24LC21AI/SN vs ST24LC21M1TR feature comparison

24LC21AI/SN Microchip Technology Inc

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ST24LC21M1TR STMicroelectronics

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Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Active Obsolete
Ihs Manufacturer MICROCHIP TECHNOLOGY INC STMICROELECTRONICS
Part Package Code SOIC SOIC
Package Description SOP, SOP,
Pin Count 8 8
Reach Compliance Code compliant unknown
Additional Feature 2-WIRE SERIAL INTERFACE 1 MILLION ERASE/WRITE CYCLES; 40 YEARS DATA RETENTION; 2 WIRE I2C INTERFACE
Clock Frequency-Max (fCLK) 0.4 MHz 0.4 MHz
JESD-30 Code R-PDSO-G8 R-PDSO-G8
JESD-609 Code e3
Length 4.9 mm 4.9 mm
Memory Density 1024 bit 1024 bit
Memory IC Type EEPROM EEPROM
Memory Width 8 8
Moisture Sensitivity Level 1
Number of Functions 1 1
Number of Terminals 8 8
Number of Words 128 words 128 words
Number of Words Code 128 128
Operating Mode SYNCHRONOUS SYNCHRONOUS
Operating Temperature-Max 85 °C 70 °C
Operating Temperature-Min -40 °C
Organization 128X8 128X8
Output Characteristics OPEN-DRAIN
Package Body Material PLASTIC/EPOXY PLASTIC/EPOXY
Package Code SOP SOP
Package Shape RECTANGULAR RECTANGULAR
Package Style SMALL OUTLINE SMALL OUTLINE
Parallel/Serial SERIAL SERIAL
Peak Reflow Temperature (Cel) 260
Qualification Status Not Qualified Not Qualified
Seated Height-Max 1.75 mm 1.75 mm
Serial Bus Type I2C I2C
Supply Voltage-Max (Vsup) 5.5 V 5.5 V
Supply Voltage-Min (Vsup) 2.5 V 2.5 V
Supply Voltage-Nom (Vsup) 3 V
Surface Mount YES YES
Technology CMOS CMOS
Temperature Grade INDUSTRIAL COMMERCIAL
Terminal Finish MATTE TIN
Terminal Form GULL WING GULL WING
Terminal Pitch 1.27 mm 1.27 mm
Terminal Position DUAL DUAL
Time@Peak Reflow Temperature-Max (s) 40
Width 3.9 mm 3.9 mm
Write Cycle Time-Max (tWC) 10 ms 10 ms
Base Number Matches 4 1
ECCN Code EAR99
HTS Code 8542.32.00.51
Data Retention Time-Min 40

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