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NM93CS46N from FAIRCHILD,Fairchild Semiconductor

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NM93CS46N

Manufacturer: FAIRCHILD, NS

(MICROWIRETM Bus Interface) 256-/1024-/2048-/4096-Bit Serial EEPROM with Data Protect and Sequential Read

Partnumber Manufacturer Quantity Availability
NM93CS46N FAIRCHILD, NS 53 In Stock

Description and Introduction

(MICROWIRETM Bus Interface) 256-/1024-/2048-/4096-Bit Serial EEPROM with Data Protect and Sequential Read The **NM93CS46N** is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) component designed for non-volatile data storage in electronic systems. With a capacity of 1K bits (128 x 8 or 64 x 16), it provides reliable and low-power memory storage for applications requiring configuration settings, calibration data, or small-scale parameter retention.  

Featuring a **Microwire-compatible serial interface**, the NM93CS46N ensures straightforward integration with microcontrollers and other digital systems. It supports both **8-bit and 16-bit** data organization, offering flexibility for different design requirements. The device operates over a **wide voltage range (2.7V to 5.5V)**, making it suitable for battery-powered and industrial applications.  

Key attributes include **high endurance (1 million write cycles)** and **data retention of up to 100 years**, ensuring long-term reliability. Its compact **8-pin DIP or SOIC package** allows for space-efficient PCB designs. Additionally, built-in **write protection** features prevent accidental data corruption.  

Common applications include **embedded systems, automotive electronics, consumer devices, and industrial controls**, where small, non-volatile memory with serial communication is essential. The NM93CS46N balances performance, durability, and ease of use, making it a practical choice for engineers seeking dependable EEPROM solutions.

Application Scenarios & Design Considerations

(MICROWIRETM Bus Interface) 256-/1024-/2048-/4096-Bit Serial EEPROM with Data Protect and Sequential Read

Alternative Part Number

  • M93C46-WMN6TP --: Pin-compatible 1Kbit serial SPI EEPROM in the same 8-pin package, widely available and a direct functional replacement for the NM93CS46N.
  • AT93C46D-PU --: Industry-standard 1Kbit 3-wire serial EEPROM with matching pinout and voltage range, well suited as a drop-in substitute.
  • CAT93C46VI-GT3 --: Equivalent 1Kbit Microwire EEPROM in an 8-pin SOIC package, offering similar timing and interface compatibility for legacy designs.

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