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74HC244 Datasheet, PDF (5/18 Pages) NXP Semiconductors – Octal buffer/line driver; 3-state | |||
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NXP Semiconductors
74HC244; 74HCT244
Octal buffer/line driver; 3-state
Table 5. Recommended operating conditions â¦continued
Symbol
Parameter
Conditions
74HCT244
VCC
VI
VO
ït/ïV
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
ï40
-
+125
ï°C
Table 6. Static characteristics
At recommended operating conditions; voltages are referenced to GND (ground = 0 V).
Symbol Parameter Conditions
25 ï°C
ï40 ï°C to +85 ï°C ï40 ï°C to +125 ï°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 = ï20 ïA; VCC = 2.0 V
1.9 2.0 -
1.9
-
1.9
-V
IO = ï20 ïA; VCC = 4.5 V
4.4 4.5 -
4.4
-
4.4
-V
IO = ï20 ïA; VCC = 6.0 V
5.9 6.0 -
5.9
-
5.9
-V
IO = ï6.0 mA; VCC = 4.5 V
3.98 4.32 -
3.84
-
3.7
-V
IO = ï7.8 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 ïA; VCC = 2.0 V
- 0 0.1
-
0.1
-
0.1 V
IO = 20 ïA; VCC = 4.5 V
- 0 0.1
-
0.1
-
0.1 V
IO = 20 ïA; 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
- - ï±0.1 -
ï±1.0
-
ï±1.0 ïA
IOZ
OFF-state
per input pin; VI = VIH or VIL;
output current VO = VCC or GND;
other inputs at VCC or GND;
VCC = 6.0 V; IO = 0 A
- - ï±0.5 -
ï±5.0
-
ï±10 ïA
ICC
supply current VI = VCC or GND; IO = 0 A;
VCC = 6.0 V
- - 8.0
-
80
-
160 ïA
CI
input
capacitance
- 3.5 -
-
-
-
- pF
74HC_HCT244
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 â 24 September 2012
© NXP B.V. 2012. All rights reserved.
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