CD4503BMS is a hex noninverting buffer with 3 state outputs that have high sink and source current capability. Two disable controls are provided, one of which controls four buffers and the other controls the remaining two buffers. The CD4503BMS is supplied in these 16-lead outline packages: Braze Seal DIP H4T, Frit Seal DIP H1E, Ceramic Flatpack H6W.


  • High-voltage type (20V rating)
  • 3-state non-inverting type
  • 1 TTL load output drive capability
  • 2 output disable controls
  • 3 state outputs
  • Pin compatible with industry types MM80C97, MC14503 and 340097
  • 5V, 10V and 15V parametric ratings
  • Maximum input current of 1µA at 18V over full package temperature range; 100nA at 18V and +25 °C
  • Meets all requirements of JEDEC tentative standard No. 13B, "Standard Specifications for Description of 'B' Series CMOS Devices"


  • 3 state hex buffer for interfacing ICs with data buses
  • COS/MOS to TTL hex buffer

Product Options

Part Number Part Status Pkg. Type Carrier Type DLA SMD Buy Sample
Active SBDIP Tube 5962R9664301VEC
Active CFP Tray 5962R9664301VXC

Documentation & Downloads

Title Other Languages Type Format File Size Date
Datasheets & Errata
CD4503BMS Datasheet Datasheet PDF 309 KB
Application Notes & White Papers
Wafer by Wafer Low Dose Rate Acceptance White Paper White Paper PDF 533 KB
AN9867: End of Life Derating: A Necessity or Overkill Application Note PDF 338 KB
AN9654: Use of Life Tested Parts Application Note PDF 224 KB
PCN10123 - Alternate Die Attach Material for Assembly of Intersil Hermetic Packaged Products - Intersil Palm Bay, FL. (ISP) Product Change Notice PDF 230 KB
Intersil Space Products Brochure Brochure PDF 3.14 MB
PIN19011 - Price Increase for the Listed Renesas Electronics America (REA) Radiation Hardened Space Products Price Increase Notice PDF 360 KB
Standard Microcircuit Drawing 5962-96643 (CD4503BMS) Other 0 KB
PLC15033 - Product Discontinuance / Obsolescence NotificationProducts Product Life Cycle Notice PDF 200 KB
Intersil Commercial Lab Services Brochure PDF 364 KB
PA11003 - Packing Method Change for Intersil TO-xx Metal Can and Flat Pack Packaged Products Product Advisory PDF 499 KB

News & Additional Resources