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參數資料
| 型號： | DS2401Z/T&R |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Memory IC:Other |
| 英文描述： | SPECIALTY MEMORY CIRCUIT, PDSO4 |
| 封裝： | SOT-223, 4 PIN |
| 文件頁數： | 9/10頁 |
| 文件大小： | 124K |
| 代理商： | DS2401Z/T&R |
DS2401
8 of 10
READ/WRITE TIMING DIAGRAM (cont’d) Figure 6
Write-zero Time Slot
60
s ≤ t
LOW0 < tSLOT < 120
s
1
s ≤ t
REC <
∞
Read-data Time Slot
60
s ≤ t
SLOT < 120
s
1
s ≤ t
LOWR < 15
s
0
≤ t
RELEASE < 45
s
1
s ≤ t
REC <
∞
tRDV = 15
s
tSU < 1
s
CRC GENERATION
To validate the data transmitted from the DS2401, the bus master may generate a CRC value from the
data as it is received. This generated value is compared to the value stored in the last 8 bits of the
DS2401. If the two CRC values match, the transmission is error-free.
The equivalent polynomial function of this CRC is: CRC = x
8 + x5 + x4 + 1. For more details, see the
Book of DS19xx iButton Standards.
CUSTOM DS2401
Customization of a portion of the unique 48-bit serial number by the customer is available. Dallas
Semiconductor will register and assign a specific customer ID in the 12 most significant bits of the 48-bit
field. The next most significant bits are selectable by the customer as a starting value, and the least
significant bits are non-selectable and will be automatically incremented by one. Certain quantities and
conditions apply for these custom parts. Contact your Dallas Semiconductor sales representative for more
information.
RESISTOR
MASTER
DS2401
相關PDF資料 |
PDF描述 |
|---|---|
| DS2401P/T&R | SPECIALTY MEMORY CIRCUIT, PDSO6 |
| DS2401Z | SPECIALTY MEMORY CIRCUIT, PDSO4 |
| DS2401X1 | SPECIALTY MEMORY CIRCUIT, PBGA2 |
| DS2401 | SPECIALTY MEMORY CIRCUIT, PBCY3 |
| DS2401/T&R | SPECIALTY MEMORY CIRCUIT, PBCY3 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS2404 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:EconoRAM Time Chip |
| DS2404-001 | 制造商:Maxim Integrated Products 功能描述:ECONORAM/TIME, DIP16 (GENERIC) - Rail/Tube |
| DS2404-001+ | 制造商:Maxim Integrated Products 功能描述:REAL TIME CLOCK SERL 512BYTE 16PDIP - Rail/Tube |
| DS2404B | 功能描述:實時時鐘 RoHS:否 制造商:Microchip Technology 功能:Clock, Calendar. Alarm RTC 總線接口:I2C 日期格式:DW:DM:M:Y 時間格式:HH:MM:SS RTC 存儲容量:64 B 電源電壓-最大:5.5 V 電源電壓-最小:1.8 V 最大工作溫度:+ 85 C 最小工作溫度: 安裝風格:Through Hole 封裝 / 箱體:PDIP-8 封裝:Tube |
| DS2404B/T&R | 制造商:Maxim Integrated Products 功能描述:ECONORAM/TIME, SSOP16-TRL (GENERIC) - Tape and Reel |
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