Download Datasheets 24LCS22A Device 
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Home - Memory Products - 2K Devices - 24LCS22A Device, download datasheet

Download Datasheets 24LCS22A Device


The Microchip Technology Inc. 24LCS22A is a 256 x 8-bit dual-mode Electrically Erasable PROM (EEPROM). 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 (1Kbit) and Bi-directional Mode (2Kbit). Upon power-up, the device will be in the Transmit-Only Mode, sending a serial bit stream of the memory array from 00h to 7Fh, clocked by the VCLK pin. A valid high to low transition on the SCL pin will cause the device to enter the transition mode, and look for a valid control byte on the I2C bus. If it detects a valid control byte from the master, it will switch into Bi-Directional Mode, with byte selectable read/write capability of the entire 2K memory array using SCL. If no control byte is received, the device will revert to the Transmit-Only Mode after it receives 128 consecutive VCLK pulses while the SCL pin is idle. The 24LCS22A is available in standard 8-pin DIP and SOIC packages. The 24LCS22A features a flexible Write-Protect pin which is enabled by writing to address 7Fh (usually the checksum in VESA applications.

Datasheet and Other Documentation

Detailed Content

Lit. Number

Download

 

24LCS22A Datasheet

21682a

Download 24LCS22A Datasheet

Status

In Production

Specification Chart

Operat. Voltage

E/W Cycles

Density (Organ.)

Write Speed

Clock Speed

1.8V to 5.5V

1M

2K bits (x8)

10 ms

400 kHz

Additional Features

Similar to 24LC21A with an additional 1K bits of memory to support high end monitors. Plug n Play compatible.

Package Options

8 SOIC 150mil(SN), 8 PDIP(P)



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