MC74HC4538ANG ON Semiconductor

MC74HC4538A Dual Precision Monostable Multivibrator (Retriggerable, Resettable) The MC74HC4538A is identical in pinout to the MC14538B. The device inputs are compatible with standard CMOS outputs with MC74HC4538A FUNCTION TABLE GND 1 16 V CC C 1/R 1 2 15 GND Inputs Outputs X X Reset A B Q Q RESET 1 3 14 C 2/R 2 X X A1 4 13 RESET 2 HH HL B1 5 12 A2 H X L Not Triggered Q1 6 11 B2 H H X Not Triggered Q1 7 10 Q2 H L,H, H Not Triggered GND 8 9 Q2 H L L,H, Not Triggered LX X L H X X Not Triggered Figure 1. Pin Assignment C1R 1 X X V CC 12 PIN 16 = V CC PIN 8 = GND 6 4 Q1 A1 R AND C ARE EXTERNAL COMPONENTS TRIGGER X X 5 7 PIN 1 AND PIN 15 MUST BE HARD WIRED TO GND INPUTS B1 Q1 3 RESET 1 C2R 2 X X V CC 15 14 10 12 Q2 A2 TRIGGER 11 9 INPUTS B2 Q2 13 RESET 2 Figure 2. Logic Diagram ORDERING INFORMATION Device Package Shipping MC74HC4538ANG PDIP16 500 Units / Rail (Pb Free) MC74HC4538ADG SOIC16 48 Units / Rail (Pb Free) MC74HC4538ADR2G SOIC16 2500 / Tape & Reel (Pb Free) MC74HC4538ADTR2G TSSOP16 2500 / Tape & Reel (Pb Free) NLV74HC4538ADR2G* SOIC16 2500 / Tape & Reel (Pb Free) NLVHC4538ADTR2G* TSSOP16 2500 / Tape & Reel (Pb Free) For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging Specifications Brochure, BRD8011/D. *NLV Prefix for Automotive and Other Applications Requiring Unique Site and Control Change Requirements AECQ100 Qualified and PPAP Capable