Precision Timing Pulse Generation Sequential Timing Time Delay Generation Pulse Width Modulation Missing Pulse Detector The ICM7556MJD is a dual timer IC manufactured by Intersil (now part of Renesas Electronics). Below are the factual specifications, descriptions, and features from Ic-phoenix technical data files:
### **Specifications:**
- **Manufacturer:** Intersil (Renesas Electronics)
- **Part Number:** ICM7556MJD
- **Type:** CMOS Dual Timer
- **Package:** CERDIP (Ceramic Dual In-Line Package)
- **Operating Voltage Range:** 2V to 18V
- **Supply Current (Typical):** 60µA (at 5V)
- **Operating Temperature Range:** -55°C to +125°C
- **Timing Accuracy:** ±2% (over temperature range)
- **Output Current (Sink/Source):** 10mA (min)
- **Trigger Voltage:** 1/3 VCC
- **Threshold Voltage:** 2/3 VCC
### **Descriptions:**
- The ICM7556MJD is a CMOS dual version of the popular 555 timer, providing two independent timers in a single package.
- It is designed for precision timing, pulse generation, and oscillator applications.
- The device operates with very low power consumption compared to bipolar 556 timers.
- It is pin-compatible with the standard 556 timer but offers improved performance due to CMOS technology.
### **Features:**
- **Low Power Consumption:** CMOS technology ensures minimal power draw.
- **Wide Operating Voltage Range:** Supports 2V to 18V operation.
- **High Timing Accuracy:** ±2% timing precision over temperature variations.
- **Independent Timing Circuits:** Two fully independent 555-style timers in one package.
- **Low Trigger & Threshold Currents:** Reduces loading effects on external RC networks.
- **High Output Drive Capability:** Can sink/source sufficient current for TTL/CMOS interfacing.
- **Military Temperature Range:** Suitable for harsh environments (-55°C to +125°C).
This information is based on the manufacturer's datasheet and technical documentation.
