74AHCT244-Q100 查看數據表（PDF） - NXP Semiconductors.
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74AHCT244-Q100 Datasheet PDF : 17 Pages
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Nexperia
74AHC244-Q100; 74AHCT244-Q100
Octal buffer/line driver; 3-state
8. Recommended operating conditions
Table 5. Recommended operating conditions
Voltages are referenced to GND (ground = 0 V).
Symbol Parameter
Conditions
VCC
VI
VO
Tamb
t/V
supply voltage
input voltage
output voltage
ambient temperature
input transition rise
and fall rate
VCC = 3.3 V 0.3 V
VCC = 5.0 V 0.5 V
9. Static characteristics
74AHC244-Q100
Min Typ Max
2.0
5.0
5.5
0
-
5.5
0
-
VCC
40 +25 +125
-
-
100
-
-
20
74AHCT244-Q100
Min Typ Max
4.5
5.0
5.5
0
-
5.5
0
-
VCC
40 +25 +125
-
-
-
-
-
20
Unit
V
V
V
C
ns/V
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
74AHC244-Q100
VIH
HIGH-level VCC = 2.0 V
input voltage VCC = 3.0 V
1.5 -
-
1.5
-
1.5
-
V
2.1 -
-
2.1
-
2.1
-
V
VCC = 5.5 V
3.85 -
- 3.85
-
3.85
-
V
VIL
LOW-level VCC = 2.0 V
input voltage VCC = 3.0 V
-
- 0.5
-
0.5
-
0.5 V
-
- 0.9
-
0.9
-
0.9 V
VCC = 5.5 V
-
- 1.65 -
1.65
-
1.65 V
VOH
HIGH-level VI = VIH or VIL
output voltage IO = 50 A; VCC = 2.0 V
1.9 2.0
-
1.9
-
1.9
-
V
IO = 50 A; VCC = 3.0 V 2.9 3.0 -
2.9
-
2.9
-
V
IO = 50 A; 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
VI = VIH or VIL
output voltage IO = 50 A; VCC = 2.0 V
-
0 0.1
-
0.1
-
0.1 V
IO = 50 A; VCC = 3.0 V
-
0 0.1
-
0.1
-
0.1 V
IO = 50 A; 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
VI = VIH or VIL;
output current VO = VCC or GND;
VCC = 5.5 V
-
- 0.25 -
2.5
-
10.0 A
II
input leakage VI = 5.5 V or GND;
current
VCC = 0 V to 5.5 V
-
- 0.1
-
1.0
-
2.0 A
ICC
supply current VI = VCC or GND; IO = 0 A;
-
- 4.0
-
40
-
80 A
VCC = 5.5 V
74AHC_AHCT244_Q100
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 9 July 2012
© Nexperia B.V. 2017. All rights reserved
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