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74LVC244A Datasheet Preview

74LVC244A Datasheet

Octal buffer/line driver

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74LVC244A; 74LVCH244A
Octal buffer/line driver; 3-state
Rev. 9 — 13 August 2018
Product data sheet
1. General description
The 74LVC244A; 74LVCH244A is an octal non-inverting buffer/line driver with 3-state outputs.
The 3-state outputs are controlled by the output enable inputs 1OE and 2OE. A HIGH on nOE
causes the outputs to assume a high-impedance OFF-state. Schmitt-trigger action at all inputs
makes the circuit highly tolerant for slower input rise and fall times.
Inputs can be driven from either 3.3 V or 5.0 V devices. In 3-state operation, outputs can handle
5 V. These features allow the use of these devices as translators in a mixed 3.3 V and 5 V
environment.
The 74LVCH244A bus hold on data inputs eliminates the need for external pull-up resistors to hold
unused inputs.
2. Features and benefits
5 V tolerant inputs/outputs for interfacing with 5 V logic
Wide supply voltage range from 1.2 V to 3.6 V
CMOS low-power consumption
Direct interface with TTL levels
Inputs accept voltages up to 5.5 V
High-impedance when VCC = 0 V
Bus hold on all data inputs (74LVCH244A only)
Complies with JEDEC standard:
JESD8-7A (1.65 V to 1.95 V)
JESD8-5A (2.3 V to 2.7 V)
JESD8-C/JESD36 (2.7 V to 3.6 V)
ESD protection:
HBM JESD22-A114F exceeds 2000 V
MM JESD22-A115B exceeds 200 V
CDM JESD22-C101E exceeds 1000 V
Specified from -40 °C to +85 °C and -40 °C to +125 °C




nexperia

74LVC244A Datasheet Preview

74LVC244A Datasheet

Octal buffer/line driver

No Preview Available !

Nexperia
74LVC244A; 74LVCH244A
Octal buffer/line driver; 3-state
3. Ordering information
Table 1. Ordering information
Type number
Package
Temperature range
74LVC244AD
-40 °C to +125 °C
74LVCH244AD
74LVC244ADB
-40 °C to +125 °C
74LVCH244ADB
74LVC244APW
-40 °C to +125 °C
74LVCH244APW
74LVC244ABQ
-40 °C to +125 °C
74LVCH244ABQ
Name
SO20
Description
plastic small outline package; 20 leads;
body width 7.5 mm
Version
SOT163-1
SSOP20
plastic shrink small outline package; 20 leads;
body width 5.3 mm
SOT339-1
TSSOP20 plastic thin shrink small outline package; 20 leads; SOT360-1
body width 4.4 mm
DHVQFN20 plastic dual in-line compatible thermal
enhanced very thin quad flat package; no leads;
20 terminals; body 2.5 × 4.5 × 0.85 mm
SOT764-1
4. Functional diagram
1 EN
2
4
6
8
18
16
14
12
19 EN
11
13
15
17
mna873
Fig. 1. IEC logic diagram
9
7
5
3
1A0
2
1A1
4
1A2
6
8 1A3
1 1OE
2A0
17
2A1
15
2A2
13
11 2A3
19 2OE
Fig. 2. Functional diagram
1Y0
18
1Y1
16
1Y2
14
1Y3
12
2Y0
3
2Y1
5
2Y2
7
2Y3
9
mna875
74LVC_LVCH244A
Product data sheet
All information provided in this document is subject to legal disclaimers.
Rev. 9 — 13 August 2018
© Nexperia B.V. 2018. All rights reserved
2 / 16


Part Number 74LVC244A
Description Octal buffer/line driver
Maker nexperia
Total Page 16 Pages
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