參數(shù)資料
型號(hào): 23C256
廠商: Holtek Semiconductor Inc.
英文描述: CMOS 32Kx 8-Bit Mask ROM
中文描述: 的CMOS 32Kx 8位掩模ROM
文件頁(yè)數(shù): 2/8頁(yè)
文件大小: 242K
代理商: 23C256
Pin Assignment
Pin Description
Pin Name
I/O
Description
A0~A14
I
Address inputs
D0~D7
O
Data outputs
CE/CE/OE1/OE1
I
Chip enable/Output enable input
OE/OE/NC
I
Output enable input
VSS
I
Negative power supply
VCC
I
Positive power supply
NC
No connection
Operation Truth Table
Mode
CE/CE
OE/OE
A0~A14
D0~D7
Read
H/L
Valid
Data Out
Deselect
H/L
L/H
X
High Z
Standby
L/H
X
High Z
Note: H=VIH, L=VIL, X=VIH or VIL
HT23C256
2
24th Aug ’98
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