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AT24LC64M

Public Made by Adom

by adom

HGSEMI EEPROM, SOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AT24LC64M

HGSEMI · EEPROM · SOP-8

AT24LC64M from HGSEMI, in a SOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A0 input Address input, hard-wired to set the device address so up to eight 32K/64K devices can share one bus.
2 A1 input Address input, hard-wired to set the device address so up to eight 32K/64K devices can share one bus.
3 A2 input Address input, hard-wired to set the device address so up to eight 32K/64K devices can share one bus.
4 GND power_in Ground.
5 SDA bidirectional Bidirectional serial data pin, open-drain driven and may be wire-ORed with other open-drain or open-collector devices.
6 SCL input Serial clock input that clocks data into the device on the positive edge and out on the negative edge.
7 WP input Write protect input: normal read/write when connected to GND, and the full array is write-protected when connected to VCC.
8 VCC power_in Power supply, 1.8V to 5.5V operating range.

Key specifications

Parameter Value
Manufacturer HGSEMI
Package SOP-8
Category Memory
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply Voltage Vcc 1.8 5.5 V 9
Operating Ambient Temperature TA -40 85 ℃ Recommended operating range for DC/AC characteristics 9
DC Supply Voltage -0.3 6.5 V 9
Operating Ambient Temperature -40 85 ℃ 9
Storage Temperature -65 150 ℃ 9
Supply Current Icc1 0.4 1 mA Vcc=5.0V Read @100KHz 9
Supply Current Icc2 2 3 mA Vcc=5.0V Write @100KHz 9
Standby Current ISB 2 uA Vin=Vcc or GND 9
Input Leakage Current ILI 3 uA Vin=Vcc or GND 9
Output Leakage Current ILO 0.05 3 uA Vout=Vcc or GND 9
Input Low Level VIL -0.6 V 9
Output Low Level (Vcc=5.0V) VOL3 0.4 V IOL=3.0mA 9
Output Low Level (Vcc=3.0V) VOL2 0.4 V IOL=2.1mA 9
Output Low Level (Vcc=1.8V) VOL1 0.2 V IOL=0.15mA 9
Input/Output Capacitance (SDA) CI/O 8 pF VI/O = 0V 9
Input Capacitance (A0, A1, A2, SCL) CIN 6 pF VIN = 0V 9
Clock Frequency, SCL fSCL 400 KHz 1.8-volt 10
Clock Frequency, SCL fSCL 1000 KHz 5.0-volt 10
Clock Pulse Width Low tLOW 1.2 us 1.8-volt 10
Clock Pulse Width Low tLOW 0.6 us 5.0-volt 10
Clock Pulse Width High tHIGH 0.6 us 1.8-volt 10
Clock Pulse Width High tHIGH 0.4 us 5.0-volt 10
Noise Suppression Time tI 50 us 1.8-volt 10
Noise Suppression Time tI 40 us 5.0-volt 10
Clock Low to Data Out Valid tAA 0.05 0.9 us 1.8-volt 10
Clock Low to Data Out Valid tAA 0.05 0.55 us 5.0-volt 10
Bus free time before new transmission tBUF 1.2 us 1.8-volt 10
Bus free time before new transmission tBUF 0.5 us 5.0-volt 10
Start Hold Time tHD.STA 0.6 us 1.8-volt 10
Start Hold Time tHD.STA 0.25 us 5.0-volt 10
Start Setup Time tSU.STA 0.6 us 1.8-volt 10
Start Setup Time tSU.STA 0.25 us 5.0-volt 10
Data In Hold Time tHD.DAT 0 us 1.8-volt 10
Data In Setup Time tSU.DAT 100 ns 1.8-volt 10
Inputs Rise Time tR 0.3 us 1.8-volt 10
Inputs Fall Time tF 300 ns 1.8-volt 10
Inputs Fall Time tF 100 ns 5.0-volt 10
Stop Setup Time tSU.STO 0.6 us 1.8-volt 10
Stop Setup Time tSU.STO 0.25 us 5.0-volt 10
Data Out Hold Time tDH 50 ns 1.8-volt 10
Write Cycle Time tWR 5 ms 1.8-volt 10

CAD (KiCad official)

  • Symbol: AT24LC64M
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOP-8 (KiCad packages3D, STEP)
  • 3D model files: at24lc64m-etched.step / at24lc64m-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at24lc64m.step / at24lc64m.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: HGSEMI datasheet (14 pp, sha256 3c68a91b60f3b6d4, retrieved 2026-10-14, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text+vision), consensus claude-opus-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF