Overview
The ICM7555ID,602, produced by NXP USA Inc., is a CMOS timer that offers significantly improved performance over the standard NE/SE555 timer. It is designed to be a direct replacement for these devices in most applications, while providing enhanced features such as low supply current, a wide operating supply voltage range, and higher frequency performance. This timer is capable of operating in both astable and monostable modes, making it versatile for various timing and pulse generation needs.
Key Specifications
| Parameter | Value |
|---|---|
| Operating Supply Voltage Range | 2 V to 18 V |
| Supply Current | Typical 80 μA at VDD = 5 V |
| Threshold, Trigger, and Reset Currents | Low currents, typically in the range of nanoamperes |
| Output Drive Capability | High output source/sink driver, can drive TTL/CMOS loads |
| Temperature Stability | Typical 0.005 % / °C at 25 °C |
| Output Type | Rail-to-rail outputs |
| Operating Temperature Range | -55 °C to +125 °C |
| Package Type | DIP-8, SO-8, TSSOP-8 |
Key Features
- Low supply current and low threshold, trigger, and reset currents.
- No crowbarring of the supply current during output transitions.
- Higher frequency performance and no requirement to decouple the CONTROL_VOLTAGE for stable operation.
- Adjustable duty cycle and pulse width modulation capabilities.
- High output source/sink driver capable of driving TTL/CMOS loads.
- Rail-to-rail outputs and typical temperature stability of 0.005 % / °C at 25 °C.
Applications
- Precision timing and pulse generation.
- Sequential timing and time delay generation.
- Pulse width modulation and pulse position modulation.
- Missing pulse detection.
- General-purpose timing in various electronic circuits.
Q & A
- What is the ICM7555ID,602? The ICM7555ID,602 is a CMOS timer produced by NXP USA Inc., designed as a direct replacement for the NE/SE555 timer with improved performance.
- What are the operating supply voltage ranges for the ICM7555ID,602? The operating supply voltage range is from 2 V to 18 V.
- What are the key improvements over the NE/SE555 timer? Key improvements include low supply current, low threshold, trigger, and reset currents, higher frequency performance, and no requirement to decouple the CONTROL_VOLTAGE for stable operation.
- Can the ICM7555ID,602 operate in both astable and monostable modes? Yes, the ICM7555ID,602 can operate in both astable and monostable modes.
- What is the typical temperature stability of the ICM7555ID,602? The typical temperature stability is 0.005 % / °C at 25 °C.
- What types of loads can the output driver of the ICM7555ID,602 handle? The output driver can handle TTL/CMOS loads.
- What are some common applications of the ICM7555ID,602? Common applications include precision timing, pulse generation, sequential timing, time delay generation, and pulse width modulation.
- How does the CONTROL_VOLTAGE terminal function in the ICM7555ID,602? The CONTROL_VOLTAGE terminal allows for the control of the trip voltages for the internal comparators, enabling frequency modulation in astable mode or inhibition of oscillation.
- What is the reset voltage for the ICM7555ID,602? The reset voltage is essentially the same as the standard NE/SE555 device, ranging from 0.6 V to 0.7 V.
- What are the package types available for the ICM7555ID,602? The ICM7555ID,602 is available in DIP-8, SO-8, and TSSOP-8 packages.
