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参数资料
| 型号： | SST49LF080A-33-4C-NHE-T |
| 厂商： | Microchip Technology |
| 文件页数： | 12/50页 |
| 文件大小： | 0K |
| 描述： | IC FLASH SER LPC 8MBIT 32PLCC |
| 标准包装： | 750 |
| 系列： | SST49 |
| 格式 - 存储器： | 闪存 |
| 存储器类型： | FLASH |
| 存储容量： | 8M（1M x 8） |
| 速度： | 33MHz |
| 接口： | 并联 |
| 电源电压： | 3 V ~ 3.6 V |
| 工作温度： | 0°C ~ 85°C |
| 封装/外壳： | 32-LCC（J 形引线） |
| 供应商设备封装： | 32-PLCC |
| 包装： | 带卷 (TR) |
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8 Mbit LPC Flash
A Microchip Technology Company
SST49LF080A
Data Sheet
Table 6: LPC Write Cycle
Field
Clock
Field
Contents
LAD[3:0]
Cycle
1
Name
START
LAD[3:0] 1
0000
Direction
IN
Comments
LFRAME# must be active (low) for the part to
respond. Only the last start field (before
LFRAME# transitions high) should be recog-
nized.
2
CYCTYPE
011X
IN
Indicates the type of cycle. Bits 3:2 must be
+ DIR
“01b” for memory cycle. Bit 1 indicates the
type of transfer “1” for Write. Bit 0 is reserved.
3-10
ADDRESS
YYYY
IN
Address Phase for Memory Cycle. LPC protocol
supports a 32-bit address phase. YYYY is one
nibble of the entire address. Addresses are
transferred most-significant nibble first. See
Table 3 for address bits definition and Table 4 for
valid memory address range.
11
DATA
ZZZZ
IN
This field is the least-significant nibble of the data
byte.
12
DATA
ZZZZ
IN
This field is the most-significant nibble of the
data byte.
13
TAR0
1111
IN then Float
In this clock cycle, the host has driven the bus to
all ‘1’s and then floats the bus. This is the first
part of the bus “turnaround cycle.”
14
TAR1
1111 (float)
Float then
The SST49LF080A takes control of the bus dur-
OUT
ing this cycle.
15
SYNC
0000
OUT
The SST49LF080A outputs the values 0000, indicat-
ing that it has received data or a flash command.
16
TAR0
1111
OUT then
In this clock cycle, the SST49LF080A has driven
Float
the bus to all ‘1’s and then floats the bus. This is
the first part of the bus “turnaround cycle.”
17
TAR1
1111 (float)
Float then IN
Host resumes control of the bus during this cycle.
T6.0 25026
1. Field contents are valid on the rising edge of the present clock cycle.
CE#
LCLK
LFRAME#
Start
CYCTYPE
+
DIR
Address
Data
Data
TAR0
TAR1
Sync
LAD[3:0]
0000b
011Xb
A[31:28] A[27:24] A[23:20] A[19:16] A[15:12] A[11:8]
A[7:4]
A[3:0]
D[3:0]
D[7:4]
1111b
Tri-State
0000b
TAR
1 Clock 1 Clock
Load Address in 8 Clocks
Load Data in 2 Clocks
2 Clocks
1 Clock
1235 F05.0
Figure 6: LPC Write Cycle Waveform
?2011 Silicon Storage Technology, Inc.
12
DS25086A
11/11
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相关代理商/技术参数 |
参数描述 |
|---|---|
| SST49LF080A-33-4C-WH | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:8 Mbit LPC Flash |
| SST49LF080A-33-4C-WHE | 功能描述:闪存 1M X 8 33MHz 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 |
| SST49LF080A-33-4C-WHE-T | 功能描述:闪存 3.0 to 3.6V 8Mbit LPC Firmware 闪存 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 |
| SST49LF160C | 制造商:SST 制造商全称:Silicon Storage Technology, Inc 功能描述:16 Mbit LPC Flash |
| SST49LF160C334CNHE | 制造商:Microchip Technology Inc 功能描述: |
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