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John Lauer Used by: link to the riser project page john/oculink-aiom-riser 3f8a677 7d ago

BR24H64FJ-5ACE2 64 Kbit I2C EEPROM (ROHM)

ROHM BR24H64FJ-5ACE2 is a 64 Kbit (8192 x 8) serial EEPROM on a two-wire I2C bus (up to 1 MHz), with 2-byte (16-bit) word addressing, a 32-byte page write, a write-protect pin, three address pins with internal pull-downs, 1.7 V to 5.5 V operation and a 125 C rating, in the SOP-J8 package.

Manufacturer ROHM Semiconductor
MPN BR24H64FJ-5ACE2
Organisation 8K x 8, 32-byte page
Supply 1.7 V to 5.5 V
Address 1010 A2 A1 A0 R/W
Buy Mouser 755-BR24H64FJ-5ACE2
Datasheet ROHM BR24H64xxx-5AC

Pins (datasheet Pin Descriptions)

Pin Name Function
1 A0 Device address bit 0; internal pull-down (open = GND)
2 A1 Device address bit 1; internal pull-down
3 A2 Device address bit 2; internal pull-down
4 GND Ground, 0 V reference
5 SDA Serial data, open drain; needs a pull-up
6 SCL Serial clock input, noise filtered
7 WP Write protect: high blocks writes; internal pull-down (open = writable)
8 VCC Supply 1.7 V to 5.5 V; bypass close to the pin

Library files

File Source
br24h64fj-5ace2.kicad_sym Adom-style symbol (adom-symbol 1.2.2), pin numbers and names from the ROHM datasheet
br24h64fj-5ace2.kicad_mod KiCad 10 library Package_SO:SOIC-8_3.9x4.9mm_P1.27mm (JEDEC MS-012 land pattern; SOP-J8 has the same 4.9 x 3.9 mm body and 1.27 mm pitch). KiCad library licence CC-BY-SA 4.0 with the KiCad exception.
br24h64fj-5ace2.step / .glb KiCad 10 3D library SOIC-8_3.9x4.9mm_P1.27mm.step (generic JEDEC body, not a ROHM model), converted with step2glb

Check the ROHM SOP-J8 drawing before a tight layout: the KiCad JEDEC body is the generic MS-012 outline.

Used by: OCuLink riser for the Supermicro AIOM slot (FRU EEPROM).