M69AR048B View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

M69AR048B

32 Mbit (2Mb x16) 1.8V Asynchronous PSRAM

STMicroelectronics 

M69AR048B

Figure 15. Write Enable and UB/LB Controlled, Write AC Waveforms 1

A0-A20

E1

W

LB

Low

tAVWL

tAVAX

ADDRESS VALID

tAXAV

tWLBH

tAVWL

tBHAX

tAVAX

ADDRESS VALID

tWLBH

tBHAX

UB

DQ0-DQ7

DQ8-DQ15

Note: E2 = High.

tDVBH

VALID DATA

INPUT

tBHDZ

tDVBH

VALID DATA

INPUT

tBHDZ

AI09804

Figure 16. Write Enable and UB/LB Controlled, Write AC Waveforms 2

A0-A20

E1

W

LB

tAVAX

ADDRESS VALID

tAXAV

Low

tWHAX

tAVBL

tBLWH

tAVAX

ADDRESS VALID

tAXAV

tWHAX

tAXAV

tAVBL

tBLWH

UB

DQ0-DQ7

DQ8-DQ15

Note: E2 = High.

tDVWH

VALID DATA

INPUT

tWHDZ

tDVWH

VALID DATA

INPUT

tWHDZ

AI09805

20/29

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