m69aw048b STMicroelectronics, m69aw048b Datasheet - Page 23

• Manufacturer Part Number: m69aw048b
• Description: 32 Mbit 2m X16 3v Asynchronous Psram
• Manufacturer: STMicroelectronics

Figure 20. Output Enable and Write Enable Controlled, Read and Write Mode AC Waveforms
Note: E1 can be tied to Low for W and G controlled operation.
Figure 21. Output Enable, Write Enable and UB/LB Controlled, Read and Write Mode AC
Waveforms
Note: E1 can be tied to Low for W and G controlled operation.
When E1 is tied to Low, output is exclusively controlled by G.
When E1 is tied to Low, output is exclusively controlled by G.
E1
DQ0-DQ15
A0-A20
W
UB, LB
G
A0-A20
E1
W
UB, LB
DQ0-DQ15
G
tBHQZ
tAXAV
tBHQX
tGHQX
tGHQZ
Low
Low
tAXAV
DATA
DATA
OUT
OUT
tAVBL
WRITE ADDRESS
WRITE ADDRESS
tDVBH
tAVWL
tDVWH
tAVAX
tAVAX
tWLWH
tBLBH
DATA
IN
tAXAV
tAXAV
DATA
IN
tAVGL
tAVGL
tWHAX
tBHAX
tBHDZ
tBLQX
tWHDZ
tGLQX
READ ADDRESS
READ ADDRESS
tAVQV
tAVQV
tAVAX(read)
tAVAX(read)
tBLQV
tBHQX
tBHQZ
tGHQX
tGHQZ
tGLQV
DATA
DATA
OUT
OUT
M69AW048B
ai09402b
ai09401b
23/29