The Microchip AT24HC04B is a 4 Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 512 x 8 and is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options and operates from 1.8V to 5.5V.
The AT24HC04B utilizes half-array hardware write protection.
Additional Features
512 x 8 (4 Kbit)
2-Wire Serial Interface, I2C Compatible
400 kHz and 1MHz (5V) clock compatibility
Supports up to 4 devices on the bus
Self-Timed Erase and Write Cycles (5 ms max.)
Low Power Consumption
Read current 0.4 mA (Typ), 1 mA (Max)
Write current 2 mA (Typ), 3 mA (Max)
Standby current 1.6 uA (Typ), 4 uA (Max)
Hardware Write-Protect Pin
More than 1 million erase/write cycles
Data retention > 100 years
Extended Temperature Ranges Available (Grade 1, 2, and 3 as defined in AEC-Q100)
Grade 1 Temperature Range: -40°C to 125°C
Grade 3 Temperature Range: -40°C to 85°C
Qualified for Automotive Applications
Factory Programming Available
Available in 8-lead JEDEC SOIC, 8-lead TSSOP, and 8-lead PDIP
The Microchip AT24HC04B is a 4 Kb Serial EEPROM utilizing an I2C (2-wire) serial interface. The device is organized as one block of 512 x 8 and is optimized for use in consumer, industrial, and automotive applications where reliable and dependable nonvolatile memory storage is essential. The EEPROM is available in a variety of space-saving packaging options and operates from 1.8V to 5.5V.
The AT24HC04B utilizes half-array hardware write protection.
Additional Features
- 512 x 8 (4 Kbit)
- 2-Wire Serial Interface, I2C Compatible
- 400 kHz and 1MHz (5V) clock compatibility
- Supports up to 4 devices on the bus
- Self-Timed Erase and Write Cycles (5 ms max.)
- Low Power Consumption
- Read current 0.4 mA (Typ), 1 mA (Max)
- Write current 2 mA (Typ), 3 mA (Max)
- Standby current 1.6 uA (Typ), 4 uA (Max)
- Hardware Write-Protect Pin
- More than 1 million erase/write cycles
- Data retention > 100 years
- Extended Temperature Ranges Available (Grade 1, 2, and 3 as defined in AEC-Q100)
- Grade 1 Temperature Range: -40°C to 125°C
- Grade 3 Temperature Range: -40°C to 85°C
- Qualified for Automotive Applications
- Factory Programming Available
- Available in 8-lead JEDEC SOIC, 8-lead TSSOP, and 8-lead PDIP
