SN74HCT157

SN54HCT157, SN74HCT157 QUADRUPLE 2ĆLINE TO 1ĆLINE DATA SELECTORS/MULTIPLEXERS D Operating Voltage Range of 4.5 V to 5.5 V D High-Current Outputs Drive Up To 15 LSTTL Loads D Typical tpd = 15 ns D Low Power Consumption, 80-µA Max ICC SN54HCT157 . . . J OR W PACKAGE SN74HCT157 . . . D OR N PACKAGE (TOP VIEW) SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003 D ±6-mA Output Drive at 5 V D Low Input Current of 1 µA Max D Inputs Are TTL-Voltage Compatible D Buffered Inputs and Outputs SN54HCT157 . . . 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 These data selectors/multiplexers contain inverters and drivers to supply full data selection to the four output gates. A separate strobe (G) input is provided. A 4-bit word is selected from one of two sources and is routed to the four outputs. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − N Tube of 25 SN74HCT157N SN74HCT157N −40°C to 85°C SOIC − D Tube of 40 Reel of 2500 Reel of 250 SN74HCT157D SN74HCT157DR SN74HCT157DT HCT157 CDIP − J Tube of 25 SNJ54HCT157J SNJ54HCT157J −55°C to 125°C CFP − W Tube of 150 SNJ54HCT157W SNJ54HCT157W LCCC − FK Tube of 55 SNJ54HCT157FK SNJ54HCT157FK † Package drawings, standard packing ...