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74VHCT16244 Datasheet(PDF) 4 Page - STMicroelectronics

Part No. 74VHCT16244
Description  16-BIT BUS BUFFER WITH 3-STATE OUTPUTS (NON INVERTED)
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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74VHCT16244 Datasheet(HTML) 4 Page - STMicroelectronics

   
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74VHCT16244A
4/9
DC SPECIFICATIONS
AC ELECTRICAL CHARACTERISTICS (Input tr =tf =3ns)
(*) Voltage range is 5.0V
± 0.5V
CAPACITIVE CHARACTERISTICS
1) CPD is defined as the value of the IC’s internal equivalent capacitance which is calculated from the operating current consumption without
load. (Refer to Test Circuit). Average operating current can be obtained by the following equation. ICC(opr) =CPD xVCC xfIN +ICC/16 (per
Latch)
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
5.5
VI =VIH or VIL
VO =VCC or GND
±0.25
± 2.5
± 2.5
µA
II
Input Leakage
Current
0to
5.5
VI = 5.5V or GND
± 0.1
± 1
± 1
µA
ICC
Quiescent Supply
Current
5.5
VI =VCC or GND
440
40
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
5.4
8.5
1.0
9.5
1.0
10.0
ns
5.0
50
7
9.5
1.0
10.5
1.0
11.0
tPLZ
tPHZ
Output Disable
Time
5.0
15
RL = 1K
7.7
10.4
1.0
12.0
1.0
12.0
ns
5.0
50
8.2
11.4
1.0
13.0
1.0
13.0
tPZL
tPZH
Output Enable
Time
5.0
50
RL = 1K
8.8
11.4
1.0
13.0
1.0
13.0
ns
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.
CIN
Input Capacitance
410
10
10
pF
COUT
Output
Capacitance
6pF
CPD
Power Dissipation
Capacitance
(note 1)
5.0
fIN = 10MHz
21
pF


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