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參數資料
| 型號： | DS3904U-020+T&R |
| 廠商： | Maxim Integrated Products |
| 文件頁數： | 11/11頁 |
| 文件大?。?/td> | 0K |
| 描述： | IC POT NV TRIPLE 128POS 8-USOP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 3,000 |
| 接片： | 128 |
| 電阻（歐姆）： | 20k |
| 電路數： | 3 |
| 溫度系數： | 標準值 123 ppm/°C |
| 存儲器類型： | 非易失 |
| 接口： | I²C（設備位址） |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 8-TSSOP，8-MSOP（0.118"，3.00mm 寬） |
| 供應商設備封裝： | 8-uMAX |
| 包裝： | 帶卷 (TR) |
DS3904/DS3905
Triple 128-Position Nonvolatile Digital
Variable Resistor/Switch
_____________________________________________________________________
9
The following bus protocol has been defined:
Data transfer can be initiated only when the bus is
not busy.
During data transfer, the data line must remain sta-
ble whenever the clock line is high. Changes in the
data line while the clock line is high are interpreted
as control signals.
Accordingly, the following bus conditions have been
defined:
Bus Not Busy: Both data and clock lines remain
high.
Start Data Transfer: A change in the state of the
data line from high to low while the clock is high
defines a start condition.
Stop Data Transfer: A change in the state of the
data line from low to high while the clock line is
high defines the stop condition.
Data Valid: The state of the data line represents
valid data when, after a start condition, the data line
is stable for the duration of the high period of the
clock signal. The data on the line can be changed
during the low period of the clock signal. There is
STOP
CONDITION
OR REPEATED
START
CONDITION
REPEATED IF MORE BYTES
ARE TRANSFERRED
ACK
START
CONDITION
ACK
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
ACKNOWLEDGEMENT
SIGNAL FROM RECEIVER
SLAVE ADDRESS
MSB
SCL
SDA
R/W
DIRECTION
BIT
12
6
7
8
9
12
8
9
3–7
Figure 2. 2-Wire Data Transfer Protocol
SDA
SCL
tHD:STA
tLOW
tHIGH
tR
tF
tHD:DAT
tSU:DAT
REPEATED
START
tSU:STA
tHD:STA
tSU:STO
tSP
STOP
START
tBUF
Figure 3. 2-Wire AC Characteristics
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相關代理商/技術參數 |
參數描述 |
|---|---|
| DS3905 | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:Triple 128-Position Nonvolatile Digital Variable Resistor/Switch |
| DS3905U-020 | 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS3905U-020/T&R | 制造商:Maxim Integrated Products 功能描述:TRIPLE NV DIG RES T&R - Tape and Reel |
| DS3905U-020/T&R | 功能描述:數字電位計 IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
| DS3905U-020+ | 功能描述:數字電位計 IC Triple 128-Position Nonvolatile RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數:35 PPM / C 容差:25 % POT 數量:Dual 每 POT 分接頭:256 弧刷存儲器:Volatile 緩沖刷: 數字接口:Serial (3-Wire, SPI) 描述/功能:Dual Volatile Low Voltage Linear Taper Digital Potentiometer 工作電源電壓:1.7 V to 5.5 V 電源電流:27 uA 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel |
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