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Name: M95640-WMN6TP
Brand: STMicroelectronics
SKU: M95640-WMN6TP
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

Any Feature, including a modified Existing Feature, that is not an Existing Feature.

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STMicroelectronics M95640-WMN6TP

Part No.:: M95640-WMN6TP

Manufacturer:: STMicroelectronics

Package:: 8-SOIC (0.154, 3.90mm Width)

Datasheet:: M95640-WMN6TP.pdf

Description:: IC EEPROM 64KBIT SPI 20MHZ 8SO

In Stock:: 3346

Quantity:: Add To Cart

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M95640-WMN6TP Specifications

Package/Case:
8-SOIC (0.154, 3.90mm Width)
Packaging:
Tape & Reel (TR),Cut Tape (CT),Digi-Reel®
Series:
-
ProductStatus:
Active
MemoryType:
Non-Volatile
MemoryFormat:
EEPROM
Technology:
EEPROM
MemorySize:
64Kb (8K x 8)
MemoryInterface:
SPI
ClockFrequency:
20 MHz
WriteCycleTime-WordPage:
5ms
AccessTime:
-
Voltage-Supply:
2.5V ~ 5.5V
OperatingTemperature:
-40°C ~ 85°C (TA)
MountingType:
Surface Mount

M95640-WMN6TP this integrated circuit is available in factory sealed anti static packs. at icwhale.com. Please read product page below detail information. including M95640-WMN6TP price, data-sheet, in-stock availability, technical difficulties. Also. Quickly Enter the access of compare listing to find out replaceable electronic parts. If you want to retrieve comprehensive data for M95640-WMN6TP to optimize the supply chain (including cross references, life-cycle, parametric, counterfeit risk, obsolescence managements forecasts), please contact to our Tech-supports team.

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M95640-WMN6TP information

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M95640-WMN6TP Typical application Circuitry

M95640-WMN6TP

The M95640-WMN6TP is a 64-Kbit serial SPI bus EEPROM (Electrically Erasable Programmable Read-Only Memory) designed for a wide range of applications requiring data storage that persists through power cycles. It offers a cost-effective solution for storing non-volatile data such as device configuration, calibration data, and firmware update logs.

Application Scenarios:

The M95640-WMN6TP is particularly useful in consumer electronics, such as wireless headphones and speakers, where it can store device settings, pairing information, and user preferences. It guarantees that this kind of data is kept around even after the device is turned off.

Parameter Features:

Key features of the M95640-WMN6TP include its 64-Kbit storage capacity, SPI interface for high-speed data transfer, wide operating voltage range (2.5V to 5.5V), and a 100,000 write/erase cycles endurance with a data retention period of over 40 years.

Circuit Connection in Wireless Headphones:

1. SPI Communication Interface: Connect the SPI bus of the M95640-WMN6TP to the microcontroller managing the headphones. This includes connecting the Serial Clock (SCK, Pin 6) to the microcontroller's corresponding SCK pin, the Serial Data Input (SI, Pin 5) to the microcontroller's MOSI pin, and the Serial Data Output (SO, Pin 2) to the microcontroller's MISO pin.

2. Chip Select (CS): The Chip Select pin (CS, Pin 1) of the M95640-WMN6TP controls the chip's activation for communication. This pin needs to be linked to one of the microcontroller's predefined GPIO pins. Activating this pin (driving it low) enables the device for communication, while deactivating it (driving it high) ends the communication session.

3. Power Supply and Ground Connections: The VCC pin (Pin 8) of the M95640-WMN6TP must be connected to a power source within its operating range (2.5V to 5.5V). The VSS pin (Pin 4) should be connected to the system's ground. Maintaining a steady power source is essential for dependable data retrieval and storage.

4. Hold and Write Protect Functionality: The Hold pin (HOLD, Pin 7) can be tied to VCC if the hold function is not needed. If used, it can be connected to a GPIO pin on the microcontroller to pause the SPI communication without resetting the sequence. The Write Protect (WP, Pin 3) pin can be connected to VCC to permanently enable writing or to a GPIO pin for controlled write protection.

Design Considerations:

- Decoupling Capacitors: Place a decoupling capacitor close to the VCC and VSS pins of the M95640-WMN6TP to stabilize the power supply and minimize noise, which is crucial for reliable EEPROM operation.

- SPI Bus Design: The SPI bus traces should be designed to minimize noise and signal degradation. This includes keeping trace lengths short and considering impedance matching, especially in environments with high electromagnetic interference (EMI).

- ESD Protection: Incorporating ESD protection on the SPI bus lines and other exposed pins of the M95640-WMN6TP can prevent damage from electrostatic discharges, enhancing device durability.

- Firmware Robustness: Implement error handling and recovery mechanisms in the microcontroller firmware to manage potential communication errors with the M95640-WMN6TP, ensuring data integrity during read/write operations.

By carefully integrating the M95640-WMN6TP into the design of wireless headphones and considering the outlined design considerations, manufacturers can provide devices with reliable, non-volatile storage for user settings and preferences, significantly enhancing user experience.

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6. What is the process for return or replacement of M95640-WMN6TP?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the M95640-WMN6TP we delivered, we will accept the replacement or return of the M95640-WMN6TP only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of M95640-WMN6TP.

(3)The PartNo is unused and only in the original unpacked packaging.

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(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations