參數(shù)資料
型號: UPD4482321GF-A65-A
元件分類: SRAM
英文描述: 256K X 32 CACHE SRAM, 6.5 ns, PQFP100
封裝: 14 X 20 MM, PLASTIC, LQFP-100
文件頁數(shù): 3/28頁
文件大?。?/td> 370K
代理商: UPD4482321GF-A65-A
11
PD4482161, 4482181, 4482321, 4482361
Data Sheet M14521EJ3V0DS
Partial Truth Table for Write Enables
[
PD4482161, PD4482181]
Operation
/GW
/BWE
/BW1
/BW2
Read Cycle
H
××
Read Cycle
H
L
H
Write Cycle / Byte 1 (I/O [1:8], I/OP1)
H
L
H
Write Cycle / Byte 2 (I/O [9:16], I/OP2)
H
L
H
L
Write Cycle / All Bytes
H
L
Write Cycle / All Bytes
L
××
×
Remark
× : don’t care
[
PD4482321, PD4482361]
Operation
/GW
/BWE
/BW1
/BW2
/BW3
/BW4
Read Cycle
H
××
×
Read Cycle
H
L
H
Write Cycle / Byte 1 (I/O [1:8], I/OP1)
H
L
H
Write Cycle / Byte 2 (I/O [9:16], I/OP2)
H
L
H
L
H
Write Cycle / Byte 3 (I/O [17:24], I/OP3)
H
L
H
L
H
Write Cycle / Byte 4 (I/O [25:32], I/OP4)
H
L
H
L
Write Cycle / All Bytes
H
L
Write Cycle / All Bytes
L
××
×
Remark
× : don’t care
ZZ (Sleep) Truth Table
ZZ
Chip Status
0.2 V
Active
Open
Active
VDD 0.2 V
Sleep
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