MR27V3266D 데이터 시트보기 (PDF) - Oki Electric Industry

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MR27V3266D

2M x16 / 1M x32 Synchronous OTP ROM

Oki Electric Industry 

1 Semiconductor

Power Down @ CAS Latency = 4, Burst Length = 4

MR27V3266D

CLK

012

345

6 7 8 9 10 11 12 13 14 15 16 17 18 19

CKE

tCC

tCH tCL

Power Down ( Note1 )

tSI

tPDE

Active Standby

CS

Read Operation

RAS

CAS

ADDR

Ca

DQ

a0 a1 a2 a3

MR

Read

Power Down

Entry

Power Down

Exit

Note

1. Minimum current consumption is expected in Power Down state.

Row Active

Low level CKE sampled only in Active Standby state is defined as Power Down "Entry" command and it cuts

current consumption into minimum level.

After Power Down "Exit" the contents of Mode Register and row address is preserved.

During Power Down state no command can be sampled.

August , 1999

Revision 2.4

32M Synchronous OTP

21

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