74AC245(1999) 查看數據表（PDF） - Fairchild Semiconductor
零件编号
产品描述 (功能)
生产厂家
74AC245
(Rev.:1999)
(Rev.:1999)
Fairchild Semiconductor
74AC245 Datasheet PDF : 10 Pages
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DC 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
3.76
5.5
4.86
4.76
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
5.5
Leakage Current
±0.1
±1.0
ICCT
Maximum
5.5
0.6
1.5
ICC/Input
IOLD
Dynamic Output
5.5
75
IOHD
Current Minimum (Note 6)
5.5
−75
ICC
Maximum Quiescent
5.5
Supply Current
4.0
40.0
IOZT
Maximum I/O
Leakage Current
5.5
±0.3
±3.0
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.
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
IOH = −24 mA
V
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
mA VI = VCC − 2.1V
mA VOLD = 1.65V Max
mA VOHD = 3.85V Min
µA
VIN = VCC
or GND
VI (OE) = VIL, VIH
µA VI = VCC, GND
VO = VCC, GND
AC Electrical Characteristics for AC
Symbol
Parameter
tPLH
Propagation Delay
An to Bn or Bn to An
tPHL
Propagation Delay
An to Bn or Bn to An
tPZH
Output Enable Time
tPZL
Output Enable Time
tPHZ
Output Disable Time
tPLZ
Output Disable Time
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
TA = +25°C
CL = 50 pF
Min
Typ
Max
1.5
5.0
8.5
1.5
3.5
6.5
1.5
5.0
8.5
1.5
3.5
6.0
2.5
7.0
11.5
1.5
5.0
8.5
2.5
7.5
12.0
1.5
5.5
9.0
2.0
6.5
12.0
1.5
5.5
9.0
2.0
7.0
11.5
1.5
5.5
9.0
TA = −40°C to +85°C
CL = 50 pF
Min
Max
1.0
9.0
1.0
7.0
1.0
9.0
1.0
7.0
2.0
12.5
1.0
9.0
2.0
13.5
1.0
9.5
1.0
12.5
1.0
10.0
1.5
13.0
1.0
10.0
Units
ns
ns
ns
ns
ns
ns
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