参数资料
型号: SST25VF020B-80-4I-SAE
厂商: Microchip Technology
文件页数: 4/35页
文件大小: 0K
描述: IC FLASH SER 2MB 80MHZ SPI 8SOIC
特色产品: SST Serial and Parallel Flash Memory
标准包装: 100
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: 80MHz
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: 管件
2 Mbit SPI Serial Flash
A Microchip Technology Company
SST25VF020B
Data Sheet
Pin Description
CE#
SO
1
2
8
7
VDD
HOLD#
CE#
SO
1
2
8
7
VDD
HOLD#
Top View
Top View
WP#
VSS
3
4
6
5
SCK
SI
WP#
VSS
3
4
6
5
SCK
SI
8-Lead SOIC
1417 08-soic S2A P1.0
Figure 2: Pin Assignments
Table 1: Pin Description
8-Contact WSON
1417 08-wson QA P2.0
Symbol
SCK
SI
Pin Name
Serial Clock
Serial Data Input
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.
SO
Serial Data Output To transfer data serially out of the device.
Data is shifted out on the falling edge of the serial clock.
Outputs Flash busy status during AAI Programming when reconfigured as RY/
BY# pin. See “Hardware End-of-Write Detection” on page 14 for details.
CE#
WP#
HOLD#
V DD
V SS
Chip Enable
Write Protect
Hold
Power Supply
Ground
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 reg-
ister.
To temporarily stop serial communication with SPI flash memory without reset-
ting the device.
To provide power supply voltage: 2.7-3.6V for SST25VF020B
T1.0 25054
?2012 Silicon Storage Technology, Inc.
4
DS25054A
01/12
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