CD4021BQ - Texas Instruments

CD4021BQ CMOS 8-Stage Static Shift Register

of 'B' Series CMOS Devices" • Latch-Up Performance Meets 50 mA per JESD 78, Class I APPLICATIONS • Parallel Input/Serial Output Data Queuing • Parallel-to-Serial Data Conversion • General-Purpose Register D PACKAGE (TOP VIEW) DESCRIPTION CD4021B series types are 8-stage parallel- or serial-input/serial output registers having common CLOCK and PARALLEL/SERIA.

Features

1
• Qualified for Automotive Applications
• Medium-Speed Operation: 12-MHz (Typ) Clock Rate at VDD
  – VSS = 10 V
• Fully Static Operation
• Eight Master-Slave Flip-Flops Plus Output Buffering and Control Gating
• 100% Tested for Quiescent Current at 20 V
• Maximum Input Current of 1 µA at 18 V Over Full Package-Temperature Range: 100 nA at 18 V and 25°C
• Noise Margin (Full Package-Temperature Range):
  – 1 V at VDD = 5 V
  – 2 V at VDD = 10 V
  – 2.5 V at VDD = 15 V
• Standardized Symmetrical Output Characteristics
• 5-V, 10-V, and 15-V Parametric Ratings
• Meets All Requirements of JEDEC Tentative.