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M69AR048B 查看數據表(PDF) - STMicroelectronics
零件编号
产品描述 (功能)
生产厂家
M69AR048B
32 Mbit (2Mb x16) 1.8V Asynchronous PSRAM
STMicroelectronics
M69AR048B Datasheet PDF : 29 Pages
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M69AR048B
Figure 15. Write Enable and UB/LB Controlled, Write AC Waveforms 1
A0-A20
E1
W
LB
Low
tAVWL
tAVAX
ADDRESS VALID
tAXAV
tWLBH
tAVWL
tBHAX
tAVAX
ADDRESS VALID
tWLBH
tBHAX
UB
DQ0-DQ7
DQ8-DQ15
Note: E2 = High.
tDVBH
VALID DATA
INPUT
tBHDZ
tDVBH
VALID DATA
INPUT
tBHDZ
AI09804
Figure 16. Write Enable and UB/LB Controlled, Write AC Waveforms 2
A0-A20
E1
W
LB
tAVAX
ADDRESS VALID
tAXAV
Low
tWHAX
tAVBL
tBLWH
tAVAX
ADDRESS VALID
tAXAV
tWHAX
tAXAV
tAVBL
tBLWH
UB
DQ0-DQ7
DQ8-DQ15
Note: E2 = High.
tDVWH
VALID DATA
INPUT
tWHDZ
tDVWH
VALID DATA
INPUT
tWHDZ
AI09805
20/29
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