M69AW048B datasheet(22/29 Pages) STMICROELECTRONICS

Teilenummer	M69AW048B

Bauteilbeschribung	32 Mbit (2M x16) 3V Asynchronous PSRAM

PDF	29 Pages

Scroll/Zoom	100%

Hersteller	STMICROELECTRONICS [STMicroelectronics]

Direct Link	http://www.st.com

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M69AW048B

22/29

Figure 18. Chip Enable Controlled, Read Followed by Write Mode AC Waveforms

Note: Write address is valid from either E1 or W of last falling edge.

Figure 19. E1, W, G Controlled, Read and Write Mode AC Waveforms

Note: G can be Low fixed in write operation under E1 control read-write-read operation.

WRITE ADDRESS

READ ADDRESS

A0-A20

READ DATA

OUTPUT

WRITE DATA

INPUT

DQ0-DQ15

UB, LB

tEHAX

(read)

tELAX

tELAX(read)

tEHAX(read)

tEHAX

tAVEL

(read)

tELEH

tELQV

tEHEL

tGHEL

tEHQX

tEHQZ

tEHQX

tELQX

tDVEH

tEHDZ

ai08999b

READ DATA

OUTPUT

WRITE ADDRESS

READ ADDRESS

A0-A20

READ DATA

OUTPUT

WRITE DATA

INPUT

DQ0-DQ15

UB, LB

tEHAX

(read)

tELAX

tELAX(read)

tEHAX(read)

tAVEL

(read)

tELEH

tELQV

tEHEL

tGHEL

tEHQX

tEHQZ

tGHQX

tGLQX

tDVWH

tWHDZ

ai09400b

tWHAX

tWLWH

tGHQV

READ DATA

OUTPUT

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