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CD4541B Datasheet CMOS Programmable Timer

Manufacturer: Texas Instruments

Overview: CD4541B Data sheet acquired from Harris Semiconductor SCHS085E – Revised September 2003 CMOS Programmable Timer High Voltage Types (20V Rating) [ /Title (CD45 41B) /Subject (CMO S Programmable Timer High Voltage Types.

General Description

of ‘B’ Series CMOS Devices” Description CD4541B programmable timer consists of a 16-stage binary counter, an oscillator that is controlled by external R-C components (2 resistors and a capacitor), an automatic power-on reset circuit, and output control logic.

The counter increments on positive-edge clock transitions and can also be reset via the MASTER RESET input.

Pinout CD4541B (CERDIP, PDIP, SOIC, SOP, TSSOP) TOP VIEW RTC 1 CTC 2 RS 3 NC 4 AUTO RESET 5 MASTER RESET 6 VSS 7 14 VDD 13 B 12 A 11 NC 10 MODE 9 Q/Q SELECT 8 OUTPUT The output from this timer is the Q or Q output from the 8th, 10th, 13th, or 16th counter stage.

Key Features

  • Low Symmetrical Output Resistance, Typically 100Ω at VDD = 15V.
  • Built-In Low-Power RC Oscillator.
  • Oscillator Frequency Range.
  • DC to 100kHz.
  • External Clock (Applied to Pin 3) can be Used Instead of Oscillator.
  • Operates as 2N Frequency Divider or as a SingleTransition Timer.
  • Q/Q Select Provides Output Logic Level Flexibility.
  • AUTO or MASTER RESET Disables Oscillator During Reset to Reduce Power Dissipation.
  • O.

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CD4541B Distributor