Overview
The ICM7555ID/01,112, produced by NXP USA Inc., is a general-purpose 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 characteristics such as low supply current, a wide operating supply voltage range, and higher frequency performance. This timer is capable of producing accurate time delays or frequencies and operates in both astable and monostable modes.
Key Specifications
| Parameter | Description |
|---|---|
| Supply Voltage Range | 2 V to 18 V |
| Supply Current | Typically 80 μA at 5 V, 120 μA at 10 V, and 160 μA at 15 V |
| Operating Temperature Range | -55 °C to +125 °C |
| Output Drive Capability | Can drive TTL/CMOS loads; at least 2 standard TTL loads at VDD ≥ 4.5 V |
| Frequency Range | Up to 500 kHz |
| Package Type | 8-SOIC (0.154, 3.90mm Width) |
| Temperature Stability | Typical temperature stability of 0.005 % / °C at 25 °C |
| Output Type | Rail-to-rail outputs |
Key Features
- Low supply current and wide operating supply voltage range.
- No crowbarring of the supply current during output transitions.
- Higher frequency performance and no requirement to decouple CONTROL_VOLTAGE for stable operation.
- Operates in both astable and monostable modes with adjustable duty cycle.
- High output source/sink driver capable of driving TTL/CMOS loads.
- Rail-to-rail outputs and high temperature stability.
Applications
- Precision timing and pulse generation.
- Sequential timing and time delay generation.
- Pulse width modulation and pulse position modulation.
- Missing pulse detector applications.
Q & A
- What is the ICM7555ID/01,112?
The ICM7555ID/01,112 is a general-purpose CMOS timer produced by NXP USA Inc., designed to replace the standard NE/SE555 timer with improved performance.
- What are the key improvements over the NE/SE555 timer?
The ICM7555ID/01,112 offers low supply current, a wide operating supply voltage range, higher frequency performance, and no requirement to decouple the CONTROL_VOLTAGE for stable operation.
- What are the operating modes of the ICM7555ID/01,112?
The timer operates in both astable and monostable modes with adjustable duty cycle.
- What is the output drive capability of the ICM7555ID/01,112?
The output driver can drive TTL/CMOS loads and at least 2 standard TTL loads at VDD ≥ 4.5 V.
- What is the temperature stability of the ICM7555ID/01,112?
The timer has a typical temperature stability of 0.005 % / °C at 25 °C.
- What are the common applications of the ICM7555ID/01,112?
Common applications include precision timing, pulse generation, sequential timing, time delay generation, pulse width modulation, and missing pulse detection.
- What is the package type of the ICM7555ID/01,112?
The component is packaged in an 8-SOIC (0.154, 3.90mm Width).
- What is the frequency range of the ICM7555ID/01,112?
The timer can operate up to a frequency of 500 kHz.
- Is the ICM7555ID/01,112 compatible with NE/SE555 timers?
- What are the benefits of using the ICM7555ID/01,112 over traditional timers?
The benefits include lower supply current, wider operating voltage range, higher frequency performance, and improved temperature stability.
