SN74HC251
Features
- 3-state version of ’HC151
- Wide operating voltage range of 2 V to 6 V
- High-current 3-state outputs interface directly with system bus or can drive up to 15 LSTTL loads
- Low power consumption, 80-μA max ICC
- Typical tpd = 9 ns
- ±6-m A output drive at 5 V
- Low input current of 1 μA max
- Perform parallel-to-serial conversion
- plementary outputs provide true and inverted data
2 Description
The SNx4HC251 is a data selector/multiplexer containing full binary decoding to select 1of-8 data sources and features strobe-controlled plementary 3-state outputs.
PART NUMBER SN74HC251D SN74HC251DB SN74HC251N SN74HC251NS SN74HC251PW SN54HC251J SNJ54HC251FK
Device Information
PACKAGE(1) BODY SIZE (NOM)
SOIC (16) 9.90 mm × 3.90 mm
SSOP (16) 6.20 mm × 5.30 mm
PDIP (16)
19.31 mm × 6.35 mm
SO (16)
6.20 mm × 5.30 mm
TSSOP (16) 5.00 mm × 4.40 mm
CDIP (16)
24.38 mm × 6.92 mm
LCCC (20) 8.89 mm × 8.45 mm
(1) For all available packages, see the orderable addendum at the end of...
