24AA01HT-I/OT More Semiconductors - ICs by Microchip Technology

1Kb I2C Serial EEPROM with Half-Array Write Protection

Status: Active
Series: 24AA01H
RoHS: Compliant
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The Microchip Technology Inc. 24AA01H/24LC01BH is a 1Kb Serial EEPROM with half array write protection. The device is organized as one block of 128 x 8-bit memory with a 2-wire serial interface. Low-voltage design permits operation down to 1.7V with standby and active currents of only 1 µA and 1 mA, respectively. The 24XX01H also has a page write capability for up to 8 bytes of data. The 24XX01H is available in the standard 8-pin PDIP, surface mount SOIC, TSSOP, 2x3 TDFN and MSOP packages, and is also available in the 5-lead SOT-23 and SC-70 packages.
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799 units
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Single Supply with Operation down to 1.7V
Low-Power CMOS Technology:
2-Wire Serial Interface, I2C™ Compatible
Schmitt Trigger Inputs for Noise Suppression
Output Slope Control to Eliminate Ground Bounce
100 kHz and 400 kHz Compatibility
Page Write Time 3 ms, typical
Hardware Write-Protect for Half-Array (40h-7Fh)
ESD Protection >4,000V
More than 1 Million Erase/Write Cycles
Data Retention >200 Years


Density (Organization) 1K bits (x8)
Operating Voltage Min. (V) 1.7
Oper Voltage Max (V) 5.5
Max. Clock Freq. 400 kHz
Page Size (bytes) 8
Write Protected False
Write Protect Scheme Upper Half
Endurance 1,000,000
Pins | Packaging 5 | SOT-23
Temp Range -40C to +85C
Packing Media Tape and reel (3000)


Application Notes
AN974 - Interfacing I2C™ Serial EEPROMs to PICmicro® Microcontrollers
AN976 - Using the MSSP Module to Interface I2C? Serial EEPROMs with PIC16 Devices
AN979 - Interfacing I2C™ Serial EEPROMs to PIC18 Devices
AN982 - Interfacing I2C Serial EEPROMs to PIC10 and PIC12 Devices
AN989 - Using the MSSP Module to Interface I2C? Serial EEPROMs with PIC18 Devices
AN991 - Using the C18 Compiler and the MSSP to Interface I2C™ EEPROMs with PIC18 Devices
AN997 - Using the C18 Compiler to Interface I2C? Serial EEPROMs with PIC18 Devices
AN1019 - EEPROM Endurance Tutorial
AN1028 - Recommended Usage of Microchip I2C? Serial EEPROM Devices
AN1079 - Using the C30 Compiler and the I2C? Peripheral to Interface Serial EEPROMs with dsPIC33F
AN1100 - Using the C30 Compiler to Interface Serial EEPROMs with dsPIC33F
AN1113 - Using C and a Hardware Module to Interface 8051 MCUs with I2C Serial EEPROMs
AN1147 - Interfacing 8051 MCUs with I2C Serial EEPROMs
AN1190 - Using ASM and a Hardware Module to Interface 8051 MCUs with I2C(TM) Serial EEPROMs
AN1195 - Using C to Interface 8051 MCUs with I2C(TM) Serial EEPROMs
AN1418 - Adding Flexibility by Using Multiple Footprints for I2C Serial EEPROMs

Environmental Information

JEDEC Indicator e3
ROHS Compliant
China EFUP Compliant
Device Weight (g) 0.016
Shipping Weight (kg) 0.049
Lead Count 5
Package Type SOT-23
Soldering Composition Matte Tin

Alternative Descriptions

1K 2-Wire Serial EEPROM with half-array write protection | Microchip Technology
EEPROM Serial-2Wire 1K-bit 128 x 8 1.8V/2.5V/3.3V/5V 5-Pin SOT-23 T/R | Avnet America
1K, 128 X 8 SERIAL EE, 1.8V IND, 1/2 ARRAY WP 5 SOT-23 T/R ROHS COMPLIANT: YES | Newark Electronics

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