74AC20MTR Datasheet, PDF (2/8 Pages) STMicroelectronics – DUAL 4-INPUT NAND GATE

74AC20
INPUT AND OUTPUT EQUIVALENT CIRCUIT
PIN DESCRIPTION
PIN No
1, 9
2, 10
3, 11
4, 12
5, 13
6, 8
7
14
SYMBOL
1A to 2A
1B to 2B
N.C.
1C to 2C
1D to 2D
1Y to 2Y
GND
V_CC
NAME AND FUNCTION
Data Inputs
Data Inputs
Not Connected
Data Inputs
Data Inputs
Data Outputs
Ground (0V)
Positive Supply Voltage
TRUTH TABLE
A
B
C
D
Y
L
X
X
X
H
X
L
X
X
H
) X
X
L
X
H
t(s ^X
X
X
L
H
c ^H
H
H
H
L
u X : Don’t Care
rod ^{ABSOLUTE MAXIMUM RATINGS}
P _Symbol
Parameter
Value
Unit
te _{VCC Supply Voltage}
-0.5 to +7
V
le _VI
DC Input Voltage
-0.5 to V_CC + 0.5
V
so ^VO
DC Output Voltage
-0.5 to V_CC + 0.5
V
b _IIK
DC Input Diode Current
± 20
mA
O _IOK
DC Output Diode Current
± 20
mA
) ^{- IO}
DC Output Current
± 50
mA
t(s ^{ICC or IGND DC VCC or Ground Current}
± 100
mA
c ^{Tstg Storage Temperature}
-65 to +150
°C
u T_L
Lead Temperature (10 sec)
300
°C
d _{Absolute Maximum Ratings are those values beyond which damage to the device may occur. Functional operation under these conditions is}
ro ^{not implied.}
P _{RECOMMENDED OPERATING CONDITIONS}
lete ^Symbol
oV_CC
s_VI
Ob ^VO
Supply Voltage
Input Voltage
Output Voltage
Parameter
Value
2 to 6
0 to V_CC
0 to V_CC
Unit
V
V
V
T_op
Operating Temperature
-55 to 125
°C
dt/dv Input Rise and Fall Time V_CC = 3.0, 4.5 or 5.5V (note 1)
8
ns/V
1) V_IN from 30% to 70% of V_CC
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