Status: | Active |
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Series: | AT24HC04B |
RoHS: | Compliant |
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.
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 |
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 |
Density (Organization) | 4K bits |
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Operating Voltage Min. (V) | 1.8 |
Oper Voltage Max (V) | 5.5 |
Max. Clock Freq. | 1 MHz |
Page Size (bytes) | 16 |
Write Protected | False |
Write Protect Scheme | Upper Half |
Endurance | 1,000,000 |
Data Retention (Years) | 0 |
Battery Backup | False |
Pins | Packaging | 8 | PDIP |
Temp Range | -40C to +85C |
Packing Media | Tube (50) |
Data Sheets |
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AT24HC04B - Complete Datasheet |
Application Notes |
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AN_8826 - PCB Mounting Guidelines for Surface Mount Packages |
AN_3317 - Support for Third Party Memory Devices Programmer Sources |
AN_8546 - Serial EEPROM Interface Protocol |
Brochures |
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Atmel Serial EEPROM Products |
Atmel System Peripheral and Memory Products Brochure |
Automotive Solutions |
Product Selection Guide |
Miscellaneous |
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IBIS Model - AT24HC04B Device |
JEDEC Indicator | e3 |
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ROHS | Compliant |
China EFUP | Compliant |
Device Weight (g) | 0.4867 |
Shipping Weight (kg) | 0.9 |
Lead Count | 8 |
Package Type | PDIP |
Package Width or Size | .300in |
Soldering Composition | Matte Tin |
1.8-5.5V, 1MHz, Ind Temp, 8-PDIP | Microchip Technology |
IC: EEPROM memory | Transfer Multisort Elektronik |
EEPROM Serial-2Wire 4K-bit 512 x 8 2.5V/3.3V/5V 8-Pin PDIP | Future Electronics |
EEPROM, 4KBIT, -40 TO 85DEG C | Farnell |
Where can I find additional details, specifications and documents for a AT24HC04B-PU?
Additional datasheets, footprints and schematics for AT24HC04B-PU are listed on our Part Details page. You can also find images and similar parts to AT24HC04B-PU on this page.
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Is the AT24HC04B-PU RoHS compliant?
Yes. This part has been flagged as RoHS Compliant by Microchip Technology.
Which authorised distributors for AT24HC04B-PU have stock available?
Authorised distributors including Microchip Technology, Transfer Multisort Elektronik, Future Electronics, Avnet America and Farnell have stock available or on a lead time for AT24HC04B-PU.
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