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24LCS21A/P The Microchip Technology 24LCS21A/P is a 1Kbit I2C serial EEPROM IC. It operates from 2.5V to 5.5V and features a 400kHz clock frequency.
Mfr Part #:

24LCS21A/P

Available from 2 distributors
Mfr Name: Microchip Technology
Microchip Technology
The Microchip Technology 24LCS21A/P is a 1Kbit I2C serial EEPROM IC. It operates from 2.5V to 5.5V and features a 400kHz clock frequency.
✓ Total Stock: 18,985 pcs
$ Price Range: $1.24

24LCS21A/P Available from 2 distributors

✓ Authorised
✓ Non-Authorised
Distributor Stock Pricing MOQ PKG Lead Time Date Code On Order Quantity On Order Delivery
Smaxon Electronics ✓
Non-Authorised Inventory information
18,909 pcs
On Request
18909 pcs On Request 1 On Request On Request 2020+ On Request On Request
Hybrid Electronics ✓
Non-Authorised Inventory information
76 pcs
On Request
76 pcs On Request 1 On Request On Request 0433 On Request On Request
DistyParts aggregates offers from multiple distributors. Final prices, lead times and terms are subject to the distributors' discretion and may change without prior notice. DistyParts is not liable for any discrepancies.

24LCS21A/P Specifications Quick View

Most important parameters for selection – full specs in datasheet.
Category
Manufacturer Name
Access Time
Clock Frequency
ESD Protection
Memory Format
Memory Interface
Memory Organization
Memory Size
Memory Type
Mounting Type
Operating Temperature
Supplier Device Package
Supplier Package
Technology
Voltage
Write Cycle Time
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24LCS21A/P Description

Short technical summary and product information.

The Microchip Technology 24LCS21A/P is a 1Kbit serial EEPROM device utilizing an I2C interface. This dual-mode EEPROM operates with a single supply voltage ranging from 2.5V to 5.5V, supporting clock frequencies of up to 400 kHz. It is designed for applications requiring reliable storage and serial transmission of configuration and control information.

 

The device offers a memory organization of 128 x 8 bits and a typical active current of 1 mA, with a low standby current of 10 μA at 5.5V. Key features include a self-timed write cycle with auto-erase, a hardware write-protect pin, and a page write buffer for up to eight bytes. It ensures 1,000,000 erase/write cycles and data retention exceeding 200 years.

 

Packaged in an 8-pin PDIP, the 24LCS21A/P is suitable for through-hole mounting. It is available for industrial temperature ranges, specified from 0°C to 70°C. The device is Pb-Free and RoHS compliant, making it a suitable choice for various electronic designs requiring non-volatile memory storage.

24LCS21A/P Quick Information

Product Type: EEPROM IC
Canonical Name: 24LCS21A/P 1Kbit I2C EEPROM
Subcategory: Serial EEPROM

24LCS21A/P Compliance

RoHS Status: RoHS Compliant
Moisture Sensitivity Level (MSL): 1 Unlimited
REACH Status: REACH Unaffected

24LCS21A/P Estimated Pricing

Qty Low High
1+ $1.24 $1.24

Estimated market price range - modelled values for guidance only, not live distributor offers.

24LCS21A/P Features

  • 1Kbit I2C serial EEPROM IC
  • 2.5V to 5.5V single supply operation
  • 400 kHz maximum clock frequency
  • 1,000,000 erase/write cycles
  • Data retention over 200 years

24LCS21A/P Applications

  • Monitor identification interfaces
  • Configuration data storage
  • Control information storage
  • Serial data transmission applications

24LCS21A/P FAQs

7 frequently asked questions generated from this part’s specifications.
What is the operating voltage range of the 24LCS21A/P?

2.5V to 5.5V

What package does the 24LCS21A/P come in?

8-PDIP (8-pin Dual In-line Package)

What is the operating temperature range?

0°C to 70°C

What is the memory size of the 24LCS21A/P?

1 Kbit

What is the maximum clock frequency of the I2C interface?

400 kHz

What is the write cycle time?

10 ms

How many erase/write cycles are supported?

1,000,000 erase/write cycles

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