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74ABT544PW,118

Octal latched transceiver with dual enable; 3-state

NXP Semiconductors. 

74ABT544

Octal latched transceiver with dual enable; 3-state

Rev. 6 — 3 November 2011

Product data sheet

1. General description

The 74ABT544 high performance BiCMOS device combines low static and dynamic

power dissipation with high speed and high output drive.

The 74ABT544 octal latched transceiver contains two sets of D-type latches for temporary

storage of data flowing in either direction. Separate latch enable (LEAB, LEBA) and output

enable (OEAB, OEBA) inputs are provided for each register to permit independent control

of data transfer in either direction. The outputs are guaranteed to sink 64 mA.

2. Features and benefits

 Combines 74ABT640 and 74ABT373 type functions in one device

 8-bit octal transceiver with D-type latch

 Back-to-back registers for storage

 Separate controls for data flow in each direction

 Live insertion and extraction permitted

 Output capability: +64 mA to 32 mA

 Power-up 3-state

 Power-up reset

 Latch-up protection exceeds 500 mA per JESD78B class II level A

 ESD protection:

 HBM JESD22-A114F exceeds 2000 V

 MM JESD22-A115-A exceeds 200 V

3. Ordering information

Table 1. Ordering information

Type number Package

Temperature range Name

Description

74ABT544D

40 C to +85 C SO24

plastic small outline package; 24 leads;

body width 7.5 mm

74ABT544DB 40 C to +85 C

SSOP24 plastic shrink small outline package; 24 leads;

body width 5.3 mm

74ABT544PW 40 C to +85 C

TSSOP24 plastic thin shrink small outline package; 24 leads;

body width 4.4 mm

Version

SOT137-1

SOT340-1

SOT355-1

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