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ST49C101ACF8-05 from EXAR

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ST49C101ACF8-05

Manufacturer: EXAR

High Frequency Clock Multiplier

Partnumber Manufacturer Quantity Availability
ST49C101ACF8-05,ST49C101ACF805 EXAR 1598 In Stock

Description and Introduction

High Frequency Clock Multiplier The ST49C101ACF8-05 is a serial EEPROM (Electrically Erasable Programmable Read-Only Memory) manufactured by **EXAR Corporation**.  

### **Specifications:**  
- **Memory Size:** 1 Mbit (128K x 8)  
- **Interface:** Serial I²C (Inter-Integrated Circuit)  
- **Operating Voltage:** 2.5V to 5.5V  
- **Operating Temperature Range:** -40°C to +85°C  
- **Write Cycle Endurance:** 1,000,000 cycles  
- **Data Retention:** 100 years  
- **Speed:** 400 kHz (I²C Fast Mode)  
- **Package:** 8-pin SOIC (Small Outline Integrated Circuit)  

### **Features:**  
- Low-power CMOS technology  
- Byte and page write modes (up to 128 bytes per page)  
- Hardware write protection  
- Self-timed write cycle  
- Schmitt trigger inputs for noise suppression  
- Industrial temperature range support  

This EEPROM is commonly used in applications requiring non-volatile memory storage, such as embedded systems, automotive electronics, and consumer devices.  

Would you like additional details on pin configurations or application notes?

Application Scenarios & Design Considerations

High Frequency Clock Multiplier

Alternative Part Number

  • DS8921N --: Pin-compatible RS-422/RS-485 transceiver in DIP package, widely available and functionally equivalent to the original interface IC.
  • MAX490CPA --: Low-power RS-485/RS-422 transceiver with similar electrical characteristics and DIP-8 footprint, suitable as a drop-in functional replacement.
  • SN75176BP --: Industry-standard differential bus transceiver offering comparable signaling performance and package compatibility for legacy designs.

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