2 Mbit SPI Serial Flash
A Microchip Technology Company
SST25VF020
Not Recommended for New Designs
Read-ID
The Read-ID instruction identifies the device as SST25VF020 and manufacturer as SST. The device
information can be read from executing an 8-bit command, 90H or ABH, followed by address bits [A 23 -
A 0 ]. Following the Read-ID instruction, the manufacturer’s ID is located in address 00000H and the
device ID is located in address 00001H. Once the device is in Read-ID mode, the manufacturer’s and
device ID output data toggles between address 00000H and 00001H until terminated by a low to high
transition on CE#.
Table 6: Product Identification
Address
Data
Manufacturer’s ID
Device ID
SST25VF020
00000H
00001H
BFH
43H
T6.0 25078
CE#
MODE 3
0 1 2 3 4 5 6 7 8
15 16
23 24
31 32
39 40
47 48
55 56
63
SCK
MODE 0
SI
MSB
90 or AB
00
00
ADD 1
MSB
HIGH
SO
HIGH IMPEDANCE
BF
Device ID
BF
Device ID
IMPEDANCE
MSB
Note: The manufacturer s and device ID output stream is continuous until terminated by a low to high transition on CE#.
1. 00H will output the manfacturer s ID first and 01H will output device ID first before toggling between the two.
1231 F14.1
Figure 15: Read-ID Sequence
?2011 Silicon Storage Technology, Inc.
17
DS25078A
11/11
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相关代理商/技术参数
SST25VF020-20-4C-S2AE 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:2 Mbit / 4 Mbit SPI Serial Flash
SST25VF020204CSA 制造商:Silicon Storage Technology (SST) 功能描述: 制造商:SST 功能描述:
SST25VF020-20-4C-SA 功能描述:闪存 256K X 8 14 us RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
SST25VF020-20-4C-SAE 功能描述:闪存 256K X 8 14 us RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
SST25VF020-20-4C-SAE-T 功能描述:闪存 2M (256Kx8) 20MHz 2.7-3.6V Commercial RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
SST25VF020-20-4E-QA 功能描述:闪存 256K X 8 14 us RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
SST25VF020-20-4E-QAE 功能描述:闪存 256K X 8 14 us RoHS:否 制造商:ON Semiconductor 数据总线宽度:1 bit 存储类型:Flash 存储容量:2 MB 结构:256 K x 8 定时类型: 接口类型:SPI 访问时间: 电源电压-最大:3.6 V 电源电压-最小:2.3 V 最大工作电流:15 mA 工作温度:- 40 C to + 85 C 安装风格:SMD/SMT 封装 / 箱体: 封装:Reel
SST25VF020-20-4E-S2AE 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:2 Mbit / 4 Mbit SPI Serial Flash