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ICM7555ISA+T from MAX,MAXIM - Dallas Semiconductor

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ICM7555ISA+T

Manufacturer: MAX, INTERSIL

Low-Power, General-Purpose Timer

Partnumber Manufacturer Quantity Availability
ICM7555ISA+T,ICM7555ISAT MAX, INTERSIL 1456 In Stock

Description and Introduction

Low-Power, General-Purpose Timer The ICM7555ISA+T is a timer IC manufactured by **INTERSIL** (now part of **Renesas Electronics Corporation**). Below are its key specifications, descriptions, and features based on factual data:

### **Specifications:**  
- **Manufacturer:** INTERSIL (now Renesas)  
- **Part Number:** ICM7555ISA+T  
- **Type:** CMOS Timer  
- **Supply Voltage Range:** 2V to 18V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Package:** 8-Pin SOIC  
- **Output Current:** Up to 100mA (sink/source)  
- **Low Power Consumption:** Typically 60µA at 5V  
- **Timing Accuracy:** ±2% over temperature  
- **ESD Protection:** Yes  

### **Descriptions:**  
- The ICM7555ISA+T is a CMOS version of the classic 555 timer, offering improved performance with lower power consumption and higher input impedance.  
- It is designed for precision timing applications, including pulse generation, oscillators, and delay circuits.  
- The device is pin-compatible with the standard 555 timer but operates more efficiently in battery-powered applications.  

### **Features:**  
- **Low Power Consumption:** Ideal for battery-operated devices.  
- **Wide Supply Voltage Range:** Operates from 2V to 18V.  
- **High Output Drive Capability:** Can drive TTL loads.  
- **Improved Timing Stability:** Less susceptible to supply voltage variations compared to bipolar 555 timers.  
- **Low Trigger/Threshold Current:** Reduces timing errors.  
- **ESD Protection:** Enhanced reliability in harsh environments.  

This information is sourced from the manufacturer's datasheet and technical documentation.

Application Scenarios & Design Considerations

Low-Power, General-Purpose Timer

Alternative Part Number

  • TLC555CDR --: Low-power CMOS 555 timer with similar supply range and pinout, widely available and cost-effective drop-in replacement.
  • LMC555CMX/NOPB --: CMOS 555 timer offering very low power consumption and compatible timing characteristics for most ICM7555 applications.
  • NE555DR --: Classic bipolar 555 timer with identical pinout and function; acceptable when slightly higher supply current is tolerable.
  • LMC555CMX --: Low-power CMOS 555 timer offering similar supply current and timing characteristics, suitable drop-in replacement in SOIC-8.

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