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参数资料
| 型号： | SST38VF6404-90-5I-B3KE |
| 厂商： | Microchip Technology |
| 文件页数： | 10/64页 |
| 文件大小： | 0K |
| 描述： | IC FLASH MPF 64MBIT 90NS 48TFBGA |
| 特色产品： | SST Serial and Parallel Flash Memory |
| 标准包装： | 480 |
| 系列： | SST38 |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | FLASH |
| 存储容量： | 64M（4M x 16） |
| 速度： | 90ns |
| 接口： | 并联 |
| 电源电压： | 2.7 V ~ 3.6 V |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 48-TFBGA |
| 供应商设备封装： | 48-TFBGA |
| 包装： | 托盘 |
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64 Mbit (x16) Advanced Multi-Purpose Flash Plus
A Microchip Technology Company
SST38VF6401 / SST38VF6402 / SST38VF6403 / SST38VF6404
Data Sheet
During the Program operation, the only valid reads are Data# Polling, Toggle Bits, and RY/BY#. During
the internal Program operation, the host is free to perform additional tasks. Any commands issued dur-
ing the internal Program operation are ignored. During the command sequence, WP# should be stati-
cally held high or low.
When programming more than a few words, SST recommends Write-Buffer Programming.
Write-Buffer Programming
The SST38VF6401/6402/6403/6404 offer Write-Buffer Programming, a feature that enables faster
effective word programming. To use this feature, write up to 16 words with the Write-to-Buffer com-
mand, then use the Program Buffer-to-Flash command to program the Write-Buffer to memory.
The Write-to-Buffer command consists of between 5 and 20 write cycles. The total number of write
cycles in the Write-to-Buffer command sequence is equal to the number of words to be written to the
buffer plus four.
The first three cycles in the command sequence tell the device that a Write-to-Buffer operation will
begin.
The fourth cycle tells the device the number of words to be written into the buffer and the block address
of these words. Specifically, the write cycle consists of a block address and a data value called the
Word Count (WC), which is the number of words to be written to the buffer minus one. If the WC is
greater than 15, the maximum buffer size minus 1, then the operation aborts.
For the fifth cycle, and all subsequent cycles of the Write-to-Buffer command, the command sequence
consists of the addresses and data of the words to be written into the buffer. All of these cycles must
have the same A 21 - A 4 address, otherwise the operation aborts. The number of Write cycles required
is equal to the number of words to be written into the Write-Buffer, which is equal to WC plus one. The
correct number of Write cycles must be issued or the operation will abort. Each Write cycle decre-
ments the Write-Buffer counter, even if two or more of the Write cycles have identical address values.
Only the final data loaded for each buffer location is held in the Write-Buffer.
Once the Write-to-Buffer command sequence is completed, the Program Buffer-to-Flash command
should be issued to program the Write-Buffer contents to the specified block in memory. The block
address (i.e. A 21 - A 15 ) in this command must match the block address in the 4th write cycle of the
Write-to-Buffer command or the operation aborts. See Table 11 for details on Write-to-Buffer and Pro-
gram-Buffer-to-Flash commands.
While issuing these command sequences, the Write-Buffer Programming Abort detection bit (DQ1)
indicates if the operation has aborted. There are several cases in which the device can abort:
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In the fourth write cycle of the Write-to-Buffer command, if the WC is greater than 15, the opera-
tion aborts.
In the fifth and all subsequent cycles of the Write-to-Buffer command, if the address values, A 21 -
A 4 , are not identical, the operation aborts.
If the number of write cycles between the fifth to the last cycle of the Write-to-Buffer command is
greater than WC +1, the operation aborts.
After completing the Write-to-Buffer command sequence, issuing any command other than the
Program Buffer-to-Flash command, aborts the operation.
Loading a block address, i.e. A 21 -A 15, in the Program Buffer-to-Flash command that does not
match the block address used in the Write-to-Buffer command aborts the operation.
?2011 Silicon Storage Technology, Inc.
10
DS-25015A
04/11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST38VF6404-90-5I-EKE | 功能描述:闪存 2.7 to 3.6V 64Mbit Parallel Adv MPF+ 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 |
| SST38VF6404B | 制造商:MICROCHIP 制造商全称:Microchip Technology 功能描述:64 Mbit (x16) Advanced Multi-Purpose Flash Plus |
| SST38VF6404B-70-5I-B3KE | 功能描述:闪存 2.7- 3.6V 64Mbit pm Parallel Advance MPF 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 |
| SST38VF6404B-70-5I-B3KE-T | 功能描述:闪存 2.7- 3.6V 64Mbit pm Parallel Advance MPF 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 |
| SST38VF6404B-70-5I-CD | 制造商:Microchip Technology Inc 功能描述:2.7 TO 3.6V 64MBIT PM PARALLEL ADVANCED MPF - Trays 制造商:Microchip Technology Inc 功能描述:IC FLASH 64MBIT 70NS 48TFBGA 制造商:Microchip Technology Inc 功能描述:2.7 - 3.6V 64Mbit pm Parallel Advance MPF |
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