參數(shù)資料
型號(hào): 27256
廠商: 意法半導(dǎo)體
英文描述: NMOS 256K 32K x 8 UV EPROM
中文描述: NMOS管256K 32K的× 8紫外線存儲(chǔ)器
文件頁數(shù): 2/9頁
文件大?。?/td> 62K
代理商: 27256
M74HC51
2/9
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
TRUTH TABLE
TRUTH TABLE
X : Don’t Care
ABSOLUTE MAXIMUM RATINGS
Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is
not implied
(*) 500mW at 65
°
C; derate to 300mW by 10mW/
°
C from 65
°
C to 85
°
C
PIN No
SYMBOL
NAME AND FUNCTION
1, 12, 13, 9,
10, 11
2, 3, 4, 5
8, 6
7
14
1A to 1F
Data Inputs
2A to 2D
1Y to 2Y
GND
V
CC
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
1A
1B
1C
1D
1E
1F
1Y
H
X
H
X
H
X
X
H
X
H
X
H
L
L
H
ALL OTHER COMBINATIONS
2A
2B
2C
2D
2Y
H
X
H
X
X
H
X
H
L
L
H
ALL OTHER COMBINATIONS
Symbol
Parameter
Value
Unit
V
CC
V
I
V
O
I
IK
I
OK
I
O
Supply Voltage
DC Input Voltage
-0.5 to +7
-0.5 to V
CC
+ 0.5
-0.5 to V
CC
+ 0.5
±
20
±
20
±
25
±
50
500(*)
-65 to +150
300
V
V
V
DC Output Voltage
DC Input Diode Current
DC Output Diode Current
mA
mA
DC Output Current
mA
mA
mW
°
C
°
C
I
CC
or I
GND
DC V
CC
or Ground Current
P
D
Power Dissipation
T
stg
Storage Temperature
T
L
Lead Temperature (10 sec)
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