Texas Instruments 54HC251
The SNx4HC251 is a data selector/multiplexer containing full binary decoding to select 1of-8 data sources and features strobe-controlled complementary 3-state outputs.| Part No. | 54HC251 |
|---|---|
| Datasheet | 54HC251 Download |
| Manufacturer |  Texas Instruments |
| Description | Data Selectors/Multiplexers |
| Buy | Stock & Price |
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-mA output drive at 5 V
● Low input current of 1 μA max
● Perform parallel-to-serial conversion
● Complementary outputs provide true and inverted data 2
DESCRIPTION
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 the data sheet. Pin numbers shown are for the D, DB, J, N, NS, PW, and W packages. Functional Block Diagram An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications, intellectual property matters and other important disclaimers.
