Datasheet > 24LCS22A_09

24LCS22A_09

更新时间： 2024-11-06 06:22:19

品牌	Logo	应用领域
美国微芯 - MICROCHIP		可编程只读存储器电动程控只读存储器电可擦编程只读存储器
页数	文件大小	规格书
26页	346K
描述
2K VESA® E-EDID™ Serial EEPROM

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中文翻译

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数据手册

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24LCS22A_09 数据手册

24LCS22A

2K VESA^®E-EDID^™Serial EEPROM

Features:

Package Types

PDIP/SOIC

• Single Supply with Operation down to 2.5V

• Supports Enhanced EDID^™(E-EDID^™) 1.3

• Completely Implements DDC1^™/DDC2^™Inter-

face for Monitor Identification, including Recovery

to DDC1

*NC

VCC

VCLK

• 2 Kbit Serial EEPROM Low-Power CMOS

Technology:

VSS

SCL

SDA

- 1 mA active current, typical

- 10 μA standby current, typical at 5.5V

• 2-Wire Serial Interface Bus, I²C^™Compatible

• 100 kHz (2.5V) and 400 kHz (5V) Compatibility

• Self-Timed Write Cycle (including Auto-Erase)

• Hardware Write-Protect Pin

* Pins labeled ‘NC’ have no internal connection

• Page Write Buffer for up to Eight Bytes

• 1,000,000 Erase Write Cycles

Block Diagram

• Data Retention >200 years

• ESD Protection >4000V

HV Generator

• 8-pin PDIP and SOIC Packages

• Available Temperature Ranges:

I/O

Control

Logic

Memory

Control

Logic

- Industrial (I)

-40°C to +85°C

EEPROM

Array

XDEC

• Pb-Free and RoHS Compliant

Page Latches

Description:

SDA

SCL

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 (1 Kbit) and

Bidirectional mode (2 Kbit). 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

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 Trans-

mit-Only mode after it receives 128 consecutive VCLK

pulses while the SCL pin is idle. The 24LCS22A is avail-

able in standard 8-pin PDIP 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.

YDEC

VCLK

Sense Amp.

R/W Control

Vcc

Vss

DS21682E-page 1

12 3 4 5 6 7...26

中文翻译

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与24LCS22A_09相关器件

型号	品牌	获取价格	描述	数据表
24LCS22A-I/P	MICROCHIP	获取价格	2K VESA® E-EDID™ Serial EEPROM
24LCS22A-I/PG	MICROCHIP	获取价格	256 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8
24LCS22A-I/SN	MICROCHIP	获取价格	2K VESA® E-EDID™ Serial EEPROM
24LCS22A-ISNG	MICROCHIP	获取价格	Single Supply with Operation Down to 2.5V
24LCS22AT	MICROCHIP	获取价格	2K VESA® E-EDID™ Serial EEPROM
24LCS22AT-I/P	MICROCHIP	获取价格	2K VESA® E-EDID™ Serial EEPROM
24LCS22AT-I/SN	MICROCHIP	获取价格	2K VESA® E-EDID™ Serial EEPROM
24LCS22AT-I/SNG	MICROCHIP	获取价格	256 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8
24LCS41/P	MICROCHIP	获取价格	512 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8
24LCS41-/P	ETC	获取价格	I2C Serial EEPROM

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