Overview
The ICM7555CD,602 is a general-purpose CMOS timer produced by NXP USA Inc. It offers significantly improved performance over the standard NE/SE555 timer while being a direct replacement for those devices in most applications. This timer is known for its low supply current, wide operating supply voltage range, and high-speed operation, making it versatile for various timing and clock generation functions in electronic systems.
Key Specifications
| Parameter | Min | Typical | Max | Unit |
|---|---|---|---|---|
| Supply Voltage (VDD) | 3 | - | 16 | V |
| Supply Current (IDD) | - | 80 | - | µA |
| Trigger, Threshold, and Reset Currents | - | 20 | - | pA |
| Operating Frequency | - | - | 500 | kHz |
| Temperature Range | -25 | - | 85 | °C |
| Package Type | - | - | - | SOIC-8 |
| RoHS Status | - | - | - | Lead Free / RoHS Compliant |
Key Features
- Exact equivalent in most applications for NE/SE555 timers.
- Low supply current: 80 µA (typical).
- Extremely low trigger, threshold, and reset currents: 20 pA (typical).
- High-speed operation: up to 500 kHz guaranteed.
- Wide operating supply voltage range: 3 V to 16 V over full automotive temperatures.
- No crowbarring of supply current during output transitions.
- No requirement to decouple CONTROL_VOLTAGE for stable operation.
- Adjustable duty cycle and precise control over timing parameters.
- 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 detector).
- Automotive control: engine control, transmission control, and timing functions).
- Industrial automation: synchronizing processes, controlling machinery, and coordinating operations).
- Digital signal processing (DSP)).
Q & A
- What is the ICM7555CD,602?
The ICM7555CD,602 is a general-purpose CMOS timer produced by NXP USA Inc., offering improved performance over the standard NE/SE555 timer.
- What is the typical supply current of the ICM7555CD,602?
The typical supply current is 80 µA.
- What is the operating supply voltage range of the ICM7555CD,602?
The operating supply voltage range is from 3 V to 16 V.
- What is the maximum operating frequency of the ICM7555CD,602?
The maximum operating frequency is up to 500 kHz.
- Does the ICM7555CD,602 require decoupling of the CONTROL_VOLTAGE for stable operation?
No, it does not require decoupling of the CONTROL_VOLTAGE for stable operation.
- What types of loads can the output of the ICM7555CD,602 drive?
The output can drive TTL and CMOS loads.
- What is the temperature stability of the ICM7555CD,602?
The typical temperature stability is 0.005 % / °C at 25 °C.
- What are some common applications of the ICM7555CD,602?
Common applications include precision timing, pulse generation, sequential timing, time delay generation, and industrial automation.
- Is the ICM7555CD,602 RoHS compliant?
- What is the package type of the ICM7555CD,602?
The package type is SOIC-8.
