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參數(shù)資料
| 型號： | SST49LF080A-33-4C-WH |
| 廠商： | SILICON STORAGE TECHNOLOGY INC |
| 元件分類： | PROM |
| 英文描述： | 8 Mbit LPC Flash |
| 中文描述： | 1M X 8 FLASH 3V PROM, 11 ns, PDSO32 |
| 封裝： | 8 X 14 MM, MO-142BA, TSOP1-32 |
| 文件頁數(shù)： | 12/49頁 |
| 文件大?。?/td> | 579K |
| 代理商： | SST49LF080A-33-4C-WH |
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12
Data Sheet
8 Mbit LPC Flash
SST49LF080A
2003 Silicon Storage Technology, Inc.
S71235-00-000
4/03
FIGURE 4: LPC R
EAD
C
YCLE
W
AVEFORM
TABLE
5: LPC R
EAD
C
YCLE
Clock
Cycle
1
Field
Name
START
Field Contents
LAD[3:0]
1
0000
LAD[3:0]
Direction
IN
Comments
LFRAME# must be active (low) for the part to respond. Only the
last start field (before LFRAME# transitions high) should be rec-
ognized.
Indicates the type of cycle. Bits 3:2 must be “01b” for memory cycle.
Bit 1 indicates the type of transfer “0” for Read. Bit 0 is reserved.
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 fist. See Table
3 for address bits definition and Table 4 for valid memory
address range.
In this clock cycle, the host has driven the bus to all 1s and then
floats the bus. This is the first part of the bus “turnaround cycle.”
The SST49LF080A takes control of the bus during this cycle
2
CYCTYPE
+ DIR
ADDRESS
010X
IN
3-10
YYYY
IN
11
TAR0
1111
IN
then Float
Float
then OUT
OUT
12
TAR1
1111 (float)
13
SYNC
0000
The SST49LF080A outputs the value 0000b indicating that data
will be available during the next clock cycle.
This field is the least-significant nibble of the data byte.
This field is the most-significant nibble of the data byte.
In this clock cycle, the host has driven the bus to all 1s and then
floats the bus. This is the first part of the bus “turnaround cycle.”
The SST49LF080A takes control of the bus during this cycle
14
15
16
DATA
DATA
TAR0
ZZZZ
ZZZZ
1111
OUT
OUT
IN
then Float
Float
then OUT
17
TAR1
1111 (float)
T5.0 1235
1. Field contents are valid on the rising edge of the present clock cycle.
1235 F04.0
LCLK
CE#
LFRAME#
LAD[3:0]
0000b
010Xb
A[23:20]
A[19:16]
A[3:0]
A[7:4]
A[11:8]
A[15:12]
1111b
Tri-State
2 Clocks
TAR0
Load Address in 8 Clocks
Address
1 Clock 1 Clock
Start
CY+
DIR
TAR
1 Clock
Sync
Data
Data Out 2 Clocks
0000b
D[7:4]
D[3:0]
A[31:28] A[27:24]
TAR1
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相關(guān)代理商/技術(shù)參數(shù) |
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| SST49LF080A-33-4C-WHE | 功能描述:閃存 1M X 8 33MHz RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| SST49LF080A-33-4C-WHE-T | 功能描述:閃存 3.0 to 3.6V 8Mbit LPC Firmware 閃存 RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
| SST49LF160C | 制造商:SST 制造商全稱:Silicon Storage Technology, Inc 功能描述:16 Mbit LPC Flash |
| SST49LF160C334CNHE | 制造商:Microchip Technology Inc 功能描述: |
| SST49LF160C-33-4C-NHE | 功能描述:閃存 16M (2Mx8) 33MHz 3.0-3.6V Commercial RoHS:否 制造商:ON Semiconductor 數(shù)據(jù)總線寬度:1 bit 存儲類型:Flash 存儲容量:2 MB 結(jié)構(gòu):256 K x 8 定時類型: 接口類型:SPI 訪問時間: 電源電壓-最大:3.6 V 電源電壓-最小:2.3 V 最大工作電流:15 mA 工作溫度:- 40 C to + 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體: 封裝:Reel |
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