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93C46A Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
93C46AATMEL105Yes

93C46A** is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by **Atmel** (now part of Microchip Technology).

The 93C46A is a serial Electrically Erasable Programmable Read-Only Memory (EEPROM) manufactured by Atmel (now part of Microchip Technology). Below are its specifications, descriptions, and features:

Specifications:

  • Memory Size: 1Kbit (128 x 8 or 64 x 16 organization)
  • Interface: Microwire (3-wire serial interface)
  • Supply Voltage:
  • 93C46A: 4.5V to 5.5V
  • 93LC46A: 2.5V to 5.5V (low-voltage variant)
  • Operating Temperature Range: -40°C to +85°C (industrial)
  • Write Cycle Time: 3ms (typical)
  • Endurance: 1,000,000 write cycles (minimum)
  • Data Retention: 100 years (minimum)
  • Package Options:
  • 8-pin PDIP
  • 8-pin SOIC
  • 8-pin TSSOP

Descriptions:

  • The 93C46A is a non-volatile memory that retains data even when power is removed.
  • It supports sequential read operations for faster data access.
  • Features software write protection to prevent accidental data corruption.
  • Compatible with Microwire serial protocol (CS, SK, DI, DO pins).
  • Available in 8-bit (128x8) or 16-bit (64x16) organization modes.

Features:

  • Low Power Consumption:
  • Active current: 3mA (max)
  • Standby current: 150µA (max)
  • Self-Timed Write Cycle: No external timing components required.
  • Built-in Error Checking: Write verification ensures data integrity.
  • Page Write Mode: Allows writing up to 16 bytes in a single operation.
  • Industrial-Grade Reliability: High endurance and long data retention.

This EEPROM is commonly used in automotive, industrial, and consumer electronics for storing configuration data, calibration settings, and small datasets.

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