Texas Instruments 54HC257
The 3-state outputs do not load the data lines when the output-enable (G) input is at a high logic level.| Part No. | 54HC257 |
|---|---|
| Datasheet | 54HC257 Download |
| Manufacturer |  Texas Instruments |
| Description | QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS |
| Buy | Stock & Price |
SN54HC257, SN54HC258, SN74HC257, SN74HC258 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS WITH 3ĆSTATE OUTPUTS SCLS224B − DECEMBER 1982 − REVISED SEPTEMBER 2003 D Wide Operating Voltage Range of 2 V to 6 V D High-Current Inverting Outputs Drive Up To 15 LSTTL Loads D Low Power Consumption, 80-µA Max ICC D ’HC257 . . . Typical tpd = 9 ns D ’HC258 . . . Typical tpd = 12 ns D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Provides Bus Interface from Multiple Sources in High-Performance Systems SN54HC257, SN54HC258 . . . J PACKAGE SN74HC257, SN74HC258 . . . D, N, NS, OR PW PACKAGE (TOP VIEW) SN54HC257, SN54HC258 . . . FK PACKAGE (TOP VIEW) VCC G NC A/B 1A A/B 1 1A 2 1B 3 1Y 4 2A 5 2B 6 2Y 7 GND 8 16 VCC 15 G 14 4A 13 4B 12 4Y 11 3A 10 3B 9 3Y 1B 3 2 1 20 19 4 18 4A 1Y 5 17 4B NC 6 16 NC 2A 7 15 4Y 2B 8 14 3A 9 10 11 12 13 3B 3Y NC GND 2Y description/ordering information NC − No internal connection ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING...
