Datasheets
24LC21/P by:

128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8

Part Details for 24LC21/P by Microchip Technology Inc

Overview of 24LC21/P by Microchip Technology Inc

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Applications Consumer Electronics

Price & Stock for 24LC21/P

Part # Distributor Description Stock Price Buy
DISTI # 92C7157
Newark Serial Eeprom, 1Kbit, 400Khz, Dip-8, Memory Configuration:128 X 8Bit, Interfaces:Serial I2C (2-Wire), Clock Frequency Max:400Khz, Ic Case/Package:Dip, No. Of Pins:8Pins, Supply Voltage Min:2.5V, Supply Voltage Max:5.5V, Msl:- Rohs Compliant: Yes |Microchip 24LC21/P Min Qty: 660 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 540 $0.6030
$0.6030 Buy Now
DISTI # 24LC21/P-ND
DigiKey IC EEPROM 1KBIT I2C 400KHZ 8DIP Min Qty: 1 Lead time: 8 Weeks Container: Tube 576
In Stock
  • 1 $0.6300
  • 25 $0.6180
  • 100 $0.5974
$0.5974 / $0.6300 Buy Now
DISTI # 24LC21/P
Avnet Americas EEPROM Serial-I2C 1K-bit 128 x 8 3.3V/5V 8-Pin PDIP - Rail/Tube (Alt: 24LC21/P) RoHS: Compliant Min Qty: 660 Package Multiple: 60 Lead time: 6 Weeks, 0 Days Container: Tube 0
  • 1 $0.6100
  • 25 $0.6000
  • 100 $0.5800
$0.5800 / $0.6100 Buy Now
DISTI # 579-24LC21/P
Mouser Electronics EEPROM 2.5V Dual Mode RoHS: Compliant 0
  • 1 $0.6100
  • 25 $0.6000
  • 120 $0.5800
$0.5800 / $0.6100 Order Now
DISTI # 70571411
RS 1K 2.5V DUAL MODE SERIAL EEPROM | Microchip Technology Inc. 24LC21/P RoHS: Not Compliant Min Qty: 660 Package Multiple: 1 Lead time: 52 Weeks, 0 Days Container: Bulk 0
  • 660 $0.9900
  • 6,600 $0.9400
  • 33,000 $0.9000
  • 66,000 $0.8500
$0.8500 / $0.9900 RFQ
Future Electronics   RoHS: Compliant pbFree: Yes Min Qty: 60 Package Multiple: 60 0
  • 60 $0.4880
$0.4880 Buy Now
Onlinecomponents.com EEPROM - Serial-I²C - 1Kb (128 x 8) - Dual Mode - 2.5V/3.3V/5V - 8-Pin DIP - Tube RoHS: Compliant 12300 Factory Stock
  • 60 $0.5917
  • 300 $0.5415
  • 1,020 $0.5333
  • 2,520 $0.5055
  • 5,040 $0.4979
  • 7,500 $0.4861
  • 10,020 $0.4788
  • 15,000 $0.4716
$0.4716 / $0.5917 Buy Now
Quest Components Serial EEPROM, 128 x 8, 8 Pin, Plastic, DIP 20
  • 1 $1.2600
  • 5 $1.0080
  • 21 $0.6300
$0.6300 / $1.2600 Buy Now
NAC 1K 2.5V DUAL MODE SERIAL EEPROM - Package: 8 PDIP .300in TUBE RoHS: Compliant Min Qty: 1 Package Multiple: 60 Container: Tube 9840
  • 1 $0.6000
  • 100 $0.5400
  • 500 $0.5000
  • 1,000 $0.4900
$0.4900 / $0.6000 Buy Now
DISTI # 24LC21/P
Avnet Silica EEPROM Serial-I2C 1K-bit 128 x 8 3.3V/5V 8-Pin PDIP (Alt: 24LC21/P) RoHS: Compliant Min Qty: 60 Package Multiple: 60 Lead time: 8 Weeks, 0 Days Silica - 420
Buy Now
Component Electronics, Inc IN STOCK SHIP TODAY 75
  • 1 $0.5400
  • 100 $0.4000
  • 1,000 $0.3500
$0.3500 / $0.5400 Buy Now
Master Electronics EEPROM - Serial-I²C - 1Kb (128 x 8) - Dual Mode - 2.5V/3.3V/5V - 8-Pin DIP - Tube RoHS: Compliant 12300 Factory Stock
  • 60 $0.5917
  • 300 $0.5415
  • 1,020 $0.5333
  • 2,520 $0.5055
  • 5,040 $0.4979
  • 7,500 $0.4861
  • 10,020 $0.4788
  • 15,000 $0.4716
$0.4716 / $0.5917 Buy Now

Part Details for 24LC21/P

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24LC21/P Part Data Attributes

24LC21/P Microchip Technology Inc
Buy Now Datasheet
Compare Parts:
24LC21/P Microchip Technology Inc 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Not Recommended
Ihs Manufacturer MICROCHIP TECHNOLOGY INC
Part Package Code DIP
Package Description DIP, DIP8,.3
Pin Count 8
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.32.00.51
Factory Lead Time 6 Weeks
Date Of Intro 1995-05-01
Samacsys Manufacturer Microchip
Clock Frequency-Max (fCLK) 0.4 MHz
Data Retention Time-Min 200
Endurance 1000000 Write/Erase Cycles
I2C Control Byte 1010XXXR
JESD-30 Code R-PDIP-T8
JESD-609 Code e3
Length 9.46 mm
Memory Density 1024 bit
Memory IC Type EEPROM
Memory Width 8
Number of Functions 1
Number of Ports 1
Number of Terminals 8
Number of Words 128 words
Number of Words Code 128
Operating Mode SYNCHRONOUS
Operating Temperature-Max 70 °C
Operating Temperature-Min
Organization 128X8
Output Characteristics OPEN-DRAIN
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP8,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Parallel/Serial SERIAL
Programming Voltage 5 V
Qualification Status Not Qualified
Seated Height-Max 4.32 mm
Serial Bus Type I2C
Standby Current-Max 0.0001 A
Supply Current-Max 0.003 mA
Supply Voltage-Max (Vsup) 5.5 V
Supply Voltage-Min (Vsup) 4.5 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount NO
Technology CMOS
Temperature Grade COMMERCIAL
Terminal Finish MATTE TIN
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm
Write Cycle Time-Max (tWC) 10 ms

Alternate Parts for 24LC21/P

This table gives cross-reference parts and alternative options found for 24LC21/P. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of 24LC21/P, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Description Manufacturer Compare
24LC21/PC23 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21/PC23
24LC21AI/P 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21AI/P
24LC21A-I/PG 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21A-I/PG
24LC21/PC25 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21/PC25
24LC21-I/PROC 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21-I/PROC
24LC21A/P 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21A/P
24LC21-I/P 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21-I/P
24LC21A/PB27 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21A/PB27
24LC21A-I/PROC 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21A-I/PROC
24LC21/PROC 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, PLASTIC, MS-001, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21/PROC
Part Number Description Manufacturer Compare
24LC01BHT-I/SN 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 3.90 MM, ROHS COMPLIANT, PLASTIC, SOIC-8 Microchip Technology Inc 24LC21/P vs 24LC01BHT-I/SN
M24C01-WBN3P/G 128X8 I2C/2-WIRE SERIAL EEPROM, PDIP8, LEAD FREE, PLASTIC, DIP-8 STMicroelectronics 24LC21/P vs M24C01-WBN3P/G
24LC21A/SN 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, SOIC-8 Microchip Technology Inc 24LC21/P vs 24LC21A/SN
24LC21T/SNC24 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 0.150 INCH, PLASTIC, MS-012, SOIC-8 Microchip Technology Inc 24LC21/P vs 24LC21T/SNC24
M24C01-BN6T 128X8 I2C/2-WIRE SERIAL EEPROM, PDIP8, PLASTIC, DIP-8 STMicroelectronics 24LC21/P vs M24C01-BN6T
M24C01-WBN3 128X8 I2C/2-WIRE SERIAL EEPROM, PDIP8, PLASTIC, DIP-8 STMicroelectronics 24LC21/P vs M24C01-WBN3
24LC21A-I/PROC 128 X 8 I2C/2-WIRE SERIAL EEPROM, PDIP8, 0.300 INCH, ROHS COMPLIANT, PLASTIC, DIP-8 Microchip Technology Inc 24LC21/P vs 24LC21A-I/PROC
M24C01-WMN3TG/W 128X8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 0.150 INCH, ROHS COMPLIANT, PLASTIC, SOP-8 STMicroelectronics 24LC21/P vs M24C01-WMN3TG/W
M24C01-WMN3TP/S 128X8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 0.150 INCH, HALOGEN FREE AND ROHS COMPLIANT, PLASTIC, SOP-8 STMicroelectronics 24LC21/P vs M24C01-WMN3TP/S
M24C01-WMN3G/G 128X8 I2C/2-WIRE SERIAL EEPROM, PDSO8, 0.150 INCH, LEAD FREE, PLASTIC, SO-8 STMicroelectronics 24LC21/P vs M24C01-WMN3G/G

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