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NM93C46LM8 from FAIRCHILD,Fairchild Semiconductor

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NM93C46LM8

Manufacturer: FAIRCHILD, FSC, FAIRCHILD/NS, Ns

256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface)

Partnumber Manufacturer Quantity Availability
NM93C46LM8 FAIRCHILD, FSC, FAIRCHILD/NS, Ns 37183 In Stock

Description and Introduction

256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface) The **NM93C46LM8** is a versatile and reliable **EEPROM (Electrically Erasable Programmable Read-Only Memory)** integrated circuit designed for non-volatile data storage in electronic systems. With a capacity of **1Kbit (128 x 8 bits or 64 x 16 bits)**, this serial memory component is widely used in applications requiring small-scale, persistent data retention, such as configuration settings, calibration data, and device identification.  

Featuring a **3-wire serial interface (Microwire-compatible)**, the NM93C46LM8 ensures straightforward integration with microcontrollers and other digital systems. It supports both **8-bit and 16-bit** data organization, providing flexibility for different design requirements. The device operates over a **wide voltage range (2.5V to 5.5V)**, making it suitable for low-power and battery-operated applications.  

Key attributes include **high endurance (1 million write cycles)** and **data retention of up to 100 years**, ensuring long-term reliability. Additionally, it incorporates **built-in write protection** to prevent accidental data corruption.  

Common applications include **automotive electronics, industrial controls, consumer electronics, and embedded systems**, where reliable, low-power, and compact memory solutions are essential. The NM93C46LM8 combines efficiency, durability, and ease of use, making it a preferred choice for engineers designing robust electronic systems.

Application Scenarios & Design Considerations

256-/1024-/2048-/4096-Bit Serial EEPROM with Extended Voltage (2.7V to 5.5V) (MICROWIRE Bus Interface)

Alternative Part Number

  • M93C46-WMN6TP --: Same 1Kbit Microwire serial EEPROM in SO8 package, pin-compatible and widely available from a major supplier.
  • AT93C46D-SSHM-T --: Equivalent 1Kbit 3-wire serial EEPROM in SOIC-8, direct functional replacement with good availability.
  • CAT93C46VI-GT3 --: Pin-compatible 1Kbit Microwire EEPROM in SOIC-8, suitable drop-in alternative for the NM93C46LM8.
  • AT93C46-10PU-2.7 --: Pin-compatible 1Kbit 3-wire serial EEPROM with same 8-pin package and 2.7V operation, widely available and a direct functional drop-in.
  • AT93C46-10SU-2.7 --: Pin-compatible 93C46 serial EEPROM with same 8-pin SOIC package and 2.7V operation, widely available and directly interchangeable.

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