GS88118BGT-200IV

更新时间： 2024-11-26 04:56:31

品牌	Logo	应用领域
GSI		存储静态存储器
页数	文件大小	规格书
36页	1529K
描述
512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs

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中文翻译

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数据手册

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GS88118BGT-200IV 数据手册

GS88118/32/36B(T/D)-xxxV

250 MHz–150 MHz

100-pin TQFP & 165-bump BGA

Commercial Temp

512K x 18, 256K x 32, 256K x 36

1.8 V or 2.5 V V

9Mb Sync Burst SRAMs

1.8 V or 2.5 V I/O

Industrial Temp

Flow Through/Pipeline Reads

The function of the Data Output register can be controlled by

the user via the FT mode pin (Pin 14). Holding the FT mode

pin low places the RAM in Flow Through mode, causing

output data to bypass the Data Output Register. Holding FT

high places the RAM in Pipeline mode, activating the rising-

edge-triggered Data Output Register.

Features

• IEEE 1149.1 JTAG-compatible Boundary Scan

• 1.8 V or 2.5 V +10%/–10% core power supply

• 1.8 V or 2.5 V I/O supply

• LBO pin for Linear or Interleaved Burst mode

• Internal input resistors on mode pins allow floating mode pins

• 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 and 165-bump BGA

packages

• RoHS-compliant 100-lead TQFP and 165-bump BGA

packages available

SCD Pipelined Reads

The GS88118/32/36B(T/D)-xxxV 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

Functional Description

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.

Applications

The GS88118/32/36B(T/D)-xxxV 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.

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.

Controls

Core and Interface Voltages

Addresses, data I/Os, chip enable (E1, E2), 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

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.

The GS88118/32/36B(T/D)-xxxV operates on a 1.8 V or 2.5 V

power supply. All input are 1.8 V and 2.5 V compatible.

Separate output power (V

) pins are used to decouple

DDQ

output noise from the internal circuits and are 1.8 V and 2.5 V

compatible.

Paramter Synopsis

-250

-200

-150

Unit

t_KQ

3.0

4.0

3.0

5.0

3.8

6.7

tCycle

Pipeline

3-1-1-1

Curr (x18)

Curr (x32/x36)

200

230

170

195

140

160

t_KQ

5.5

6.5

7.5

tCycle

Flow Through

2-1-1-1

Curr (x18)

Curr (x32/x36)

160

185

140

160

128

145

Rev: 1.00 6/2006

1/36

Specifications cited are subject to change without notice. For latest documentation see http://www.gsitechnology.com.

12 3 4 5 6 7...36

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与GS88118BGT-200IV相关器件

型号	品牌	获取价格	描述	数据表
GS88118BGT-200T	GSI	获取价格	Cache SRAM, 512KX18, 6.5ns, CMOS, PQFP100, ROHS COMPLIANT, TQFP-100
GS88118BGT-200V	GSI	获取价格	512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs
GS88118BGT-225T	GSI	获取价格	Cache SRAM, 512KX18, 6ns, CMOS, PQFP100, TQFP-100
GS88118BGT-2300I	GSI	获取价格	512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs
GS88118BGT-2300IT	GSI	获取价格	SRAM
GS88118BGT-250	GSI	获取价格	512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs
GS88118BGT-250I	GSI	获取价格	512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs
GS88118BGT-250IT	GSI	获取价格	Cache SRAM, 512KX18, 5.5ns, CMOS, PQFP100, ROHS COMPLIANT, TQFP-100
GS88118BGT-250IV	GSI	获取价格	512K x 18, 256K x 32, 256K x 36 9Mb Sync Burst SRAMs
GS88118BGT-250T	GSI	获取价格	暂无描述

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