74HCT244DB,112(2016) 查看數據表（PDF） - NXP Semiconductors.
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74HCT244DB,112 Datasheet PDF : 17 Pages
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Nexperia
74HC244; 74HCT244
Octal buffer/line driver; 3-state
Table 5. Recommended operating conditions …continued
Symbol
Parameter
Conditions
74HCT244
VCC
VI
VO
t/V
Tamb
supply voltage
input voltage
output voltage
input transition rise and fall rate VCC = 4.5 V
ambient temperature
9. Static characteristics
Min
Typ
Max Unit
4.5
5.0
5.5 V
0
-
VCC V
0
-
VCC V
-
1.67
139 ns/V
40
-
+125 C
Table 6. Static characteristics
At recommended operating conditions; 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
74HC244
VIH
HIGH-level VCC = 2.0 V
input voltage VCC = 4.5 V
1.5 1.2 -
1.5
-
3.15 2.4 - 3.15
-
1.5
3.15
-V
-V
VCC = 6.0 V
4.2 3.2 -
4.2
-
4.2
-V
VIL
LOW-level
VCC = 2.0 V
input voltage VCC = 4.5 V
- 0.8 0.5
-
0.5
-
0.5 V
- 2.1 1.35 -
1.35
-
1.35 V
VCC = 6.0 V
- 2.8 1.8
-
1.8
-
1.8 V
VOH
HIGH-level VI = VIH or VIL
output voltage IO = 20 A; VCC = 2.0 V
1.9 2.0 -
1.9
-
1.9
-V
IO = 20 A; VCC = 4.5 V
4.4 4.5 -
4.4
-
4.4
-V
IO = 20 A; VCC = 6.0 V
5.9 6.0 -
5.9
-
5.9
-V
IO = 6.0 mA; VCC = 4.5 V
3.98 4.32 -
3.84
-
3.7
-V
IO = 7.8 mA; VCC = 6.0 V
5.48 5.81 -
5.34
-
5.2
-V
VOL
LOW-level
VI = VIH or VIL
output voltage IO = 20 A; VCC = 2.0 V
- 0 0.1
-
0.1
-
0.1 V
IO = 20 A; VCC = 4.5 V
- 0 0.1
-
0.1
-
0.1 V
IO = 20 A; VCC = 6.0 V
- 0 0.1
-
0.1
-
0.1 V
IO = 6.0 mA; VCC = 4.5 V
- 0.15 0.26 -
0.33
-
0.4 V
IO = 7.8 mA; VCC = 6.0 V
- 0.16 0.26 -
0.33
-
0.4 V
II
input leakage VI = VCC or GND;
current
VCC = 6.0 V
- - 0.1 -
1.0
-
1.0 A
IOZ
OFF-state
VI = VIH or VIL; VCC = 6.0 V;
output current VO = VCC or GND
- - 0.5 -
5.0
-
10 A
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 6.0 V
- - 8.0
-
80
-
160 A
CI
input
capacitance
- 3.5 -
-
-
-
- pF
74HC_HCT244
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 5 — 26 February 2016
© Nexperia B.V. 2017. All rights reserved
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