Details

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BUY MB84256A-70L-SK https://www.utsource.net/itm/p/12603228.html

Parameter	Description	Specifications
Device Type	Serial SRAM (Serial Static Random Access Memory)	256 Kbit (32K x 8)
Package Type	SOIC (Small Outline Integrated Circuit)	8-pin
Operating Voltage (Vcc)	Supply Voltage	1.7V to 3.6V
Interface	SPI (Serial Peripheral Interface)	Supports standard, fast, and dual output modes
Data Retention	Data retention time at maximum operating temperature	20 years
Temperature Range	Operating Temperature	-40掳C to +85掳C
Access Time	Maximum access time	35ns
Standby Current	Current consumption in standby mode	0.1 渭A (typical)
Active Current	Current consumption during active operation	3 mA (typical)
Write Cycle	Write cycle time	0 (non-volatile memory, no write cycle required)
Endurance	Endurance of read/write cycles	Unlimited

Instructions for Use:

1. Power Supply Connection: Connect Vcc to the supply voltage within the specified range (1.7V to 3.6V). Ensure a stable power supply to avoid data corruption.
2. Ground Connection: Connect GND pin to the system ground.
3. SPI Interface Configuration: Configure the SPI interface with appropriate settings for clock speed and mode as per your microcontroller or processor requirements.
4. Chip Select (CS): Ensure CS is used properly to select the MB84256A-70L-SK device during SPI transactions.
5. Clock Line (SCK): Connect SCK to the SPI clock line from the master device.
6. MOSI and MISO Lines: Connect MOSI (Master Out Slave In) and MISO (Master In Slave Out) lines for data transmission.
7. Initialization: Before performing any read/write operations, ensure the device is properly initialized according to the SPI protocol.
8. Data Handling: Carefully manage data integrity during transmission, especially in noisy environments.
9. Power Cycling: Avoid frequent power cycling as it may impact the lifespan of the device.
10. Storage Conditions: Store the device in recommended environmental conditions to preserve its longevity.

For detailed timing diagrams and specific SPI commands, refer to the datasheet provided by the manufacturer.

(For reference only)