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74VHC244 Datasheet(PDF) 5 Page - Nexperia B.V. All rights reserved

Part No. 74VHC244
Description  Octal buffer/line driver; 3-state
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Maker  NEXPERIA [Nexperia B.V. All rights reserved]
Homepage  https://www.nexperia.com/
Logo NEXPERIA - Nexperia B.V. All rights reserved

74VHC244 Datasheet(HTML) 5 Page - Nexperia B.V. All rights reserved

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74VHC_VHCT244_1
Product data sheet
Rev. 01 — 17 August 2009
5 of 16
Nexperia
74VHC244; 74VHCT244
Octal buffer/line driver; 3-state
8.
Recommended operating conditions
9.
Static characteristics
Table 5.
Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol
Parameter
Conditions
74VHC244
74VHCT244
Unit
Min
Typ
Max
Min
Typ
Max
VCC
supply voltage
2.0
5.0
5.5
4.5
5.0
5.5
V
VI
input voltage
0
-
5.5
0
-
5.5
V
VO
output voltage
0
-
VCC
0-
VCC
V
Tamb
ambient temperature
−40
+25
+125
−40
+25
+125
°C
∆t/∆V
input transition rise
and fall rate
VCC = 3.3 V ± 0.3 V
-
-
100
-
-
-
ns/V
VCC = 5.0 V ± 0.5 V
-
-
20
-
-
20
ns/V
Table 6.
Static characteristics
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
25
°C
−40 °C to +85 °C −40 °C to +125 °C Unit
Min
Typ
Max
Min
Max
Min
Max
For type 74VHC244
VIH
HIGH-level
input voltage
VCC = 2.0 V
1.5
-
-
1.5
-
1.5
-
V
VCC = 3.0 V
2.1
-
-
2.1
-
2.1
-
V
VCC = 5.5 V
3.85
-
-
3.85
-
3.85
-
V
VIL
LOW-level
input voltage
VCC = 2.0 V
-
-
0.5
-
0.5
-
0.5
V
VCC = 3.0 V
-
-
0.9
-
0.9
-
0.9
V
VCC = 5.5 V
-
-
1.65
-
1.65
-
1.65
V
VOH
HIGH-level
output voltage
VI = VIH or VIL
IO = −50 µA; VCC = 2.0 V
1.9
2.0
-
1.9
-
1.9
-
V
IO = −50 µA; VCC = 3.0 V
2.9
3.0
-
2.9
-
2.9
-
V
IO = −50 µA; VCC = 4.5 V
4.4
4.5
-
4.4
-
4.4
-
V
IO = −4.0 mA; VCC = 3.0 V
2.58
-
-
2.48
-
2.40
-
V
IO = −8.0 mA; VCC = 4.5 V
3.94
-
-
3.8
-
3.70
-
V
VOL
LOW-level
output voltage
VI = VIH or VIL
IO = 50 µA; VCC = 2.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 50 µA; VCC = 3.0 V
-
0
0.1
-
0.1
-
0.1
V
IO = 50 µA; VCC = 4.5 V
-
0
0.1
-
0.1
-
0.1
V
IO = 4.0 mA; VCC = 3.0 V
-
-
0.36
-
0.44
-
0.55
V
IO = 8.0 mA; VCC = 4.5 V
-
-
0.36
-
0.44
-
0.55
V
IOZ
OFF-state
output current
VI =VIH or VIL;
VO =VCC or GND;
VCC = 5.5 V
--
±0.25
-
±2.5
-
±10.0
µA
II
input leakage
current
VI = 5.5 V or GND;
VCC = 0 V to 5.5 V
-
-
0.1
-
1.0
-
2.0
µA
ICC
supply current VI =VCC or GND; IO = 0 A;
VCC = 5.5 V
-
-
4.0
-
40
-
80
µA
© Nexperia B.V. 2017. All rights reserved


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