m69ar048b STMicroelectronics, m69ar048b Datasheet - Page 23

• Manufacturer Part Number: m69ar048b
• Description: 32 Mbit 2mb X16 1.8v Asynchronous Psram
• Manufacturer: STMicroelectronics

Figure 21. 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 22. Output Enable, Write Enable and UB/LB Controlled, Read/Write 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.
DQ0-DQ15
DQ0-DQ15
A0-A20
UB, LB
A0-A20
UB, LB
E1
W
G
E1
W
G
tBHQZ
tBHQX
tGHQZ
tGHQX
Low
tAXAV
Low
DATA
tAXAV
OUT
DATA
OUT
tAVBL
tAVWL
WRITE ADDRESS
WRITE ADDRESS
tDVBH
tDVWH
tAVAX
tAVAX
tBLBH
tWLWH
DATA
IN
tAXAV
tAXAV
DATA
IN
tAVGL
tAVGL
tBHAX
tWHAX
tBHDZ
tBLQX
tWHDZ
tGLQX
tAVQV
tAVQV
READ ADDRESS
tAVAX(read)
READ ADDRESS
tAVAX(read)
tBLQV
tBHQX
tBHQZ
tGHQX
tGHQZ
tGLQV
DATA
OUT
DATA
OUT
tAXAV
tAXAV
M69AR048B
ai09811
ai09810
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