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M25P64

64 Mbit, low voltage, Serial Flash memory with 50 MHz SPI bus interface

STMicroelectronics 

Description

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Description

M25P64

The M25P64 is a 64 Mbit (8M x 8) Serial Flash Memory, with advanced write protection

mechanisms, accessed by a high speed SPI-compatible bus.

The memory can be programmed 1 to 256 bytes at a time, using the Page Program

instruction.

An enhanced Fast Program/Erase mode is available to speed up operations in factory

environment. The device enters this mode whenever the VPPH voltage is applied to the Write

Protect/Enhanced Program Supply Voltage pin (W/VPP).

The memory is organized as 128 sectors, each containing 256 pages. Each page is 256

bytes wide. Thus, the whole memory can be viewed as consisting of 32768 pages, or

8388608 bytes.

The whole memory can be erased using the Bulk Erase instruction, or a sector at a time,

using the Sector Erase instruction.

In order to meet environmental requirements, ST offers the M25P64 in ECOPACK®

packages. ECOPACK® packages are Lead-free and RoHS compliant.

ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.

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