Part # 74AC157 datasheet

Part Manufacturer: ST Microelectronics

ST Microelectronics

Part Description: Quad 2 channel multiplexer


Part Details:

74AC157 QUAD 2 CHANNEL MULTIPLEXER s HIGH SPEED: t PD = 4ns (TYP.) at VCC = 5V s LOW POWER DISSIPATION:ICC = 4µA(MAX.) at TA=25°C s HIGH NOISE IMMUNITY:VNIH = VNIL = 28 % VCC (MIN.) s 50 TRANSMISSION LINE DRIVING CAPABILITY DIP SOP TSSOP s SYMMETRICAL OUTPUT IMPEDANCE:|IOH| = IOL = 24mA (MIN) s BALANCED PROPAGATION DELAYS: ORDER CODES tPLH tPHL PACKAGE TUBE T & R s OPERATING VOLTAGE RANGE:V DIP 74AC157B CC (OPR) = 2V to 6V SOP 74AC157M 74AC157MTR s PIN AND FUNCTION COMPATIBLE WITH 74 SERIES 157 TSSOP 74AC157TTR s IMPROVED LATCH-UP IMMUNITY input is held high selection of data is inhibit and all DESCRIPTION the outputs become low. The SELECT decoding The 74AC157 is an advanced high-speed CMOS determines whether the A or B inputs get routed to QUAD 2-CHANNEL MULTIPLEXER fabricated their corresponding Y outputs. with sub-micron silicon gate and double-layer All inputs and outputs are equipped with metal wiring C2MOS tecnology. protection circuits against static discharge, giving It consists of four 2-input digital multiplexer with them 2KV ESD immunity and transient excess common SELECT and STROBE inputs. It is a voltage. non-inverting multiplexer. When the STROBE PIN CONNECTION AND IEC LOGIC SYMBOLS


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74AC157.pdf Datasheet