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24LC1025T-E

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Microchip Tech EEPROM, SOIC-8-208mil. Datasheet-verified pinout, KiCad symbol/footprint/3D.

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Contents

README

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24LC1025T-E

Microchip Tech · EEPROM · SOIC-8-208mil

24LC1025T-E from Microchip Tech, in a SOIC-8-208mil. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 A0 input User-configurable chip-select input (address bit 0). Level is compared with the corresponding bit of the I2C slave address; must be hard-wired to logic 0 (VSS) or logic 1 (VCC), or driven by a controller before normal operation. Schmitt-trigger input; VIH >= 0.7VCC, VIL <= 0.3VCC (0.2*VCC below VCC=2.5V).
2 A1 input User-configurable chip-select input (address bit 1). Level is compared with the corresponding slave-address bit; hard-wire to VSS or VCC to select one of up to four cascaded devices. Schmitt-trigger input.
3 A2 input Non-configurable chip-select input. MUST be tied to VCC for the device to operate; leaving it floating or tying it to VSS results in undefined operation. Also participates in decoding the upper 512Kbit block via the control byte.
4 VSS power_in Device ground reference (0V).
5 SDA bidirectional Bidirectional I2C serial data line. Open-drain output; requires a pull-up resistor to VCC (typ. 10 kOhm at 100 kHz, 2 kOhm at 400 kHz and 1 MHz). Data may change only while SCL is low; changes while SCL is high indicate Start/Stop conditions. Schmitt-trigger input, VOL <= 0.4V at IOL = 3.0 mA (VCC = 4.5V).
6 SCL input I2C serial clock input used to synchronize data transfers to/from the device. Schmitt-trigger input; supports up to 400 kHz on the LC1025 (100 kHz for VCC < 4.5V at E-temp).
7 WP input Hardware write-protect input. Tie to VSS to enable write operations; tie to VCC to inhibit array writes (reads are unaffected). Must be driven - do not leave floating. Schmitt-trigger input.
8 VCC power_in Positive supply input. Operating range +2.5V to +5.5V for the 24LC1025. Read operating current 450 uA max at VCC = 5.5V, SCL = 400 kHz; standby current 5 uA max.

Key specifications

Parameter Value
Manufacturer Microchip Tech
Package SOIC-8-208mil
Category Memory
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • 24LC1025T-EP
  • 24LC1025T-ESM
  • 24LC1025T-ESN

CAD (KiCad official)

  • Symbol: 24LC1025T-E
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8-208mil (KiCad packages3D, STEP)
  • 3D model files: 24lc1025t-e-etched.step / 24lc1025t-e-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); 24lc1025t-e.step / 24lc1025t-e.glb are the bare package body.

Provenance

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

  • Datasheet: Microchip Tech datasheet (28 pp, sha256 912f93f6c367e2e0, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF