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24LC21T-I/SN

24LC21T-I/SN

24LC21T-I/SN

Microchip Technology

3/5V V 8 Pin Memory IC 24LC21 1 kb kb 4.9mm mm 3mA mA

SOT-23

24LC21T-I/SN Datasheet PDF

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Technical Specifications

Parameter NameValue
TypeParameter
Factory Lead Time 6 Weeks
Contact PlatingTin
Mounting Type Surface Mount
Package / Case 8-SOIC (0.154, 3.90mm Width)
Surface MountYES
Number of Pins 8
Operating Temperature-40°C~85°C TA
PackagingTape & Reel (TR)
Published 2004
JESD-609 Code e3
Pbfree Code yes
Part StatusActive
Moisture Sensitivity Level (MSL) 1 (Unlimited)
Number of Terminations 8
Additional Feature2-WIRE SERIAL INTERFACE; DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED
Technology CMOS
Voltage - Supply 2.5V~5.5V
Terminal Position DUAL
Peak Reflow Temperature (Cel) 260
Number of Functions 1
Supply Voltage 3V
Terminal Pitch1.27mm
[email protected] Reflow Temperature-Max (s) 40
Base Part Number 24LC21
Pin Count8
Supply Voltage-Max (Vsup) 5.5V
Power Supplies3/5V
Supply Voltage-Min (Vsup) 2.5V
Interface I2C, Serial
Memory Size1Kb 128 x 8
Nominal Supply Current3mA
Memory TypeNon-Volatile
Clock Frequency 400kHz
Access Time 900ns
Memory Format EEPROM
Memory InterfaceI2C
Memory Width 8
Write Cycle Time - Word, Page 10ms
Density 1 kb
Standby Current-Max 0.00003A
Serial Bus Type I2C
Endurance 1000000 Write/Erase Cycles
Write Cycle Time-Max (tWC) 10ms
Data Retention Time-Min 200
I2C Control Byte 1010XXXR
Height Seated (Max) 1.75mm
Length 4.9mm
Width 3.91mm
Radiation HardeningNo
RoHS StatusROHS3 Compliant
Lead Free Lead Free
In-Stock:15981 items

Pricing & Ordering

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24LC21T-I/SN Product Details

24LC21T-I/SN Overview


As far as its memory type goes, it falls into the Non-Volatile category. You can get memory ics in a Tape & Reel (TR) case. 8-SOIC (0.154, 3.90mm Width) case encloses it. There is an 1Kb 128 x 8 memory capacity on the chip. There is a EEPROM-format memory used in this device, which is the memory format used by mainstream devices. With an extended designed operating temperature of -40°C~85°C TA, this device is capable of lots of demanding applications. With 2.5V~5.5V as the supply voltage, it is capable of handling memory ics. Its recommended mounting type is Surface Mount. The chip contains 8 terminations. The comprehensive working procedure of this part involves 1 functions. This ic memory chip is designed to be supplied with 3V. In order to operate effectively, the memory rotates at a clock frequency within a range of 400kHz. It is common to select similar parts by referring to the device's base part number, 24LC21. A package of 8 pins is used to protect this memory device. The memory device has a total of 8 pins, thus indicating that it has a total of 8 memory locations. The nominal supply current of this memory component is 3mA. In spite of all the merits this chip has, it also features 2-WIRE SERIAL INTERFACE; DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED to level up system performance. There is only a single power supply required for this memory chip. The I2C type serial bus this memory integrates with is helpful to carry and transfer data to the CPU.

24LC21T-I/SN Features


Package / Case: 8-SOIC (0.154, 3.90mm Width)
8 Pins
Additional Feature:2-WIRE SERIAL INTERFACE; DATA RETENTION > 200 YEARS; 1000000 ERASE/WRITE CYCLES GUARANTEED

24LC21T-I/SN Applications


There are a lot of Microchip Technology 24LC21T-I/SN Memory applications.

  • telecommunications
  • personal digital assistants
  • mainframes
  • workstations,
  • graphics card
  • multimedia computers
  • Cache memory
  • cell phones
  • supercomputers
  • servers

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