参数资料
型号: SST25VF020-20-4I-SAE-T
厂商: Microchip Technology
文件页数: 4/27页
文件大小: 0K
描述: IC FLASH SER 2MB 20MHZ SPI 8SOIC
标准包装: 3,300
系列: SST25
格式 - 存储器: 闪存
存储器类型: FLASH
存储容量: 2M (256K x 8)
速度: 20MHz
接口: SPI 串行
电源电压: 2.7 V ~ 3.6 V
工作温度: -40°C ~ 85°C
封装/外壳: 8-SOIC(0.154",3.90mm 宽)
供应商设备封装: 8-SOIC
包装: 带卷 (TR)
2 Mbit SPI Serial Flash
A Microchip Technology Company
SST25VF020
Not Recommended for New Designs
Pin Description
CE#
1
8
VDD
CE#
1
8
VDD
SO
WP#
VSS
2
3
4
Top View
7
6
5
HOLD#
SCK
SI
SO
WP#
VSS
2
3
4
Top View
7
6
5
HOLD#
SCK
SI
1231 08-soic P1.0
8-lead SOIC
Figure 2: Pin Assignments
Table 1: Pin Description
1231 08-wson P2.0
8-contact WSON
Symbol
SCK
SI
SO
CE#
WP#
HOLD#
Pin Name
Serial Clock
Serial Data
Input
Serial Data
Output
Chip Enable
Write Protect
Hold
Functions
To provide the timing of the serial interface.
Commands, addresses, or input data are latched on the rising edge of the clock input,
while output data is shifted out on the falling edge of the clock input.
To transfer commands, addresses, or data serially into the device.
Inputs are latched on the rising edge of the serial clock.
To transfer data serially out of the device.
Data is shifted out on the falling edge of the serial clock.
The device is enabled by a high to low transition on CE#. CE# must remain low for the
duration of any command sequence.
The Write Protect (WP#) pin is used to enable/disable BPL bit in the status register.
To temporarily stop serial communication with SPI flash memory without resetting the
device.
V DD
V SS
Power Supply To provide power supply (2.7-3.6V).
Ground
T1.0 25078
?2011 Silicon Storage Technology, Inc.
4
DS25078A
11/11
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