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BL24C256 - Two-wire Serial EEPROM

Download the BL24C256 datasheet PDF. This datasheet also covers the BL24C128 variant, as both devices belong to the same two-wire serial eeprom family and are provided as variant models within a single manufacturer datasheet.

General Description

BL24C128/BL24C256 provides 131,072/262,144 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 16,384/32,768 words of 8 bits each.

Key Features

  • Two-wire Serial Interface VCC = 1.7V to 5.5V Bi-directional Data Transfer Protocol Internally Organized BL24C128, 16,384 X 8 (128K bits) BL24C256, 32,768 X 8 (256K bits) 1 MHz(5V), 400 kHz (1.7V, 2.5V, 2.7V) Compatibility 64-byte Page (128K/256K) Write Modes Partial Page Writes Allowed Self-timed Write Cycle (5 ms max) High-reliability 1 Million Write Cycles guaranteed Data Retention > 100 Years Operating Temperature: -40℃ to +85℃ 8-lead PDIP, 8-lead SOP and 8-lead TSSOP Packages BL24C128/256.

📥 Download Datasheet

Note: The manufacturer provides a single datasheet file (BL24C128-BELLING.pdf) that lists specifications for multiple related part numbers.

Datasheet Details

Part number BL24C256
Manufacturer BELLING
File Size 953.77 KB
Description Two-wire Serial EEPROM
Datasheet download datasheet BL24C256 Datasheet

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

View original datasheet text
Shanghai Belling Corp., Ltd BL24C128/BL24C256 128K bits (16,384 X 8) / 256K bits (32,768 X 8) Two-wire Serial EEPROM Features Two-wire Serial Interface VCC = 1.7V to 5.5V Bi-directional Data Transfer Protocol Internally Organized BL24C128, 16,384 X 8 (128K bits) BL24C256, 32,768 X 8 (256K bits) 1 MHz(5V), 400 kHz (1.7V, 2.5V, 2.