M95128-WMN6TP from STMicroelectronics, in a SOIC-8. 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	~{S}	input	Chip Select (active low). Drives the device into active mode when low; high places the device in standby and forces Q to high-impedance.
2	Q	output	Serial Data Output (MISO). Shifts data out on the falling edge of Serial Clock C; high-impedance when the device is deselected.
3	~{W}	input	Write Protect (active low). When low, together with the SRWD bit in the Status Register, prevents any write to the Status Register, protecting the block-protect configuration.
4	VSS	power_in	Ground reference (0 V) for the device supply and all logic signals.
5	D	input	Serial Data Input (MOSI). Instruction, address and data bytes are latched on the rising edge of Serial Clock C.
6	C	input	Serial Clock. Provides the timing reference for SPI communication; maximum 20 MHz. Supports SPI modes 0 (CPOL=0, CPHA=0) and 3 (CPOL=1, CPHA=1).
7	~{HOLD}	input	Hold (active low). Pauses serial communication with the master without deselecting the device; Q goes high-impedance and D/C are ignored while low. Tie to VCC if unused.
8	VCC	power_in	Supply voltage. 2.5 V to 5.5 V for the M95128-W variant (this MPN). Decouple with a local 100 nF ceramic capacitor to VSS.

Key specifications

Parameter	Value
Manufacturer	STMicroelectronics
Package	SOIC-8
Category	Memory
Pins	8

Ordering variants

Same part, different packaging or reel option.

M95128-WMN6TP
M95128-WMN6TPDW
M95128-WMN6TPMC
M95128-WMN6TPCS

CAD (KiCad official)

Symbol: M95128-WMN6TP
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOIC-8 (KiCad packages3D, STEP)

Provenance

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

Datasheet: STMicroelectronics datasheet (54 pp, sha256 37589d9a699b39c1, retrieved 2026-08-17, tier: manufacturer)
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