FM25F01-DN-T-G datasheet, PDF - EEWORLD Datasheet

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FM25F01-DN-T-G: Categorystorage The FLASH memory; File Size886KB，41 Pages; ManufacturerFudan Microelectronics; Websitehttp://www.fmsh.com; In July 1998, Fudan Microelectronics was jointly founded by Fudan University's "National Key Laboratory of ASICs and Systems", Shanghai Commercial Investment Company and a group of entrepreneurs who dreamed of creating the best integrated circuit design company (chip design) in China. Since its establishment, the company has successfully established a pivotal position in the domestic integrated circuit design industry. The company was listed in Hong Kong on August 4, 2000 (stock code: 1385), becoming the first listed company in the domestic integrated circuit design industry. Today, Fudan Microelectronics has grown from more than 10 entrepreneurs to a company with more than 600 employees, with users all over the world. The company has attracted the attention of domestic and foreign peers with its excellent management, good development potential and outstanding performance. In 2011, Fudan Microelectronics was selected as the "Best Small and Medium-sized Listed Company" by the editors of Forbes Asia magazine.

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FM25F01

1M-BIT SERIAL FLASH MEMORY

Datasheet

Oct. 2016

FM25F01 1M-BIT SERIAL FLASH MEMORY

Ver. 1.5

Datasheet

INFORMATION IN THIS DOCUMENT IS INTENDED AS A REFERENCE TO ASSIST OUR CUSTOMERS IN THE SELECTION

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Trademarks

Shanghai Fudan Microelectronics Group Co., Ltd name and logo, the “复旦” logo are trademarks or registered trademarks of

Shanghai Fudan Microelectronics Group Co., Ltd or its subsidiaries in China.

FM25F01 1M-BIT SERIAL FLASH MEMORY

Ver. 1.5

Datasheet

Pin Descriptions

Serial Clock (CLK):

The SPI Serial Clock Input (CLK) pin provides the timing for serial input and

output operations.

Serial Data Input, Output and I/Os (DI, DO and DQ

, DQ

The FM25F01 supports standard

SPI and Dual SPI operation. Standard SPI instructions use the unidirectional DI (input) pin to

serially write instructions, addresses or data to the device on the rising edge of the Serial Clock

(CLK) input pin. Standard SPI also uses the unidirectional DO (output) to read data or status

from the device on the falling edge of CLK.

Dual SPI instructions use the bidirectional DQ pins to serially write instructions, addresses or

data to the device on the rising edge of CLK and read data or status from the device on the

falling edge of CLK.

Chip Select (CS#):

The SPI Chip Select (CS#) pin enables and disables device operation.

When CS# is high, the device is deselected and the Serial Data Output (DO, or DQ

, DQ

) pins

are at high impedance. When deselected, the devices power consumption will be at standby

levels unless an internal erase, program or write status register cycle is in progress. When CS#

is brought low, the device will be selected, power consumption will increase to active levels and

instructions can be written to and data read from the device. After power-up, CS# must transition

from high to low before a new instruction will be accepted. The CS# input must track the VCC

supply level at power-up (see “9 Write Protection” and Figure 25). If needed a pull-up resister on

CS# can be used to accomplish this.

HOLD (HOLD#):

The HOLD# pin allows the device to be paused while it is actively selected.

When HOLD# is brought low, while CS# is low, the DO pin will be at high impedance and signals

on the DI and CLK pins will be ignored (don’t care). When HOLD# is brought high, device

operation can resume. The HOLD# function can be useful when multiple devices are sharing the

same SPI signals. The HOLD# pin is active low.

Write Protect (WP#):

The Write Protect (WP#) pin can be used to prevent the Status Registers

from being written. Used in conjunction with the Status Register’s Block Protect (BP2, BP1 and

BP0) bits and Status Register Protect (SRP) bits, a portion as small as a 4KB sector or the entire

memory array can be hardware protected. The WP# pin is active low.

FM25F01 1M-BIT SERIAL FLASH MEMORY

Ver. 1.5

Datasheet

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