CD4541B Datasheet PDF – Programmable Timer

Part Number : CD4541B

Function : CMOS Programmable Timer, High Voltage Types (20V Rating)

Manufacturers : Texas Instruments

Pinouts :
CD4541B datasheet

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.

Function Diagram


1. Low Symmetrical Output Resistance, Typically 100Ω at VDD = 15V
2. Built-In Low-Power RC Oscillator
3. Oscillator Frequency Range : DC to 100kHz
4. External Clock (Applied to Pin 3) can be Used Instead of Oscillator
5. Operates as 2N Frequency Divider or as a Single-Transition Timer
6. Q/Q Select Provides Output Logic Level Flexibility
7. AUTO or MASTER RESET Disables Oscillator During Reset to Reduce Power Dissipation
8. Operates With Very Slow Clock Rise and Fall Times

Other data sheets within the file : CD4541BE, CD4541BEE4, CD4541BF, CD4541BF3A

CD4541B Datasheet PDF Download

CD4541B pdf


FSM10 Datasheet PDF – Timer

Part Number : FSM10

Function : Timers – FRONT series

Manufacturers : Tele ( )


FSM10 datasheet

Description :

1. Front panel mounting
2. Width 45mm
3. 8 functions
4. 1 change over contact


1. ON delay (A)

When the supply voltage U is applied, the value of the time already expired is cleared and the set time t begins to run (display for time lapse flashes, counting runs either by adding or subtracting). After expiry of the time t, the output relay R picks up (OP display lights up) and the set time t (adding) or the value 0 (subtracting) is shown in the display. The status is maintained until the supply voltage is interrupted

FSM10 Datasheet PDF Download

FSM10 pdf

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