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CD74ACT157PW 데이터시트(PDF) 1 Page - Texas Instruments |
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CD74ACT157PW 데이터시트(HTML) 1 Page - Texas Instruments |
1 / 23 page CD74ACT157 QUADRUPLE 2LINE TO 1LINE DATA SELECTOR/MULTIPLEXER SCHS340B − MARCH 2003 - REVISED JUNE 2003 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 D Inputs Are TTL-Voltage Compatible D Speed of Bipolar F, AS, and S, With Significantly Reduced Power Consumption D Balanced Propagation Delays D ±24-mA Output Drive Current − Fanout to 15 F Devices D SCR-Latchup-Resistant CMOS Process and Circuit Design D Exceeds 2-kV ESD Protection Per MIL-STD-883, Method 3015 description/ordering information This quadruple 2-line to 1-line data selector/multiplexer is designed for 4.5-V to 5.5-V VCC operation. The CD74ACT157 features a common strobe (G) input. When the strobe is high, all outputs are low. When the strobe is low, a 4-bit word is selected from one of two sources and is routed to the four outputs. The device provides true data. ORDERING INFORMATION TA PACKAGE† ORDERABLE PART NUMBER TOP-SIDE MARKING PDIP − E Tube CD74ACT157E CD74ACT157E SOIC − M Tube CD74ACT157M ACT157M −55 °C to 125°C SOIC − M Tape and reel CD74ACT157M96 ACT157M −55 C to 125 C TSSOP − PW Tube CD74ACT157PW HM157 TSSOP − PW Tape and reel CD74ACT157PWR HM157 † Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE INPUTS OUTPUT G A/B A B OUTPUT Y H X X X L L LL X L L LH X H L HX L L L H X H H Copyright 2003, Texas Instruments Incorporated PRODUCTION DATA information is 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. 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. 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 E, M, OR PW PACKAGE (TOP VIEW) |
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