SN54HC257

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 PDIP − N Tube of 25 SN74HC257N SN74HC258N SN74HC257N SN74HC258N Tube of 40 SN74HC257D Reel of 2500 SN74HC257DR HC257 SOIC − D Reel of 250 SN74HC257DT Tube of 40 Reel of 2500 SN74HC258D SN74HC258DR HC258 −40°C to 85°C SOP − NS Reel of 2000 SN74HC257NSR SN74HC258NSR HC257 HC258 Tube of 90 SN74HC257PW Reel of 2000 SN74HC257PWR HC257 TSSOP − PW Reel of 250 Tube of 90 SN74HC257PWT SN74HC258PW Reel of 2000 SN74HC258PWR HC258 Reel of 250...