74AC821SPC Просмотр технического описания (PDF) - Fairchild Semiconductor
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74AC821SPC Datasheet PDF : 8 Pages
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DC Electrical Characteristics for ACT
Symbol
Parameter
VIH
Minimum HIGH Level
Input Voltage
VIL
Maximum LOW Level
Input Voltage
VOH
Minimum HIGH Level
Output Voltage
VCC
TA = +25°C
TA = −40°C to +85°C
(V)
Typ
Guaranteed Limits
4.5
1.5
2.0
2.0
5.5
1.5
2.0
2.0
4.5
1.5
0.8
0.8
5.5
1.5
0.8
0.8
4.5
4.49
4.4
4.4
5.5
5.49
5.4
5.4
VOL
Maximum LOW Level
Output Voltage
4.5
3.86
5.5
4.86
4.5
0.001
0.1
5.5
0.001
0.1
3.76
4.76
0.1
0.1
4.5
0.36
5.5
0.36
IIN
Maximum Input
5.5
±0.1
(Note 4) Leakage Current
IOZ
Maximum 3-STATE
5.5
±0.5
Current
ICCT
IOLD
IOHD
ICC
Maximum
ICC/Input
Minimum Dynamic
Output Current (Note 6)
Maximum Quiescent
Supply Current
5.5
0.6
5.5
5.5
5.5
8.0
Note 5: All outputs loaded; thresholds on input associated with output under test.
Note 6: Maximum test duration 2.0 ms, one output loaded at a time.
0.44
0.44
±1.0
±5.0
1.5
75
−75
80.0
Units
Conditions
V
VOUT = 0.1V
or VCC − 0.1V
V
VOUT = 0.1V
or VCC − 0.1V
V
IOUT = − 50 µA
VIN = VIL or VIH
V
IOH = − 24 mA
IOH = − 24 mA (Note 5)
V
IOUT = 50 µA
VIN = VIL or VIH
V
IOL = 24 mA
IOL = 24 mA (Note 5)
µA VI = VCC, GND
µA
VI = VIL, VIH
VO = VCC, GND
mA VI = VCC − 2.1V
mA VOLD = 1.65V Max
mA VOHD = 3.85V Min
µA
VIN = VCC
or GND
AC Electrical Characteristics for AC
Symbol
Parameter
fMAX
Maximum Clock
Frequency
tPLH
Propagation Delay
CP to On
tPHL
Propagation Delay
CP to On
tPZH
Output Enable Time
OE to On
tPZL
Output Enable Time
OE to On
tPHZ
Output Disable Time
OE to On
tPLZ
Output Disable Time
OE to On
Note 7: Voltage Range 3.3 is 3.3V ± 0.3V
Voltage Range 5.0 is 5.0V ± 0.5V
VCC
(V)
(Note 7)
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
3.3
5.0
TA = +25°C
CL = 50 pF
Min
Typ
Max
110
145
120
160
3.0
8.0
13.0
2.0
6.0
9.5
3.0
8.0
13.0
2.0
5.5
9.5
2.5
6.0
11.0
1.5
4.5
8.0
2.5
6.5
11.0
1.5
5.0
8.0
2.5
6.5
10.5
1.5
5.0
8.0
2.5
6.0
10.5
1.5
4.5
8.0
TA = −40°C to +85°C
CL = 50 pF
Min
Max
100
110
3.0
15.0
2.0
10.5
3.0
15.0
2.0
10.5
2.5
12.0
1.5
9.0
2.5
12.0
1.5
9.0
2.5
11.0
1.5
8.5
2.5
11.0
1.5
8.5
Units
MHz
ns
ns
ns
ns
ns
ns
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