74F543 Datasheet, PDF (1/15 Pages) NXP Semiconductors – Octal registered transceiver, non-inverting 3-State

74F543
Octal latched transceiver with dual enable; 3-state
Rev. 04 — 26 January 2010
Product data sheet
1. General description
The 74F543 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 A outputs are guaranteed to sink 24 mA while the B
outputs are rated for 64 mA.
2. Features
I Combines 74F245 and 74F373 type functions in one device
I 8-bit octal transceiver with D-type latch
I Back-to-back registers for storage
I Separate controls for data flow in each direction
I A output capability: +20 mA to −3 mA
I B output capability: +64 mA to −15 mA
I 3-state outputs for bus-oriented applications
3. Ordering information
Table 1. Ordering information
Type number Package
Temperature range Name
N74F543D
0 °C to +70 °C
SO24
N74F543DB
0 °C to +70 °C
SSOP24
Description
plastic small outline package; 24 leads;
body width 7.5 mm
plastic shrink small outline package; 24 leads;
body width 5.3 mm
Version
SOT137-1
SOT340-1