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UPD43257B

NEC
Part Number UPD43257B
Manufacturer NEC
Description 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT
Published Jun 2, 2006
Detailed Description DATA SHEET MOS INTEGRATED CIRCUIT µPD43257B 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT Description The µPD43257B is ...
Datasheet PDF File UPD43257B PDF File

UPD43257B
UPD43257B

Overview
DATA SHEET MOS INTEGRATED CIRCUIT µPD43257B 256K-BIT CMOS STATIC RAM 32K-WORD BY 8-BIT Description The µPD43257B is a high speed, low power, and 262,144 bits (32,768 words by 8 bits) CMOS static RAM.
Battery backup is available.
And the µPD43257B has two chip enable pins (/CE1, CE2) to extend the capacity.
The µPD43257B is packed in 28-pin plastic DIP and 28-pin plastic SOP.
Features • 32,768 words by 8 bits organization • Fast access time: 70, 85 ns (MAX.
) • Low VCC data retention: 2.
0 V (MIN.
) • Two Chip Enable inputs: /CE1, CE2 Part number Access time ns (MAX.
) Operating supply Operating ambient voltage V temperature °C 0 to 70 At operating mA (MAX.
) 45 45 Supply current At standby A...


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