Product Summary

The 24LC21A-I/SN is a 128 x 8-bit dual-mode Electrically Erasable PROM. This device is designed for use in applications requiring storage and serial transmission of configuration and control information. Two modes of operation have been implemented:Transmit-Only mode and Bidirectional mode.

Parametrics

24LC21A-I/SN absolute maximum ratings: (1)VCC: 7.0V; (2)All inputs and outputs w.r.t. VSS: -0.6V to VCC +1.0V; (3)Storage temperature: -65°C to +150°C; (4)Ambient temperature with power applied: -40°C to +125°C; (5)ESD protection on all pins: ≥ 4 kV.

Features

24LC21A-I/SN features: (1)Single Supply with Operation Down to 2.5V; (2)Pin and Function Compatible with 24LC21; (3)Low-Power CMOS Technology; (4)Self-Timed Write Cycle (including auto-erase); (5)Page Write Buffer for up to Eight Bytes; (6)Available for Extended Temperature Ranges.

Diagrams

24LC21A-I/SN block diagram

Image Part No Mfg Description Data Sheet Download Pricing
(USD)
Quantity
24LC21A-I/SN
24LC21A-I/SN

Microchip Technology

EEPROM 2.5V Dual Mode

Data Sheet

0-1: $0.29
1-10: $0.23
10-25: $0.22
25-100: $0.21
24LC21A-I/SNG
24LC21A-I/SNG

Microchip Technology

EEPROM 2.5V Dual Mode Lead Free Package

Data Sheet

Negotiable