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MC74ACT640 Datasheet, PDF (3/6 Pages) ON Semiconductor – Octal 3−State Inverting Transciever
MC74ACT640
DC CHARACTERISTICS
Symbol
VIH
Parameter
Minimum High Level Input Voltage
TA = −405C to
VCC
TA = +255C
+855C
(V)
Typ
Guaranteed Limits
4.5
1.5
2.0
2.0
5.5
1.5
2.0
2.0
VIL
Maximum Low Level Input Voltage
4.5
1.5
0.8
0.8
5.5
1.5
0.8
0.8
VOH
Minimum High Level Output Voltage 4.5 4.49
4.4
4.4
5.5 5.49
5.4
5.4
4.5
3.86
3.76
5.5
4.86
4.76
VOL
Maximum Low Level Output Voltage 4.5 0.001 0.1
0.1
5.5 0.001 0.1
0.1
4.5
0.36
0.44
5.5
0.36
0.44
IIN
Maximum Input Leakage Current
5.5
±0.1
±1.0
DICCT Additional Max. ICC/Input
5.5
0.6
1.5
IOZ
Maximum 3−State Current
5.5
±0.5
±5.0
IOLD
†Minimum Dynamic Output Current 5.5
75
IOHD
5.5
−75
ICC
Maximum Quiescent Supply Current 5.5
8.0
80
*All outputs loaded; thresholds on input associated with output under test.
†Maximum test duration 2.0 ms, one output loaded at a time.
Unit
V
V
V
V
V
V
V
V
V
V
V
V
mA
mA
mA
mA
mA
mA
Conditions
VOUT = 0.1 V
or
VCC − 0.1 V
VOUT = 0.1 V
or
VCC − 0.1 V
IOUT = −50 mA
*VIN = VIL or VIH
IOH
IOUT = 50 mA
−24 mA
−24 mA
*VIN = VIL or VIH −24 mA
IOH
−24 mA
VI = VCC, GND
VI = VCC − 2.1 V
VI (OE) = VIL, VIH
VI = VCC, GND
VO = VCC, GND
VOLD = 1.65 V Max
VIN = VCC or GND
AC CHARACTERISTICS tr = tf = 3.0 ns (For Figures and Waveforms, See Figures 2 and 3.)
Symbol
Parameter
VCC*
(V)
TA = +255C
CL = 50 pF
Min
Max
TA = −405C to +855C
CL = 50 pF
Min
Max
Unit
tPLH
Propagation Delay
An to Bn or Bn to An 5.0
1.5
8.0
1.0
8.5
ns
tPHL
Propagation Delay
An to Bn or Bn to An 5.0
1.5
8.0
1.0
9.0
ns
tPZH
Output Enable Time
OE to An or Bn 5.0
1.5
10.0
1.0
11.0
ns
tPZL
Output Enable Time
OE to An or Bn 5.0
1.5
10.0
1.0
11.0
ns
tPHZ
Output Disable Time
T/R or OE to An or Bn 5.0
1.5
10.0
1.0
11.0
ns
tPLZ
Output Disable Time
T/R or OE to An or Bn 5.0
1.5
10.0
1.0
11.0
ns
*Voltage Range 5.0 V is 5.0 V ±0.5 V
CAPACITANCE
Symbol
Parameter
CIN
Input Capacitance
CI/O
Input/Output Capacitance
CPD
Power Dissipation Capacitance
Value Typ
Unit
4.5
pF
15
pF
45
pF
Test Conditions
VCC = 5.0 V
VCC = 5.0 V
VCC = 5.0 V
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