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74LVC244ADB Datasheet(PDF) 1 Page - NXP Semiconductors

Part # 74LVC244ADB
Description  Octal buffer/line driver; 3-state
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

74LVC244ADB Datasheet(HTML) 1 Page - NXP Semiconductors

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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
I 5 V tolerant inputs/outputs for interfacing with 5 V logic
I Wide supply voltage range from 1.2 V to 3.6 V
I CMOS low-power consumption
I Direct interface with TTL levels
I Inputs accept voltages up to 5.5 V
I High-impedance when VCC = 0 V
I Bus hold on all data inputs (74LVCH244A only)
I Complies with JEDEC standard no. 8-1A
I ESD protection:
N HBM JESD22-A114E exceeds 2000 V
N MM JESD22-A115-A exceeds 200 V
I Specified from −40 °C to +85 °C and −40 °C to +125 °C
74LVC244A; 74LVCH244A
Octal buffer/line driver; 3-state
Rev. 06 — 13 August 2009
Product data sheet


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