HM514400BLTT-8 Просмотр технического описания (PDF) - Hitachi -> Renesas Electronics

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HM514400BLTT-8

1,048,576-word × 4-bit Dynamic Random Access Memory

Hitachi -> Renesas Electronics 

Test Mode Cycle

RAS

Set Cycle**

HM514400B/BL, HM514400C/CL Series

Test Mode Cycle

*,**

Reset Cycle Normal Mode

CAS

WE

* CBR or RAS-only refresh

@€À@€À ** Address,Din,OE:HorL

Test Mode Set Cycle

WE-and-CAS-Before RAS-Refresh Cycle

t RP

t RC

t RAS

t RP

RAS

CAS

t RPC

t CSR

tT

t CHR

t CPN@

t WS

t WH

t RPC

t CRP

t CPN

WE

Address

Dout

t OFF1

High-Z

23

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