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SN74HCT157DT датащи(PDF) 1 Page - Texas Instruments |
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SN74HCT157DT датащи(HTML) 1 Page - Texas Instruments |
1 / 13 page SN54HCT157, SN74HCT157 QUADRUPLE 2LINE TO 1LINE DATA SELECTORS/MULTIPLEXERS SCLS071D − NOVEMBER 1988 − REVISED OCTOBER 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 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 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 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 A/B 1A 1B 1Y 2A 2B 2Y GND VCC G 4A 4B 4Y 3A 3B 3Y SN54HCT157 ...J OR W PACKAGE SN74HCT157 ...D OR N PACKAGE (TOP VIEW) 32 1 20 19 910 11 12 13 4 5 6 7 8 18 17 16 15 14 4A 4B NC 4Y 3A 1B 1Y NC 2A 2B SN54HCT157 . . . FK PACKAGE (TOP VIEW) NC − No internal connection description/ordering information 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 Tube of 40 SN74HCT157D −40 °C to 85°C SOIC − D Reel of 2500 SN74HCT157DR HCT157 SOIC − D Reel of 250 SN74HCT157DT HCT157 CDIP − J Tube of 25 SNJ54HCT157J SNJ54HCT157J −55 °C to 125°C CFP − W Tube of 150 SNJ54HCT157W SNJ54HCT157W −55 C to 125 C LCCC − FK Tube of 55 SNJ54HCT157FK SNJ54HCT157FK † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. Copyright 2003, Texas Instruments Incorporated Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet. UNLESS OTHERWISE NOTED this document contains PRODUCTION DATA information current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. |
Аналогичный номер детали - SN74HCT157DT |
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Аналогичное описание - SN74HCT157DT |
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