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M25P05-A

STMicroelectronics
Part Number M25P05-A
Manufacturer STMicroelectronics
Description 512 Kbit/ Low Voltage/ Serial Flash Memory
Published Apr 1, 2005
Detailed Description M25P05-A 512 Kbit, Low Voltage, Serial Flash Memory With 25 MHz SPI Bus Interface FEATURES SUMMARY s 512 Kbit of Flash M...
Datasheet PDF File M25P05-A PDF File

M25P05-A
M25P05-A

Overview
M25P05-A 512 Kbit, Low Voltage, Serial Flash Memory With 25 MHz SPI Bus Interface FEATURES SUMMARY s 512 Kbit of Flash Memory s Figure 1.
Packages Page Program (up to 256 Bytes) in 1.
5ms (typical) Sector Erase (256 Kbit) in 2 s (typical) Bulk Erase (512 Kbit) in 3 s (typical) 2.
7 V to 3.
6 V Single Supply Voltage SPI Bus Compatible Serial Interface 25 MHz Clock Rate (maximum) Deep Power-down Mode 1 µA (typical) Electronic Signature (05h) More than 100,000 Erase/Program Cycles per Sector More than 20 Year Data Retention s s s s s s s s 8 1 SO8 (MN) 150 mil width s VFQFPN8 (MP) (MLP8) ENHANCED VERSION OF THE M25P05 This device is an enhanced version of the M25P05.
The enhanced features include: larger page size, shorter programming time, higher clock frequency, specific electronic signature.
December 2002 1/34 M25P05-A SUMMARY DESCRIPTION The M25P05-A is a 512 Kbit (64K 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.
The memory is organized as 2 sectors, each containing 128 pages.
Each page is 256 bytes wide.
Thus, the whole memory can be viewed as consisting of 256 pages, or 65,536 bytes.
The whole memory can be erased using the Bulk Erase instruction, or a sector at a time, using the Sector Erase instruction.
Figure 2.
Logic Diagram VCC Figure 3.
SO Connections M25P05-A S Q W VSS 1 2 3 4 8 7 6 5 AI05758B VCC HOLD C D D C S W HOLD M25P05-A Q VSS AI05757 Table 1.
Signal Names C D Q Serial Clock Serial Data Input Serial Data Output Chip Select Write Protect Hold Supply Voltage Ground S W HOLD VCC VSS 2/34 M25P05-A SIGNAL DESCRIPTION Serial Data Output (Q).
This output signal is used to transfer data serially out of the device.
Data is shifted out on the falling edge of Serial Clock (C).
Serial Data Input (D).
This input signal is used to transfer data serially into the device.
It receives instruc...


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