参数资料
型号: M25P32
厂商: 意法半导体
元件分类: DRAM
英文描述: 4 Mbit Uniform Sector, Serial Flash Memory
中文描述: 4兆位统一部门,串行闪存
文件页数: 6/48页
文件大小: 386K
代理商: M25P32
Summary description
M25P32
6/48
1
Summary description
The M25P32 is a 32Mbit (4M 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 V
PPH
voltage is applied to the Write
Protect/Enhanced Program Supply Voltage pin (W/V
PP
).
The memory is organized as 64 sectors, each containing 256 pages. Each page is 256
bytes wide. Thus, the whole memory can be viewed as consisting of 16384 pages, or
4,194,304 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 these devices in ECOPACK
packages. ECOPACK packages are Lead-free and RoHS compliant.
ECOPACK is an ST trademark. ECOPACK specifications are available at:
www.st.com
.
Figure 1.
Logic Diagram
Table 1.
C
Signal Names
Serial Clock
D
Serial Data Input
Q
Serial Data Output
S
Chip Select
W/V
PP
Write Protect/Enhanced Program Supply Voltage
HOLD
Hold
V
CC
Supply Voltage
V
SS
Ground
AI07483b
S
VCC
M25P32
HOLD
VSS
W/V
PP
Q
C
D
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