m69ar048b STMicroelectronics, m69ar048b Datasheet - Page 20

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

M69AR048B
Figure 15. Write Enable and UB/LB Controlled, Write AC Waveforms 1
Note: E2 = High.
Figure 16. Write Enable and UB/LB Controlled, Write AC Waveforms 2
Note: E2 = High.
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DQ8-DQ15
DQ8-DQ15
DQ0-DQ7
DQ0-DQ7
A0-A20
A0-A20
UB
E1
LB
W
UB
E1
LB
W
Low
tAVWL
tAVBL
Low
tAXAV
tAXAV
tDVWH
ADDRESS VALID
ADDRESS VALID
tBLWH
tDVBH
tAVAX
tWLBH
tAVAX
tWHAX
VALID DATA
tBHAX
INPUT
VALID DATA
INPUT
tAVBL
tAVWL
tWHDZ
tBHDZ
tAXAV
tDVWH
ADDRESS VALID
ADDRESS VALID
tBLWH
tAVAX
tDVBH
tWLBH
tAVAX
tWHAX
VALID DATA
tBHAX
INPUT
VALID DATA
INPUT
tWHDZ
tBHDZ
tAXAV
AI09805
AI09804