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X5045PI from INTERSI,Intersil

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X5045PI

Manufacturer: INTERSI, XICOR

CPU Supervisor with 4K SPI EEPROM

Partnumber Manufacturer Quantity Availability
X5045PI INTERSI, XICOR 1915 In Stock

Description and Introduction

CPU Supervisor with 4K SPI EEPROM Here are the factual details about part X5045PI from manufacturer XICOR:

### **Specifications:**
- **Type:** Serial EEPROM with SPI Interface  
- **Memory Size:** 512 x 8 (4 Kbit)  
- **Interface:** SPI (Serial Peripheral Interface)  
- **Operating Voltage:** 2.7V to 5.5V  
- **Write Cycle Endurance:** 1,000,000 cycles  
- **Data Retention:** 100 years  
- **Package:** 8-pin DIP, SOIC  

### **Descriptions:**
- The X5045PI is a 4 Kbit serial EEPROM with an integrated watchdog timer and voltage supervisor.  
- It features a built-in SPI interface for easy communication with microcontrollers.  
- The device includes a programmable watchdog timer and reset function for system monitoring.  

### **Features:**  
- **SPI-Compatible Serial Interface**  
- **Low-Power CMOS Technology**  
- **Block Lock Protection** (Top 1/4, 1/2, or full array)  
- **Built-in Write Protection** (Power-on and software-controlled)  
- **Programmable Watchdog Timer** (1.4s to 600s range)  
- **Voltage Supervisor** (Monitors VCC and resets system if out of range)  
- **Self-Timed Write Cycle** (5ms max)  

This information is based on the manufacturer's datasheet for the X5045PI.

Application Scenarios & Design Considerations

CPU Supervisor with 4K SPI EEPROM

Alternative Part Number

  • DS1232 --: Classic CPU supervisor with reset and watchdog functions, functionally similar to the X5045 supervisory role and widely available.
  • MAX705 --: Microprocessor supervisory circuit providing reset and watchdog timing, a common drop-in style replacement for X5045 supervision needs.
  • CAT1161 --: Serial EEPROM with integrated supervisor and reset, closely matching the X5045 combination of EEPROM plus supervisory functions.
  • M41ST85W --: Supervisor with EEPROM and watchdog in a comparable package, suitable as a functional replacement for the X5045 supervisory and memory roles.

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