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AT24HC04B
  • AT24HC04B
  • AT24HC04B
  • AT24HC04B
  • AT24HC04B

AT24HC04B

In Production

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, and industrial 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.

Microchip Technology AT24HC04B Product Info

16 April 2026 0

Parameters

Density

4 Kbit

Endurance

1,000,000

Max. Clock Freq.

1 MHz

Operating Voltage Max (V)

5.5

Operating Voltage Min (V)

1.8

Page Size (Bytes)

16

Write Protect Scheme

Upper Half

Data Retention

100

Features

  • 512 x 8 (4 Kbit)
  • 400 kHz and 1MHz (5V) clock compatibility
  • Supports up to 4 devices on the bus
  • Self-Timed Erase and Write Cycles (5 ms max.)
  • 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
  • Temperature Range: -40°C to 85°C
  • Factory Programming Available
  • Available in 8-lead JEDEC SOIC, 8-lead TSSOP, and 8-lead PDIP

    • Description

    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, and industrial 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.

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