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参数资料
| 型号： | SST26WF032-80-4I-QAE |
| 厂商： | SILICON STORAGE TECHNOLOGY INC |
| 元件分类： | PROM |
| 英文描述： | 32M X 1 SPI BUS SERIAL EEPROM, PDSO8 |
| 封装： | 6 X 5 MM, ROHS COMPLIANT, WSON-8 |
| 文件页数： | 14/36页 |
| 文件大小： | 1339K |
| 代理商： | SST26WF032-80-4I-QAE |
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2010 Silicon Storage Technology, Inc.
S71409-01-000
01/10
21
1.8V Serial Quad I/O (SQI) Flash Memory
SST26WF032
Advance Information
To execute a Write-Suspend operation, the host drives CE# low, sends the Write Suspend command
cycle (B0H), then drives CE# high. A cycle is two nibbles long, most significant nibble first. The Status
register indicates that the erase has been suspended by changing the WSE bit from ‘0’ to ‘1,’ but the
device will not accept another command until it is ready. To determine when the device will accept a
new command, poll the BUSY bit in the Status register or wait TWS.
Write Suspend During Page Programming
Issuing a Write-Suspend instruction during Page Programming allows the host to erase or read any
sector that is not being programmed. Erase commands pointing to the suspended sector(s) will be
ignored. Any attempt to read from the suspended page will output unknown data because the program
will be incomplete.
To execute a Write Suspend operation, the host drives CE# low, sends the Write Suspend command
cycle (B0H), then drives CE# high. A cycle is two nibbles long, most significant nibble first. The Status
register indicates that the programming has been suspended by changing the WSP bit from ‘0’ to ‘1,’
but the device will not accept another command until it is ready. To determine when the device will
accept a new command, poll the BUSY bit in the Status register or wait TWS.
Write-Resume
Write-Resume restarts a Write command that was suspended, and changes the suspend status bit in
the Status register (WSE or WSP) back to ‘0’.
To execute a Write-Resume operation, the host drives CE# low, sends the Write Resume command
cycle (30H), then drives CE# high. A cycle is two nibbles long, most significant nibble first. To deter-
mine if the internal, self-timed Write operation completed, poll the BUSY bit in the Status register, or
wait the specified time TSE, TBE or TPP for Sector-Erase, Block-Erase, or Page-Programming, respec-
tively. The total write time before suspend and after resume will not exceed the uninterrupted write
times TSE, TBE or TPP.
Read Security ID
To execute a Read Security ID (SID) operation, the host drives CE# low, sends the Read Security ID
command cycle (88H), one address cycle, and then two dummy cycles. Each cycle is two nibbles long,
most significant nibble first.
After the dummy cycles, the device outputs data on the falling edge of the SCK signal, starting from the
specified address location. The data output stream is continuous through all SID addresses until termi-
nated by a low-to-high transition on CE#. The internal address pointer automatically increments until
the last SID address is reached, then outputs 00H until CE# goes high.
Figure 19:Read SID Sequence
Address
Dummy
Command
Data Byte 0
MSN
LSN
Data Byte 1 Data Byte 2
1409 F45.0
01
2
SCK
SIO[3:0]
CE#
C1
C0
A1
A0
X
H0
X
L0
H1
L1
H2
L2
78
11
10
913
12
MODE 3
MODE 0
Note: MSN = Most Significant Nibble, LSN = Least Significant Nibble
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST26WF032-80-4I-QAE-T | 制造商:Microchip Technology Inc 功能描述:1.65 TO 1.95V 32MBIT SERIAL QUAD I/O FLASH - Tape and Reel |
| SST26WF032-80-4I-S2AE | 功能描述:闪存 1.65 to 1.95V 32Mbit Serial Quad I/O Flsh 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 |
| SST26WF032-80-4I-S2AE-T | 制造商:Microchip Technology Inc 功能描述:1.65 TO 1.95V 32MBIT SERIAL QUAD I/O FLASH - Tape and Reel |
| SST270 | 功能描述:JFET 45V 2mA RoHS:否 制造商:ON Semiconductor 晶体管极性:N-Channel 漏极电流（Vgs=0 时的 Idss）:50 mA 漏源电压 VDS:15 V 闸/源击穿电压: 漏极连续电流:50 mA 配置: 安装风格: 封装 / 箱体:SC-59 封装:Reel |
| SST270-E3 | 功能描述:JFET 45V 2mA RoHS:否 制造商:ON Semiconductor 晶体管极性:N-Channel 漏极电流（Vgs=0 时的 Idss）:50 mA 漏源电压 VDS:15 V 闸/源击穿电压: 漏极连续电流:50 mA 配置: 安装风格: 封装 / 箱体:SC-59 封装:Reel |
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