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HG24C128N

Public Made by Adom

by adom

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

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HG24C128N

HGSEMI · EEPROM · DIP-8

HG24C128N from HGSEMI, in a DIP-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 E0 input Device address input E0, compared against the E0 bit of the device address; left floating it is internally pulled down to Vss.
2 E1 input Device address input E1, compared against the E1 bit of the device address; left floating it is internally pulled down to Vss.
3 E2 input Device address input E2, compared against the E2 bit of the device address; left floating it is internally pulled down to Vss, allowing up to eight devices on one bus.
4 Vss power_in Ground reference for the VCC supply voltage.
5 SDA bidirectional Serial data input and output; open-drain driven and may be wire-OR'ed with other open-drain or open-collector devices, with an external pull-up required.
6 SCL input Serial clock input; data is clocked in on the positive edge and clocked out on the negative edge of SCL.
7 WCB input Write control, active low: connecting WCB to VCC inhibits all write operations, connecting it to Vss allows normal writes, and if left floating it is internally pulled down to Vss.
8 VCC power_in Supply voltage, specified from 1.7 V to 5.5 V in the DC characteristics (absolute maximum -0.5 V to 6.5 V).

Key specifications

Parameter Value
Manufacturer HGSEMI
Package DIP-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
Storage Temperature TSTG -65 150 °C 5
Ambient operating temperature range TA -40 125 °C 5
Supply Voltage VCC -0.5 6.5 V 5
Input or output range VIO -0.5 6.5 V 5
DC output current IOL 5 mA SDA=0 5
Lead Temperature TL 260 °C Soldering, 10 seconds 5
Supply Voltage VCC 1.7 5.5 V 5
Input / Output Capacitance (SDA) CI/O 8 pF VI/O= Vss 5
Input Capacitance (E0, E1, E2, WCB, SCL) CIN 6 pF VIN= Vss 5
Standby Current Isb 1 µA Vcc = 3.3V, TA = 85°C 5
Standby Current Isb 2 µA Vcc = 5.5V, TA = 85°C 5
Standby Current Isb 3 µA Vcc = 5.5V, TA = 105°C 5
Supply Current (read) ICC1 0.2 0.4 mA Vcc = 5.5V, Read at 400Khz 5
Supply Current (write) ICC2 0.8 1.6 mA Vcc = 5.5V, Write at 400Khz 5
Input Leakage Current ILI 0.1 1 µA VIN = VCC or Vss 5
Output Leakage Current ILO 0.05 1 µA VOUT = VCC or Vss 5
Input Low Level VIL -0.5 V 5
Output Low Level (SDA), VCC = 1.7V VOL1 0.2 V VCC = 1.7V (SDA); IOL = 0.15 mA 5
Output Low Level (SDA), VCC = 3.0V VOL2 0.4 V VCC = 3.0V (SDA); IOL = 2.1 mA 5
The minimum duration for ensuring initialization will occur tPWD 300 us 8
VCC Rise Time tVR 1 500000 us/V 8

CAD (KiCad official)

  • Symbol: HG24C128N
  • Footprint: Package_DIP:DIP-8_W7.62mm
  • 3D model: DIP-8 (KiCad packages3D, STEP)
  • 3D model files: hg24c128n-etched.step / hg24c128n-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hg24c128n.step / hg24c128n.glb are the bare package body.

Provenance

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

  • Datasheet: HGSEMI datasheet (20 pp, sha256 17783f1cc8fc6b15, retrieved 2026-10-18, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-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