參數(shù)資料
型號(hào)： DS3905U-020
英文描述： Triple 128-Position Nonvolatile Digital Variable Resistor/Switch
中文描述： 三128位置非易失數(shù)字可變電阻/開(kāi)關(guān)
文件頁(yè)數(shù)： 9/11頁(yè)
文件大?。?/td> 254K
代理商： DS3905U-020
D
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
1
2
6
7
8
9
1
2
8
9
3–7
Figure 2. 2-Wire Data Transfer Protocol
SDA
SCL
t
HD:STA
t
LOW
t
HIGH
t
R
t
F
t
HD:DAT
t
SU:DAT
REPEATED
START
t
SU:STA
t
HD:STA
t
SU:STO
t
SP
STOP
START
t
BUF
Figure 3. 2-Wire AC Characteristics
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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(shù)字電位計(jì) IC RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
DS3905U-020+ 功能描述:數(shù)字電位計(jì) IC Triple 128-Position Nonvolatile RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)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(fēng)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:DGTL POTENTIOMETER 128POS 20KOHM TRIPLE 10USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC POT NV TRIPLE 128POS 10-USOP 制造商:Maxim Integrated Products 功能描述:Digital Potentiometer ICs Triple 128-Position Nonvolatile
DS3905U-020+T&R 功能描述:數(shù)字電位計(jì) IC Triple 128-Position Nonvolatile RoHS:否 制造商:Maxim Integrated 電阻:200 Ohms 溫度系數(shù):35 PPM / C 容差:25 % POT 數(shù)量:Dual 每 POT 分接頭:256 弧刷存儲(chǔ)器:Volatile 緩沖刷: 數(shù)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(fēng)格:SMD/SMT 封裝 / 箱體:TQFN-16 封裝:Reel
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