描述 Description

The Microchip Technology Inc. 24FC32 is a 4K x 8 (32K bit) Serial Electrically Erasable PROM (EEPROM) with a high-speed 1 MHz SE2.bus whose protocol is functionally equivalent to the industry-standard I2C bus.

特性 Features

? Voltage operating range: 4.5V to 5.5V

- Maximum write current 3 mA at 5.5V

- Maximum read current 150 μA at 5.5V

- Standby current 1 μA typical

? 1 MHz SE2.bus two wire protocol

? Self-timed write cycle (including auto-erase)

? Power on/off data protection circuitry

? Endurance:

- 10,000,000 Erase/Write cycles ensured for a

4K block

- 1,000,000 E/W cycles ensured for a 28K

block

? 8-byte page, or byte modes available

? 1 page x 8 line input cache (64 bytes) for fast write

loads

? Schmitt Trigger inputs for noise suppression

? 2 ms typical write cycle time, byte or page

? Up to 8 chips may be connected to the same bus

for up to 256K bits total memory

? Electrostatic discharge protection > 4000V

? Data retention > 200 years

? 8-pin PDIP/SOIC packages

? Temperature ranges

- Commercial (C): 0°C to +70°C

- Industrial (I): -40°C to +85°C