MC14021B 8-Bit Static Shift Register SOIC-16

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MC14021B 8−bit static shift registers are constructed with MOS P−channel and N−channel enhancement mode devices in a single monolithic structure. These shift registers find primary use in parallel−to−serial data conversion, synchronous and asynchronous parallel input, serial output data queueing; and other general-purpose register applications requiring low power and/or high noise immunity.


  • Asynchronous Parallel Input/Serial Output (MC14021B)
  • Synchronous Serial Input/Serial Output
  • Fully Static Operation
  • “Q” Outputs from Sixth, Seventh, and Eighth Stages
  • Double Diode Input Protection
  • Supply Voltage Range = 3.0 Vdc to 18 Vdc
  • Capable of Driving Two Low−power TTL Loads or One Low−power
  • Schottky TTL Load Over the Rated Temperature Range
  • MC14021B Pin−for−Pin Replacement for CD4021B
  • NLV Prefix for Automotive and Other Applications Requiring
  • Unique Site and Control Change Requirements; AEC−Q100 Qualified and PPAP Capable
  • This Device is Pb−Free and is RoHS Compliant



DC Supply Voltage Range -0.5V to 18V
Input or Output Voltage Range -0.5 to Vdd+0.5V
Input or Output Current per Pin ±10mA
Power Dissipation 500mW
Package SOIC-16
Mounting SMD

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