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MC74ACT640 Datasheet, PDF (3/6 Pages) ON Semiconductor – Octal 3−State Inverting Transciever | |||
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MC74ACT640
DC CHARACTERISTICS
Symbol
VIH
Parameter
Minimum High Level Input Voltage
TA = â405C 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 3âState Current
5.5
±0.5
±5.0
IOLD
â Minimum Dynamic Output Current 5.5
75
IOHD
5.5
â75
ICC
Maximum Quiescent Supply Current 5.5
8.0
80
*All outputs loaded; thresholds on input associated with output under test.
â 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 â 0.1 V
VOUT = 0.1 V
or
VCC â 0.1 V
IOUT = â50 mA
*VIN = VIL or VIH
IOH
IOUT = 50 mA
â24 mA
â24 mA
*VIN = VIL or VIH â24 mA
IOH
â24 mA
VI = VCC, GND
VI = VCC â 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 = â405C 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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