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docs zd24c16a-stgmt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
viewers zd24c16a-stgmt: viewers · Ray 1mo ago
package.json Publish 0.2.0 · Ray 1mo ago
page.json Brief states the pinout check that actually ran (was an unconditional "Datasheet-verified pinout") · Ray 11d ago
README.md zd24c16a-stgmt: laser-etched CAD + chip hero (factory 2.0.0 backfill) · Ray 17d ago
zd24c16a-stgmt-etched.fit.json zd24c16a-stgmt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
zd24c16a-stgmt-etched.glb zd24c16a-stgmt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
zd24c16a-stgmt-etched.step zd24c16a-stgmt: re-etch, flat white mark read from pin 1 (service-occt 1.4.0) + chip hero · Ray 4d ago
zd24c16a-stgmt.glb Publish 0.1.0 · Ray 1mo ago
zd24c16a-stgmt.kicad_mod Publish 0.1.0 · Ray 1mo ago
zd24c16a-stgmt.kicad_sym Publish 0.1.0 · Ray 1mo ago
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zd24c16a-stgmt.step Publish 0.1.0 · Ray 1mo ago

ZD24C16A-STGMT

Zetta · EEPROM · SOT-23-5L

ZD24C16A-STGMT from Zetta, in a SOT-23-5L. 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 SCL input Serial clock input. Positive edge clocks data into the EEPROM; negative edge clocks data out. Schmitt-trigger filtered input. Requires an external pull-up resistor to VCC on the I2C bus.
2 GND power_in Ground reference (0 V) for the device.
3 SDA bidirectional Serial data (bi-directional). Open-drain output that may be wire-ORed with other open-drain/open-collector devices. Requires an external pull-up resistor to VCC.
4 VCC power_in Positive power supply, 1.7 V to 5.5 V (operating voltage option 'M' in the ordering code). Decouple locally to GND.
5 WP input Write Protect input. Tie to GND for normal read/write operations; tie to VCC to write-protect the full 16 K array (hardware data protection).

Key specifications

Parameter Value
Manufacturer Zetta
Package SOT-23-5L
Category Memory
Pins 5

Ordering variants

Same part, different packaging or reel option.

  • ZD24C16A-STGMT
  • ZD24C16A-STGMTP
  • ZD24C16A-STGMTSS
  • ZD24C16A-STGMTX
  • ZD24C16A-STGMTMA

CAD (KiCad official)

  • Symbol: ZD24C16A-STGMT
  • Footprint: Package_TO_SOT_SMD:SOT-23-5
  • 3D model: SOT-23-5L (KiCad packages3D, STEP)
  • 3D model files: zd24c16a-stgmt-etched.step / zd24c16a-stgmt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); zd24c16a-stgmt.step / zd24c16a-stgmt.glb are the bare package body.

3D model downloads

Two STEP files. Same geometry, different body top:

File Size Use it when
zd24c16a-stgmt.step 85 KB You want the bare part, or you mark your own boards.
zd24c16a-stgmt-etched.step 2.2 MB You want the part with ZD24C16A-STGMT already on it.

The marking in the etched file is real recessed geometry cut into the solid, not a texture or a decal: 544 faces against 102 in the bare model. It survives export, section views, and rendering in any CAD tool, and it drops straight into KiCad or Fusion with no extra setup.

Provenance

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

  • Datasheet: Zetta datasheet (18 pp, sha256 aa2cf5e1d905b9c3, 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