器件名称:
CD54AC157_07
功能描述:
QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS
文件大小:
480.13KB 共13页
简 介:
CD54AC157, CD74AC157 QUADRUPLE 2-LINE TO 1-LINE DATA SELECTORS/MULTIPLEXERS SCHS335 – MARCH 2003 D D D D D D AC Types Feature 1.5-V to 5.5-V Operation and Balanced Noise Immunity at 30% of the Supply Voltage Speed of Bipolar F, AS, and S, With Significantly Reduced Power Consumption Balanced Propagation Delays ±24-mA Output Drive Current – Fanout to 15 F Devices SCR-Latchup-Resistant CMOS Process and Circuit Design Exceeds 2-kV ESD Protection Per MIL-STD-883, Method 3015 CD54AC157 . . . F PACKAGE CD74AC157 . . . E OR M PACKAGE (TOP VIEW) A /B 1A 1B 1Y 2A 2B 2Y GND 1 2 3 4 5 6 7 8 16 15 14 13 12 11 10 9 VCC G 4A 4B 4Y 3A 3B 3Y description/ordering information These quadruple 2-line to 1-line data selectors/multiplexers are designed for 1.5-V to 5.5-V VCC operation. The ’AC157 devices feature 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 devices provide true data. ORDERING INFORMATION TA PDIP – E 55°C to 125°C –55 SOIC – M PACKAGE Tube Tube Tape and reel ORDERABLE PART NUMBER CD74AC157E CD74AC157M CD74AC157M96 TOP-SIDE MARKING CD74AC157E AC157M CDIP – F Tube CD54AC157F3A CD54AC157F3A Package drawings, standard packing quantities, thermal data, symbolization, and PCB design guidelines are available at www.ti.com/sc/package. FUNCTION TABLE INPUTS G H L L L L A/B X L L H H A X L H X X B X X X L H OUTPUT Y L L H L H Please be aware th……
