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NM93C46TM8 from NSC,National Semiconductor

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NM93C46TM8

Manufacturer: NSC

1024-Bit Serial CMOS EEPROM (MICROWIRE? Synchronous Bus)

Partnumber Manufacturer Quantity Availability
NM93C46TM8 NSC 189 In Stock

Description and Introduction

1024-Bit Serial CMOS EEPROM (MICROWIRE? Synchronous Bus) The **NM93C46TM8** is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) integrated circuit designed for non-volatile data storage in a wide range of electronic applications. With a storage capacity of 1K-bit (128 x 8 or 64 x 16), this component provides reliable and efficient memory retention, even in power-off conditions.  

Featuring a simple **3-wire serial interface**, the NM93C46TM8 supports both **Microwire and SPI-compatible protocols**, ensuring compatibility with various microcontrollers and digital systems. Its low-power operation makes it suitable for battery-powered devices, while its high endurance (up to **1 million write cycles**) and long data retention (over **100 years**) ensure long-term reliability.  

The device operates within a **wide voltage range (1.8V to 5.5V)**, accommodating different system requirements. It also includes built-in write protection to prevent accidental data corruption. Common applications include **consumer electronics, automotive systems, industrial controls, and embedded devices** where small-scale, non-volatile memory is essential.  

Compact and cost-effective, the NM93C46TM8 is available in an **8-pin SOIC package**, making it easy to integrate into PCB designs. Its robust performance and industry-standard interface make it a practical choice for engineers seeking dependable EEPROM solutions.

Application Scenarios & Design Considerations

1024-Bit Serial CMOS EEPROM (MICROWIRE? Synchronous Bus)

Alternative Part Number

  • M93C46-WMN6TP --: Same 1Kbit Microwire serial EEPROM in SO8 package, widely available and pin-compatible replacement.
  • AT93C46D-SSHM-T --: 1Kbit 3-wire serial EEPROM in SOIC-8, functionally equivalent with similar timing and voltage range.
  • CAT93C46VI-GT3 --: 1Kbit Microwire EEPROM in SOIC-8, drop-in functional alternative with comparable specifications.

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