參數(shù)資料
型號(hào): UPD44321181
廠商: NEC Corp.
英文描述: 32M-BIT ZEROSB SRAM FLOW THROUGH OPERATION
中文描述: 32兆位ZEROSB SRAM的流動(dòng)經(jīng)手術(shù)
文件頁數(shù): 11/24頁
文件大?。?/td> 299K
代理商: UPD44321181
11
Data Sheet M15958EJ5V0DS
μ
PD44321181, 44321361
Partial Truth Table for Write Enables
[
μ
PD44321181]
Operation
/WE
/BW1
/BW2
Read Cycle
H
×
×
Write Cycle / Byte 1 (I/O [1:8], I/OP1)
L
L
H
Write Cycle / Byte 2 (I/O [9:16], I/OP2)
L
H
L
Write Cycle / All Bytes
L
L
L
Write Abort / NOP
L
H
H
Remark
×
: don’t care
[
μ
PD44321361]
Operation
/WE
/BW1
/BW2
/BW3
/BW4
Read Cycle
H
×
×
×
×
Write Cycle / Byte 1 (I/O [1:8], I/OP1)
L
L
H
H
H
Write Cycle / Byte 2 (I/O [9:16], I/OP2)
L
H
L
H
H
Write Cycle / Byte 3 (I/O [17:24], I/OP3)
L
H
H
L
H
Write Cycle / Byte 4 (I/O [25:32], I/OP4)
L
H
H
H
L
Write Cycle / All Bytes
L
L
L
L
L
Write Abort / NOP
L
H
H
H
H
Remark
×
: don’t care
ZZ (Sleep) Truth Table
ZZ
Chip Status
0.2 V
Active
Open
Active
V
DD
0.2 V
Sleep
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