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See Technical Specifications

24LCS22A-I/SN

2Kb I2C Serial EEPROM for DDC1™/DDC2™ Monitor Identification.

Manufacturer:

Microchip Technology, Inc
Mfr.Part #:

24LCS22A-I/SN
Datasheet:

24LCS22A-I/SN Datasheet (PDF)
Memory Type:

Non-Volatile
Memory Format:

EEPROM
Technology:

EEPROM
Memory Size:

2Kbit
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24LCS22A-I/SN General Description

The Microchip Technology Inc. 24LCS22A is a 256 x 8-bitdual-mode Electrically Erasable PROM (EEPROM). Thisdevice is designed for use in applications requiringstorage and serial transmission of configuration andcontrol information. Two modes of operation have beenimplemented: Transmit-Only mode (1 Kbit) andBidirectional mode (2 Kbit). Upon power-up, the devicewill be in the Transmit-Only mode, sending a serial bitstream of the memory array from 00h to 7Fh, clocked bythe VCLK pin. A valid high-to-low transition on the SCL pinwill cause the device to enter the Transition mode, andlook for a valid control byte on the I²C™Compatible bus. If it detects avalid control byte from the master, it will switch intoBidirectional mode, with byte selectable read/writecapability of the entire 2K memory array using SCL. If nocontrol byte is received, the device will revert to the Transmit-Only mode after it receives 128 consecutive VCLKpulses while the SCL pin is idle. The 24LCS22A is availablein standard 8-pin PDIP and SOIC packages. The24LCS22A features a flexible write-protect pin which isenabled by writing to address 7Fh (usually the checksumin VESA® applications.

Key Features

Single Supply with Operation Down to 2.5V
Supports Enhanced EDID™ (E-EDID™) 1.3
Completely Implements DDC1™/DDC2™ Interfacefor Monitor Identification, including Recoveryto DDC1
2 Kbit Serial EEPROM Low-Power CMOSTechnology:
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
Page Write Buffer for up to Eight Bytes
1,000,000 Erase Write Cycles
Data Retention >200 years

Microchip Technology, Inc Original Stock

Specifications

Category	Integrated Circuits (ICs)MemoryMemory	Series	-
Memory Type	Non-Volatile	Memory Format	EEPROM
Technology	EEPROM	Memory Size	2Kbit
Memory Organization	256 x 8	Memory Interface	I²C
Clock Frequency	400 kHz	Write Cycle Time - Word, Page	10ms
Access Time	900 ns	Voltage - Supply	2.5V ~ 5.5V
Operating Temperature	-40°C ~ 85°C (TA)	Mounting Type	Surface Mount
Base Product Number	24LCS22

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Ratings and Reviews

A**n 02/06/2024

I got everything, as the master solves

Z**e 03/17/2022

20 days to moscow, tracked. Everyone is happy

L**n 09/24/2021

The product in principle is good. which is extremely surprising how the seller refers to his product and customers. everything will explain everything. that many do not do for this you can safely put 5.