參數(shù)資料
型號: HT23C040
廠商: Holtek Semiconductor Inc.
英文描述: CMOS 512K x 8-Bit Mask ROM(CMOS 512K x 8位掩模式ROM)
中文描述: 的CMOS為512k × 8位掩模ROM(的CMOS為512k × 8位掩模式光盤)
文件頁數(shù): 3/10頁
文件大小: 140K
代理商: HT23C040
Pin Description
Pin Name
I/O
Description
NC
No connection
A0~A18
I
Address inputs
D0~D7
O
Data outputs
VSS
Negative power supply
CE/CE/OE1/OE1
I
Chip enable/Output enable input
OE/OE/NC
I
Output enable input
VCC
Positive power supply
Operation Truth Table
Mode
CE/CE
OE/OE
A0~A18
D0~D7
Read
H/L
H/L
Valid
Data Out
Deselect
H/L
L/H
X
High Z
Standby
L/H
X
X
High Z
Note: H=V
IH
, L=V
IL
, X=V
IH
or V
IL
Absolute Maximum Ratings
Supply Voltage................................. 0.3V to 6V
Storage Temperature................. 50 C to 125 C
Input Voltage ....................... 0.3V to V
CC
+0.3V
Operating Temperature .............. 40 C to 85 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maxi-
mumRatings maycausesubstantialdamagetothedevice.Functionaloperationofthisdevice
at other conditions beyond those listed in the specification is not implied and prolonged expo-
sure to extreme conditions may affect device reliability.
HT23C040
3
January 20, 2000
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相關(guān)代理商/技術(shù)參數(shù)
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