Microchip 93C46 1Kbit Serial EEPROM SOIC8

The Microchip 93C46 1Kbit Serial EEPROM SOIC8 is a 1 kilobit Electrically Erasable Programmable Read-Only Memory device for non-volatile data storage in surface-mount electronic designs. It is designed for compatibility with the MICROWIRE serial interface and supports a 3-wire serial I/O connection with clock frequencies up to 3 MHz.

Overview

The 93C46B/SN variant offers a 16-bit word organisation through a dedicated communication interface. Low-power CMOS technology supports applications where reliable data storage with minimal power consumption is critical. The device is supplied in an 8-pin SOIC package for straightforward integration into modern electronic assemblies.

Key Features

• One million erase/write cycles
• Data retention period exceeding 200 years
• Self-timed erase and write cycles that simplify the programming process
• Dedicated 'Erase All' (ERAL) and 'Write All' (WRAL) commands for bulk memory management
• Sequential read operations for efficient data access
• Ready/busy status signal indicating operational state
• Protection circuitry to safeguard data during power transitions

Technical Specifications

The device operates from a single 5 V supply with a voltage range of 4.5 V to 5.5 V and is specified for a commercial operating temperature range of 0°C to 70°C. It is supplied in an 8-pin SOIC surface-mount package with listed dimensions of 3.3 (width), 1.5 (depth) and 4.3 (height), and a weight of 0.001 gm.

Applications

Suited to applications where reliable, non-volatile data storage with minimal power consumption is critical, this EEPROM provides a compact, industry-standard 3-wire serial interface for memory integration in electronic assemblies.