24LCS22A Datasheet

IC型號：
24LCS22A
PDF描述：
24LCS22A Datasheet
文件大?。?/label>
304.75KB
PDF頁數(shù)：
24頁
芯片廠家：
ETC

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24LCS22A

2K VESA

廬

E-EDID

鈩?/div>

Serial EEPROM

Features

鈥?Single supply with operation down to 2.5V

鈥?Supports Enhanced EDID

鈩?/div>

(E-EDID

鈩?/div>

) 1.3

鈥?Completely implements DDC1/DDC2

鈩?/div>

interface

for monitor identification, including recovery to

DDC1

鈥?2K-bit Serial EEPROM Low-power CMOS

technology:

- 1 mA typical active current

- 10

碌A(chǔ)

standby current typical at 5.5V

鈥?2-wire serial interface bus, I

鈩?/div>

compatible

鈥?100 kHz (2.5V) and 400 kHz (5V) compatibility

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

鈥?Hardware write-protect pin

鈥?Page write buffer for up to eight bytes

鈥?1,000,000 erase write cycles

鈥?Data retention > 200 years

鈥?ESD protection > 4000V

鈥?8-pin DIP and SOIC packages

鈥?Available temperature ranges:

- Industrial (I)

-40擄C to +85擄C

Package Types

PDIP/SOIC

*NC

24LCS22A

VCLK

SCL

SDA

* Pins labeled 鈥楴C鈥?have no internal connection

Block Diagram

HV Generator

I/O

Control

Logic

Memory

Control

Logic

XDEC

EEPROM

Array

Page Latches

Description

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 (1K-bit) and

Bidirectional mode (2K-bit). 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 I

C bus. If it detects a

valid control byte from the master, it will switch into

Bidirectional 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

廬

applications.

SDA

SCL

YDEC

VCLK

Vcc

Vss

Sense Amp.

R/W Control

錚?/div>

2003 Microchip Technology Inc.

DS21682B-page 1

型號

版本

描述

廠商

下載
24LC00

英文版

128 Bit I 2 C? Bus Serial EEPROM

24LC00
24LC00

英文版

128 Bit I 2 C? Bus Serial EEPROM

MICROCHIP ...

24LC00
24LC01

英文版

1K/2K 2-Wire CMOS Serial EEPROM

HOLTEK

24LC01
24LC01

英文版

1K/2K 2-Wire CMOS Serial EEPROM

HOLTEK [Ho...

24LC01
24LC02

英文版

1K/2K 2-Wire CMOS Serial EEPROM

HOLTEK

24LC02
24LC02

英文版

1K/2K 2-Wire CMOS Serial EEPROM

HOLTEK [Ho...

24LC02
24LC04

英文版

4K/8K 2.5V I 2 C Serial EEPROMs

24LC04
24LC04

英文版

4K/8K 2.5V I 2 C Serial EEPROMs

MICROCHIP ...

24LC04
24LC08

英文版

3-Wire Serial EEPROMs

24LC08
24LC08

英文版

3-Wire Serial EEPROMs

ATMEL [ATM...

24LC08
24LC09

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8K 2.5V ACR SERIAL EEPROM

24LC09
24LC09

英文版

8K 2.5V ACR SERIAL EEPROM

MICROCHIP ...

24LC09
24LC16

英文版

16K 2.5V I 2 C O Serial EEPROM

24LC16
24LC16

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16K 2.5V I 2 C O Serial EEPROM

MICROCHIP ...

24LC16
24LC16

英文版

8K/16K I 2 C ⑩ Serial EEPROMs in ISO Micromodules

MICROCHIP ...

24LC16
24LC16

英文版

8K/16K 2.5V SPI O Bus Serial EEPROM

MICROCHIP ...

24LC16
24LC21

英文版

1K 2.5V Dual Mode I2C™ Serial EEPROM

24LC21
24LC21

英文版

1K 2.5V Dual Mode I 2 C Serial EEPROM

MICROCHIP ...

24LC21
24LC21

英文版

1K 2.5V Dual Mode I 2 C Serial EEPROM

MICROCHIP ...

24LC21
24LC32

英文版

32K I 2 C⑩ Serial EEPROM in ISO Micromodule

24LC32

24LCS22A Datasheet

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