参数资料
型号: SST25WF040-40-5I-QAE-T
厂商: Microchip Technology
文件页数: 24/36页
文件大小: 0K
描述: IC FLASH SER 4MB 40MHZ SPI 8WSON
标准包装: 2,000
系列: SST25
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 4M (512K x 8)
速度: 40MHz
接口: SPI 串行
电源电压: 1.65 V ~ 1.95 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-WDFN 裸露焊盘
供应商设备封装: 8-WSON
包装: 带卷 (TR)
512 Kbit / 1 Mbit / 2 Mbit / 4 Mbit 1.8V SPI Serial Flash
A Microchip Technology Company
SST25WF512 / SST25WF010 / SST25WF020 / SST25WF040
Data Sheet
JEDEC Read-ID
The JEDEC Read-ID instruction identifies the device as SST25WF512/010/020/040 and the manufac-
turer as SST. The device information can be read from executing the 8-bit command, 9FH. Following
the JEDEC Read-ID instruction, the 8-bit manufacturer’s ID, BFH, is output from the device. After that,
a 16-bit device ID is shifted out on the SO pin. The Device ID is assigned by the manufacturer and con-
tains the type of memory in the first byte and the memory capacity of the device in the second byte.
See Figure 23 for the instruction sequence. The JEDEC Read ID instruction is terminated by a low to
high transition on CE# at any time during data output.
CE#
MODE 3
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34
SCK
SI
MODE 0
9F
SO
HIGH IMPEDANCE
BF
25
Byte 3
MSB
MSB
1328 F23.0
Note: See Table 12 for Device ID Byte 3 value.
Figure 23: JEDEC Read-ID Sequence
Table 12: JEDEC Read-ID Data-Out for SST25WF512
Device ID
Product
SST25WF512
SST25WF010
SST25WF020
SST25WF040
Manufacturer’s ID (Byte 1)
BFH
BFH
BFH
BFH
Memory Type (Byte 2)
25H
25H
25H
25H
Memory Capacity (Byte 3)
01H
02H
03H
04H
T12.0 25016
?2011 Silicon Storage Technology, Inc.
24
DS25016A
06/11
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