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AT25SL128A-MHE-T

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Adesto Technologies NOR FLASH, UDFN-8-EP(5x6). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Made with KiCad 10.0 · needs KiCad 10.0 or later to open · KiCad file format 20260206
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AT25SL128A-MHE-T

Adesto Technologies · NOR FLASH · UDFN-8-EP(5x6)

AT25SL128A-MHE-T from Adesto Technologies, in a UDFN-8-EP(5x6). 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 CS input Active-low chip select: high deselects the device and tristates the serial outputs (standby), low enables it, and a falling edge is required after power-up before any instruction.
2 SO (IO1) bidirectional Serial data output clocked out on the falling edge of SCK, becoming I/O1 in Dual/Quad modes, and high-impedance when CS is deasserted.
3 WP (IO2) bidirectional Active-low write protect for the Status Register, used as I/O2 and losing its write-protect function when the QE bit is set for Quad I/O.
4 GND power_in Ground reference for the VCC supply, to be connected to system ground.
5 SI (IO0) bidirectional Serial data input for commands, addresses and data, latched on the rising edge of SCK, becoming I/O0 in Dual/Quad modes.
6 SCK input Serial clock input; instructions, addresses and data are latched on the rising edge and data is shifted out on the falling edge.
7 HOLD (IO3) bidirectional Pauses serial communication without deselecting the device, becomes I/O3 in Quad modes, is internally pulled high and may be left floating if unused (external connection to VCC recommended).
8 VCC power_in Single device supply for all functions including read, program and erase, which must stay stable within the valid VCC range (1.7V to 2.0V).
9 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer Adesto Technologies
Package UDFN-8-EP(5x6)
Category Memory
Pins 9

CAD (KiCad official)

  • Symbol: AT25SL128A-MHE-T
  • Footprint: Package_DFN_QFN:DFN-S-8-1EP_6x5mm_P1.27mm
  • 3D model: UDFN-8-EP(5x6) (KiCad packages3D, STEP)
  • 3D model files: at25sl128a-mhe-t-etched.step / at25sl128a-mhe-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); at25sl128a-mhe-t.step / at25sl128a-mhe-t.glb are the bare package body.

Provenance

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

  • Datasheet: Adesto Technologies datasheet (75 pp, sha256 5c053300e8578e94, retrieved 2026-10-23, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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