100 100 100 100 100
Reach Compliance Code compli - compli compli compliant compli compliant
ECCN代码 3A991.B.2.B - 3A991.B.2.B 3A991.B.2.B 3A991.B.2.B 3A991.B.2.B 3A991.B.2.B
最长访问时间 3 ns - 2.7 ns 3 ns 2.5 ns 2.7 ns 2.5 ns
其他特性 PIPELINED ARCHITECTURE - PIPELINED ARCHITECTURE PIPELINED ARCHITECTURE PIPELINED ARCHITECTURE PIPELINED ARCHITECTURE PIPELINED ARCHITECTURE
JESD-30 代码 R-PQFP-G100 - R-PQFP-G100 R-PQFP-G100 R-PQFP-G100 R-PQFP-G100 R-PQFP-G100
长度 20 mm - 20 mm 20 mm 20 mm 20 mm 20 mm
内存密度 9437184 bi - 9437184 bi 9437184 bi 9437184 bit 9437184 bi 9437184 bit
内存集成电路类型 CACHE SRAM - CACHE SRAM CACHE SRAM CACHE SRAM CACHE SRAM CACHE SRAM
内存宽度 36 - 36 36 36 36 36
湿度敏感等级 3 - 3 3 3 3 3
功能数量 1 - 1 1 1 1 1
端子数量 100 - 100 100 100 100 100
字数 262144 words - 262144 words 262144 words 262144 words 262144 words 262144 words
字数代码 256000 - 256000 256000 256000 256000 256000
工作模式 SYNCHRONOUS - SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS SYNCHRONOUS
最高工作温度 85 °C - 70 °C 70 °C 70 °C 85 °C 85 °C
组织 256KX36 - 256KX36 256KX36 256KX36 256KX36 256KX36
封装主体材料 PLASTIC/EPOXY - PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY PLASTIC/EPOXY
封装代码 LQFP - LQFP LQFP LQFP LQFP LQFP
封装形状 RECTANGULAR - RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR RECTANGULAR
封装形式 FLATPACK, LOW PROFILE - FLATPACK, LOW PROFILE FLATPACK, LOW PROFILE FLATPACK, LOW PROFILE FLATPACK, LOW PROFILE FLATPACK, LOW PROFILE
并行/串行 PARALLEL - PARALLEL PARALLEL PARALLEL PARALLEL PARALLEL
峰值回流温度(摄氏度) NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
认证状态 Not Qualified - Not Qualified Not Qualified Not Qualified Not Qualified Not Qualified
座面最大高度 1.6 mm - 1.6 mm 1.6 mm 1.6 mm 1.6 mm 1.6 mm
最大供电电压 (Vsup) 2 V - 2 V 2 V 2 V 2 V 2 V
最小供电电压 (Vsup) 1.6 V - 1.6 V 1.6 V 1.6 V 1.6 V 1.6 V
标称供电电压 (Vsup) 1.8 V - 1.8 V 1.8 V 1.8 V 1.8 V 1.8 V
表面贴装 YES - YES YES YES YES YES
技术 CMOS - CMOS CMOS CMOS CMOS CMOS
温度等级 INDUSTRIAL - COMMERCIAL COMMERCIAL COMMERCIAL INDUSTRIAL INDUSTRIAL
端子形式 GULL WING - GULL WING GULL WING GULL WING GULL WING GULL WING
端子节距 0.65 mm - 0.65 mm 0.65 mm 0.65 mm 0.65 mm 0.65 mm
端子位置 QUAD - QUAD QUAD QUAD QUAD QUAD
处于峰值回流温度下的最长时间 NOT SPECIFIED - NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED NOT SPECIFIED
宽度 14 mm - 14 mm 14 mm 14 mm 14 mm 14 mm
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