M25PXX
512 Kbit to 32 Mbit, Low Voltage, Serial Flash Memory
With 40 MHz or 50 MHz SPI Bus Interface
DATA BRIEF
FEATURES SUMMARY
512Kbit to 32Mbit of Flash Memory Figure 1. Packages
Page Program (up to 256 Bytes) in 1.4ms
(typical)
Sector Erase (256 Kbit or 512Kbit)
Bulk Erase (512Kbit to 32Mbit)
2.7 to 3.6V Single Supply Voltage
VDFPN8 (ME)
SPI Bus Compatible Serial Interface
8x6mm (MLP8)
40MHz to 50MHz Clock Rate (maximum)
Deep Power-down Mode 1 A (typical)
Electronic Signatures
JEDEC Standard Two-Byte Signature
(20xxh)
RES Instruction, One-Byte, Signature, for
backward compatibility
VDFPN8 (MP)
More than 100000 Erase/Program Cycles per
(MLP8)
Sector
More than 20 Year Data Retention
Table 1. Product List
Reference Part Number
M25P32
M25P16
SO16 (MF)
M25P80 300 mil width
M25Pxx M25P40
M25P20
8
M25P10-A
M25P05-A
1
SO8 (MN)
150 mil width
October 2004 1/7
For further information contact your local ST sales office. M25PXX
Figure 3. SO8 and VDFPN Connections
SUMMARY DESCRIPTION
The M25Pxx is a 512Kbit to 32Mbit (2M x 8) Serial
Flash Memory, with advanced write protection
mechanisms, accessed by a high speed SPI-com-
patible bus.
The memory can be programmed 1 to 256 bytes at
a time, using the Page Program instruction.
M25Pxx
The memory is organized as a number of sectors,
each containing 256 or 128 pages. Each page is
SV1 8
CC
256 bytes wide.
Q 2 7 HOLD
The whole memory can be erased using the Bulk
W 3 6 C
Erase instruction, or a sector at a time, using the
V 4 5 D
SS
Sector Erase instruction.
AI10259
Figure 2. Logic Diagram
V
CC
D Q
Note: 1. There is an exposed die paddle on the underside of the
MLP8 package. This is pulled, internally, to V , and
SS
C
must not be allowed to be connected to any other voltage
or signal line on the PCB.
S M25Pxx
Figure 4. SO16 Connections
W
M25Pxx
HOLD
HOLD 1 16 C
V 2 15 D
CC
DU 3 14 DU
V
SS
AI10258
DU 4 13 DU
DU 5 12 DU
DU 6 11 DU
S 7 10 V
SS
Table 2. Signal Names
Q 8 9 W
C Serial Clock
AI10260
D Serial Data Input
Note: 1. DU = Dont Use
Q Serial Data Output
Chip Select
S
W Write Protect
HOLD Hold
V
Supply Voltage
CC
V Ground
SS
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