CD4541BM96 is a CMOS programmable timer with RC timing, multi-divider and wide voltage for delay & pulse circuits
Specifications
Manufacturer:
TI
Product Number:
CD4541BM96
Description:
IC OSC PROG TIMER 100KHZ 14-SOIC
Highlight:
CMOS programmable timer with RC timing
,programmable timer with multi-divider
,wide voltage timer for delay circuits
Introduction
CD4541BM96 Programmable Timer
CD4541BM96 is a CMOS programmable timer with RC timing, multi-divider and wide voltage for delay & pulse circuits
Product Overview
General Description
The CD4541BM96 is a CMOS programmable timer/oscillator integrated circuit manufactured using high-voltage CMOS technology. It integrates an oscillator circuit, frequency divider, logic control unit, and output buffer on a single chip. The device generates accurate delayed timing signals via an external resistor-capacitor (RC) network, with a wide adjustable timing range from microseconds to hours.
Core Functions
- RC Oscillator Timing Base: An internal inverter forms an RC oscillator together with external R and C components. The oscillation frequency is determined by the resistance and capacitance values, laying the foundation for timing delay calculation.
- Programmable Divider Stage: Built-in binary frequency dividers with selectable division ratios (2⁸, 2¹⁰, 2¹³, 2¹⁶) controlled by two mode pins (A, B). Users can switch division multiples to expand the overall timing span without replacing large-value passive components.
- Auto/Manual Reset Control: Two reset modes are supported: power-on automatic reset that initializes timing upon power supply startup, and external manual reset triggered by a logic low signal to restart the timing cycle at any time.
- Output Logic Select Function: A dedicated output pin selects the output state after timing completion: either a constant high level or constant low level, adapting to different trigger circuit logic requirements.
- Wide Operating Voltage Range: Operates stably from 3 V to 18 V DC, compatible with most battery-powered and industrial low-voltage control systems.
Typical Applications
- Power-on delay control for household appliances (refrigerators, air conditioners, washing machines)
- Industrial equipment timing delay relays and intermittent pulse generators
- LED flash timing, warning lamp periodic blinking circuits
- Battery-powered portable device power delay cut-off protection
- Simple long-period timing alarm circuits
- Motor startup delay and automatic shutdown control circuits
- Low-frequency square wave signal generation for small analog circuits
Key Electrical Features
| Technology | Low power CMOS consumption, minimal static current loss |
| Noise Immunity | High noise immunity against electromagnetic interference |
| Temperature Range | Wide temperature operating range: -55 °C to +125 °C |
| Packaging | SMD packaging (SOIC-14) marked CD4541BM96 for surface-mount assembly |
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