74AHCT244-Q100 Datasheet PDF - NXP Semiconductors
| Part Number | 74AHCT244-Q100 | |
| Description | Octal buffer/line driver | |
| Manufacturers | NXP Semiconductors | |
| Logo |  |
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74AHC244-Q100;
74AHCT244-Q100
Octal buffer/line driver; 3-state
Rev. 1 — 9 July 2012
Product data sheet
1. General description
The 74AHC244-Q100; 74AHCT244-Q100 is a high-speed Si-gate CMOS device.
The 74AHC244-Q100; 74AHCT244-Q100 has octal non-inverting buffer/line drivers with
3-state outputs. The 3-state outputs are controlled by the output enable inputs (nOE). A
HIGH on nOE causes the outputs to assume a high-impedance OFF-state.
This product has been qualified to the Automotive Electronics Council (AEC) standard
Q100 (Grade 1) and is suitable for use in automotive applications.
2. Features and benefits
Automotive product qualification in accordance with AEC-Q100 (Grade 1)
Specified from 40 C to +85 C and from 40 C to +125 C
Balanced propagation delays
All inputs have a Schmitt trigger action
Inputs accept voltages higher than VCC
For 74AHC244-Q100 only: operates with CMOS input levels
For 74AHCT244-Q100 only: operates with TTL input levels
ESD protection:
MIL-STD-883, method 3015 exceeds 2000 V
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V (C = 200 pf, R = 0 )
Multiple package options
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NXP Semiconductors
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
© NXP B.V. 2012. All rights reserved.
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