參數(shù)資料
型號: DS1993
英文描述: 1kb/4kb Memory iButton
中文描述: 1K位/4K位存儲器iButton®
文件頁數(shù): 3/17頁
文件大?。?/td> 223K
代理商: DS1993
DS1992/DS1993
Figure 1. DS199_ BLOCK DIAGRAM
3of 3
SRAM
16 PAGES of 256-
BITs (1993)
256-BIT
SCRATCHPAD
1-W
ROM
CONTROL
FUNCTION
64-BIT
LASERED
ROM
PARASITE-
POWERED
CIRCUITRY
MEMORY
FUNCTION
CONTROL
1-WIRE
PORT
3V LITHIUM
4 PAGES of 256-
BITs (1992)
Figure 2.
64-BIT LASERED ROM
MSB
LSB
8-Bit CRC Code
48-Bit Serial Number
8-Bit Family Code
(06h)1993
(08h)1992
MSB
LSB
MSB
LSB
MSB
LSB
Figure 3. 1-WIRE CRC CODE
X
0
X
1
X
2
X
3
X
4
X
5
X
6
X
7
X
8
Polynomial = X
8
+ X
5
+ X
4
+ 1
1
st
STAGE
2
nd
STAGE
3
rd
STAGE
4
th
STAGE
6
th
STAGE
5
th
STAGE
7
th
STAGE
8
th
STAGE
INPUT DATA
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DS1993L-F5+ 功能描述:iButton 1Kb/4Kb Memory iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1993L-F5-C01 功能描述:iButton RoHS:否 存儲類型:SRAM 存儲容量:512 B 組織: 工作電源電壓:3 V to 5.25 V 接口類型:1-Wire 最大工作溫度:+ 85 C 尺寸:17.35 mm x 5.89 mm 封裝 / 箱體:F5 MicroCan 制造商:Maxim Integrated
DS1994 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:4kb Plus Time Memory iButton