MC74ACT20 데이터 시트보기 (PDF) - Motorola => Freescale
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MC74ACT20 Datasheet PDF : 5 Pages
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MC74AC20 MC74ACT20
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
Min
Typ
VCC
Supply Voltage
′AC
′ACT
2.0
5.0
4.5
5.0
VREG
DC Regulated Power Voltage (Ref. to GND)
0
Input Rise and Fall Time (Note 1)
tr, tf
′AC Devices except Schmitt Inputs
Input Rise and Fall Time (Note 2)
tr, tf
′ACT Devices except Schmitt Inputs
TJ
Junction Temperature (PDIP)
TA
Operating Ambient Temperature Range
IOH
Output Current — HIGH
IOL
Output Current — LOW
VCC @ 3.0 V
150
VCC @ 4.5 V
40
VCC @ 5.5 V
25
VCC @ 4.5 V
10
VCC @ 5.5 V
8.0
–40
25
1. Vin from 30% to 70% VCC; see individual Data Sheets for devices that differ from the typical input rise and fall times.
2. Vin from 0.8 V to 2.0 V; see individual Data Sheets for devices that differ from the typical input rise and fall times.
DC CHARACTERISTICS
74AC
74AC
Symbol
Parameter
VCC
(V)
TA = +25°C
TA =
–40°C to +85°C
Unit
Typ Guaranteed Limits
VIH
Minimum High Level
Input Voltage
3.0
1.5 2.1
2.1
4.5 2.25 3.15
3.15
V
5.5 2.75 3.85
3.85
VIL
Maximum Low Level
Input Voltage
3.0
1.5 0.9
0.9
4.5 2.25 1.35
1.35
V
5.5 2.75 1.65
1.65
VOH
Minimum Low Level
Output Voltage
3.0 2.99 2.9
2.9
4.5 4.49 4.4
4.4
V
5.5 5.49 5.4
5.4
VOL
Maximum Low Level
Output Voltage
3.0
2.56
2.46
V
4.5
3.86
3.76
5.5
4.86
4.76
3.0 0.002 0.1
0.1
4.5 0.001 0.1
0.1
V
5.5 0.001 0.1
0.1
3.0
0.36
0.44
V
4.5
0.36
0.44
5.5
0.36
0.44
IIN
Maximum Input
Leakage Current
5.5
±0.1
±1.0
µA
IOLD
IOHD
ICC
†Minimum Dynamic
Output Current
Maximum Quiescent
Supply Current
5.5
75
mA
5.5
–75
mA
5.5
4.0
40
µA
* All outputs loaded; thresholds on input associated with output under test.
† Maximum test duration 2.0 ms, one output loaded at a time.
Note: IIN and ICC @ 3.0 V are guaranteed to be less than or equal to the respective limit @ 5.5 V.
Min
6.0
5.5
VCC
Unit
V
V
ns/V
ns/V
140
°C
85
°C
–24
mA
24
mA
Conditions
VOUT = 0.1 V
or VCC – 0.1 V
VOUT = 0.1 V
or VCC – 0.1 V
IOUT = – 50 µA
*VIN = VIL or VIH
– 12 mA
IOH
– 24 mA
– 24 mA
IOUT = 50 µA
*VIN = VIL or VIH
12 mA
IOL
24 mA
24 mA
VI = VCC, GND
VOLD = 1.65 V Max
VOHD = 3.85 V Min
VIN = VCC or GND
FACT DATA
5-2
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