MB81F643242C-60FN View Datasheet(PDF) - Fujitsu

Part Name

Description

Manufacturer

MB81F643242C-60FN

MEMORY CMOS 4 × 512 K × 32 BIT SYNCHRONOUS DYNAMIC RAM

Fujitsu 

MB81F643242C-60/-70/-10 Advanced Info (AE0.1E)

COMMAND TRUTH TABLE FOR CKE Note *1

Current

State

CKE CKE

n-1 n

CS

RAS CAS

WE

Self-

refresh

HXXXXX

L HHX X X

Self-

refresh

Recovery

L H L HHH

L H L HH L

LHLHLX

LHL LXX

L

L

X

X

X

X

LXXXXX

HHHXXX

HH L HHH

HH L HH L

HHLHL X

HHL L XX

HHXXXX

HLXXXX

Addr

X

X

X

X

X

X

X

X

X

X

X

X

X

X

X

Function

Notes

Invalid

Exit Self-refresh

(Self-refresh Recovery → Idle after tRC)

Exit Self-refresh

(Self-refresh Recovery → Idle after tRC)

Illegal

Illegal

Illegal

NOP (Maintain Self-refresh)

Invalid

Idle after tRC

Idle after tRC

Illegal

Illegal

Illegal

Illegal

Illegal

*2

(Continued)

13

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