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74ABT244D Datasheet Preview

74ABT244D Datasheet

Octal buffer/line driver

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74ABT244
Octal buffer/line driver; 3-state
Rev. 4 — 8 July 2021
Product data sheet
1. General description
The 74ABT244 is an 8-bit buffer/line driver with 3-state outputs. The device can be used as
two 4-bit buffers or one 8-bit buffer. The device features two output enables (1OE and 2OE),
each controlling four of the 3-state outputs. A HIGH on nOE causes the outputs to assume a
high-impedance OFF-state. This device is fully specified for partial power down applications using
IOFF. The IOFF circuitry disables the output, preventing the potentially damaging backflow current
through the device when it is powered down.
2. Features and benefits
Supply voltage range from 4.5 to 5.5 V
Octal bus interface
3-State buffers
BiCMOS high speed and output drive
Output capability: +64 mA/–32 mA
Direct interface with TTL levels
Power-up 3-State
Live insertion capability
IOFF circuitry provides partial Power-down mode operation
Latch-up protection exceeds 500 mA per JESD78 class II level A
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115-A exceeds 200 V
Specified from -40 °C to +85 °C
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range Name
74ABT244D
-40 °C to +85 °C
SO20
74ABT244PW
-40 °C to +85 °C
TSSOP20
Description
plastic small outline package; 20 leads;
body width 7.5 mm
plastic thin shrink small outline package; 20 leads;
body width 4.4 mm
Version
SOT163-1
SOT360-1




nexperia

74ABT244D Datasheet Preview

74ABT244D Datasheet

Octal buffer/line driver

No Preview Available !

Nexperia
4. Functional diagram
1A0
2
1A1
4
1A2
6
1A3
8
1OE
1
2A0
17
2A1
15
2A2
13
2A3
11
19 2OE
Fig. 1. Logic symbol
1Y0
18
1Y1
16
1Y2
14
1Y3
12
2Y0
3
2Y1
5
2Y2
7
2Y3
9
mna875
2
1A0
4
1A1
6
1A2
1A3 8
1OE 1
Fig. 3. Functional diagram
74ABT244
Octal buffer/line driver; 3-state
1 EN
2
18
4
16
6
14
8
12
19 EN
11
9
13
7
15
5
17
3
Fig. 2. IEC logic symbol
18 1Y0
17
2A0
3 2Y0
mna873
16 1Y1
15
2A1
5 2Y1
14
1Y2
13
2A2
7
2Y2
12 1Y3 2A3 11
2OE 19
9 2Y3
mna874
74ABT244
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 4 — 8 July 2021
© Nexperia B.V. 2021. All rights reserved
2 / 13


Part Number 74ABT244D
Description Octal buffer/line driver
Maker nexperia
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74ABT244D Datasheet PDF






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