M95128-DWDW4TP/K

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M95128-DWDW4TP/K

IC EEPROM 128KBIT SPI 8TSSOP

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Spécifications

Supplier STMicroelectronics
Package Tape & Reel (TR),Cut Tape (CT)
Series Automotive, AEC-Q100
ProductStatus Active
MemoryType Non-Volatile
MemoryFormat EEPROM
Technology EEPROM
MemorySize 128Kb (16K x 8)
MemoryInterface SPI
ClockFrequency 20 MHz
WriteCycleTime-WordPage 4ms
Voltage-Supply 2.5V ~ 5.5V
OperatingTemperature -40°C ~ 145°C (TA)
MountingType Surface Mount
Package/Case 8-TSSOP (0.173, 4.40mm Width)

Vue d'ensemble

Description

The M95128-DWDW4TP/K is a 128-kilobit serial EEPROM (non-volatile memory) from Macron. It stores data that must survive power cycles and is accessed by a microcontroller via SPI.
Key points:
- Organization: about 16,384 × 8 (16 KB).
- Interface: SPI (CS, SCK, SI, SO) with optional WP (write protect) and HOLD pins.
- Operations: standard SPI memory commands (READ, WRITE, WRITE ENABLE/WRDI) and a STATUS REGISTER (including a WIP bit).
- Features: low-power operation, non-volatile data retention, hardware write protection options.
- Applications: firmware/configuration/calibration data storage, boot/config data for embedded systems.
- Package: 8-pin device in common small-outline/package markings M95128-DWDW4TP/K; temperature/voltage grades follow datasheet (e.g., commercial/industrial).
For exact electrical characteristics (supply voltage, clock frequency, endurance, timing, and page/write behavior), refer to the M95128-DWDW4TP/K datasheet.

Features

M95128-DWDW4TP/K features (concise):
- 128 Kbit Serial EEPROM (16 Kbyte) with SPI interface (4-wire: MOSI, MISO, SCLK, CS).
- Supply voltage: 2.7–5.5 V; operating temperature typically -40°C to +85°C (industrial).
- 8-pin package; hardware write protection via /WP pin.
- Memory organization: 16,384 x 8 with 14-bit address space.
- Page write: typically 16-byte page writes; supports Read, Fast Read, and sequential reads.
- Write operations protected by Write Enable (WEL) and can be disabled with Write Disable; status register includes WIP (write in progress) bit.
- Endurance typically 1,000,000 write cycles; data retention around 100 years.
- Low power: active, standby, and optional deep power-down modes.
- Applications: small storage for microcontrollers and embedded systems requiring reliable non-volatile storage.
Note: exact clock rate and some command opcodes vary by device revision; SPI speeds are in the tens of MHz range depending on supply and conditions.

Package

An 8-pin Small-Outline package (SO-8), i.e., an 8-pin SOP in the DW package family.

Pinout

- Pin count: 8 pins (8-pin package).
- Function: 128 Kbit (16 KB) serial I2C EEPROM. Provides non-volatile storage accessible over the two-wire I2C bus (SDA, SCL) with three address inputs (A0–A2) and a Write Protect (WP) pin. Suitable for storing small data such as configuration or calibration.

Manufacturer

Manufacturer: STMicroelectronics (ST).
What kind of company: A global semiconductor company that designs and manufactures integrated circuits and electronic components for automotive, industrial, consumer, and other markets.

Application

128-Kbit I2C serial EEPROM. Used to store non-volatile data in embedded systems: configuration and calibration data, device IDs/serial numbers, firmware/boot parameters, small lookup tables, and event logs. Typical applications include automotive ECUs, consumer electronics, printers, networking/telecom gear, industrial automation, and medical devices where persistent small data is required.

Equivalent

Equivalent I2C 128Kbit serial EEPROMs:
- 24C128 (NXP/Philips)
- 24AA128 / 24LC128 (Microchip)
- AT24C128A (Atmel/Microchip)
- CAT24C128 (ON Semiconductor)
- FM24C128 (Fudan Microelectronics)
Note: check exact package, temperature range, and timing to ensure full cross-compatibility.

Expédition

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Référence des frais d'expédition (DHL/FedEx):

DHL: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 2 à 5 jours ouvrables.

FedEx: Les frais d'expédition varient de 25 à 40 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

UPS: Les frais d'expédition vont de 25 à 45 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

TNT: Les frais d'expédition varient de 25 à 65 $ (0,5 kg), avec un délai de livraison estimé de 3 à 7 jours ouvrables.

EMS: Les frais d'expédition varient de 30 à 50 $ (0,5 kg), avec un délai de livraison estimé de 7 à 15 jours ouvrables.

Courrier aérien enregistré: Le coût d'expédition est de 2 à 4 $ (0,1 kg), avec un délai de livraison estimé de 5 à 20 jours ouvrables.

Paiements

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