Details, datasheet, quote on part number: GM76C256C
CategoryMemory => SRAM => Low Power => 256 Kb
Description32Kx8bit CMOS SRAM
CompanyHynix Semiconductor
DatasheetDownload GM76C256C datasheet
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Features, Applications

Revision No 00 History Revision History Insert Revised - Datasheet format change - PDIP package type insert - Pin configuration change Revised - tWP Value Change 45ns 40ns Marking Information Add Revised - AC Test Condition Add : 5pF Test Load - tCLZ Value Change > 10ns Changed Logo - HYUNDAI hynix Draft Date Jul.07.2000 Remark Final

This document is a general product description and is subject to change without notice. Hynix responsibility for use of circuits described. No patent licenses are implied. Rev 03 / Apr. 2001


The is a high-speed, low power and X 8-bits CMOS Static Random Access Memory fabricated using Hynix's high performance CMOS process technology. It is suitable for use in low voltage operation and battery back-up application. This device has a data retention mode that guarantees data to remain valid at the minimum power supply voltage of 2.0 volt.


Fully static operation and Tri-state output TTL compatible inputs and outputs Low power consumption Battery backup(L/LL-part) - 2.0V(min.) data retention Standard pin configuration - 28 pin 600mil PDIP - 28 pin 330mil SOP - 28 pin 8x13.4 mm TSOP-I (Standard) Standby Current(uA) L LL Temperature (C) 0~70(Normal) -25~85(Extended)

Product Voltage Speed No. (V) (ns) 5.0 55/70/85 Note 1. Current value is max.

Pin Name /CS /WE /OE ~ I/O8 Vcc Vss Pin Function Chip Select Write Enable Output Enable Address Inputs Data Input/Output Power(+5.0V) Ground


Part No. GM76C256CLET GM76C256CLLET Speed Power L-part LL-part L-part LL-part L-part LL-part L-part LL-part L-part LL-part L-part LL-part Temp to 85C Package PDIP SOP TSOP-I Standard TSOP-I Standard TSOP-I Standard TSOP-I Standard

Symbol Vcc, VIN, VOUT TA Parameter Power Supply, Input/Output Voltage Operating Temperature GM76C256C GM76C256CE Storage Temperature Power Dissipation Data Output Current Lead Soldering Temperature & Time Rating -65 to Unit W mA Csec

TSTG PD IOUT TSOLDER Note 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is stress rating only and the functional operation of the device under these or any other conditions above those indicated in the operation of this specification is not implied. Exposure to the absolute maximum rating conditions for extended period may affect reliability.

Symbol Parameter Min. Vcc Power Supply Voltage 4.5 Vss Ground 0 VIH Input High Voltage 2.2 VIL Input Low Voltage -0.3(1) Note 1. VIL = -3.0V for pulse width less than 50ns Typ. 5.0 0 Max. Vcc+0.3 0.8 Unit

/CS /WE /OE Mode H X Standby L H Output Disabled H L Read L X Write Note 1. H=VIH, L=VIL, X=Don't Care I/O Operation High-Z Data Out Data In


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