TMS427409A - 4194304 BY 4-BIT EXTENDED DATA OUT DYNAMIC RANDOM-ACCESS MEMORIES

National Semiconductor

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Datasheet Details

Part number	TMS427409A
Manufacturer	National Semiconductor
File Size	515.50 KB
Description	4194304 BY 4-BIT EXTENDED DATA OUT DYNAMIC RANDOM-ACCESS MEMORIES
Datasheet	TMS427409A_NationalSemiconductor.pdf

TMS427409A Product details

Description

DEVICE The TMS41x409A and TMS42x409A series are 16 777 216-bit dynamic random-access memory (DRAM) devices organized as 4 194 304 words of four bits each.These devices feature maximum RAS access times of 50, 60, and 70 ns.All address and data-in lines are latched on chip to simplify system design.Data out is unlatched to allow greater system flexibility.POWER SUPPLY 5V 5V 3.3 V 3.3 V SELF REFRESH, BATTERY BACKUP REFRESH CYCLES 4 096 in 64 ms 2 048

Features

or a RAS-only refresh. hidden refresh A hidden refresh can be performed while maintaining valid data at the output pin. This is accomplished by holding CAS at V.

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Published: Apr 16, 2005 |