m69aw048b STMicroelectronics, m69aw048b Datasheet - Page 22

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m69aw048b

Manufacturer Part Number
m69aw048b
Description
32 Mbit 2m X16 3v Asynchronous Psram
Manufacturer
STMicroelectronics
Datasheet
M69AW048B
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.
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A0-A20
E1
W
UB, LB
DQ0-DQ15
A0-A20
E1
W
UB, LB
DQ0-DQ15
G
G
tEHQZ
tEHQX
tEHQZ
tEHQX
READ DATA
tEHAX
tEHAX
(read)
(read)
READ DATA
OUTPUT
OUTPUT
tGHEL
tGHEL
tEHEL
tEHEL
tAVEL
tAVEL
WRITE ADDRESS
WRITE ADDRESS
tDVWH
tDVEH
tELEH
tELEH
tWLWH
tELAX
tELAX
tWHAX
WRITE DATA
WRITE DATA
tEHAX
INPUT
INPUT
tEHEL
tEHEL
tEHDZ
tWHDZ
tGLQX
tGHQV
tAVEL
tAVEL
(read)
(read)
tELQV
tELQV
READ ADDRESS
READ ADDRESS
tELQX
tELAX(read)
tELAX(read)
tEHAX(read)
tEHAX(read)
tGHQX
READ DATA
READ DATA
tEHQX
OUTPUT
OUTPUT
ai08999b
ai09400b

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