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74VHCT125ATTR Datasheet(PDF) 3 Page - STMicroelectronics

Part No. 74VHCT125ATTR
Description  QUAD BUS BUFFERS (3-STATE)
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74VHCT125A
3/12
Table 4: DC Specifications
Table 5: AC Electrical Characteristics (Input tr = tf = 3ns)
(*) Voltage range is 5.0V
± 0.5V
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
VIH
High Level Input
Voltage
4.5 to
5.5
22
2
V
VIL
Low Level Input
Voltage
4.5 to
5.5
0.8
0.8
0.8
V
VOH
High Level Output
Voltage
4.5
IO=-50 µA
4.4
4.5
4.4
4.4
V
4.5
IO=-8 mA
3.94
3.8
3.7
VOL
Low Level Output
Voltage
4.5
IO=50 µA
0.0
0.1
0.1
0.1
V
4.5
IO=8 mA
0.36
0.44
0.55
IOZ
High Impedance
Output Leakage
Current
4.5 to
5.5
VI = VIH or VIL
VO = 0V to 5.5V
±0.25
± 2.5
± 2.5
µA
II
Input Leakage
Current
0 to
5.5
VI = 5.5V or GND
± 0.1
± 1.0
± 1.0
µA
ICC
Quiescent Supply
Current
5.5
VI = VCC or GND
220
20
µA
+ICC
Additional Worst
Case Supply
Current
5.5
One Input at 3.4V,
other input at VCC
or GND
1.35
1.5
1.5
mA
IOPD
Output Leakage
Current
0
VOUT = 5.5V
0.5
5.0
5.0
µA
Symbol
Parameter
Test Condition
Value
Unit
VCC
(V)
CL
(pF)
TA = 25°C
-40 to 85°C
-55 to 125°C
Min.
Typ.
Max.
Min.
Max.
Min.
Max.
tPLH
tPHL
Propagation Delay
Time
5.0(*)
15
RL = 1 K
3.8
5.5
1.0
6.5
1.0
6.5
ns
5.0(*)
50
RL = 1 K
5.3
7.5
1.0
8.5
1.0
8.5
tPZL
tPZH
Output Disable
Time
5.0(*)
15
RL = 1 K
3.6
5.1
1.0
6.0
1.0
6.0
ns
5.0(*)
50
RL = 1 K
5.1
7.1
1.0
8.0
1.0
8.0
tPLZ
tPHZ
Output Enable
Time
5.0(*)
50
RL = 1 K
6.1
8.8
1.0
10.0
1.0
10.0
ns




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