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參數(shù)資料
| 型號： | DS2890X |
| 元件分類： | 數(shù)字電位計 |
| 英文描述： | 1-Wire Digital Potentiometer |
| 中文描述： | 1 - Wire數(shù)字電位器 |
| 文件頁數(shù)： | 26/27頁 |
| 文件大?。?/td> | 939K |
| 代理商： | DS2890X |
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DS2890
26 of 27
AC ELECTRICAL CHARACTERISTICS - REGULAR 1-WIRE SPEED
2.8V
≤
V
PUP
≤
6.0V, -40
°
C
≤
T
A
≤
+85
°
C
MIN
TYP
MAX
PARAMETER
SYMBOL
UNITS
NOTES
Time Slot
t
SLOT
60
120
μs
Write 1 Low Time
t
LOW1
t
LOW0
t
LOWR
t
RDV
t
RELEASE
t
SU
t
REC
1
15
μs
Write 0 Low Time
60
120
μs
Read Low Time
1
15
μs
Read Data Valid
15
μs
1
Release Time
0
15
45
μs
Read Data Setup
1
μs
2
Recovery Time
1
μs
Reset High Time
t
RSTH
t
RSTL
t
PDH
t
PDL
480
μs
3
Reset Low Time
480
μs
4
Presence Detect High
15
60
μs
Presence Detect Low
60
240
μs
NOTES:
1.
The optimal sampling point for the master is as close as possible to the end time of the 15
μ
s t
RDV
period without exceeding t
RDV
. For the case of a Read-one time slot, this maximizes the amount of
time for the pull-up resistor to recover the line to a high level. For a Read-zero time slot it ensures
that a read will occur before the fastest 1-Wire device(s) release the line (t
RELEASE
= 0).
2.
Read data setup time refers to the time the host must pull the 1-Wire bus low to read a bit. Data is
guaranteed to be valid within 1 μs of this falling edge.
3.
An additional reset or communication sequence cannot begin until the reset high time (t
RSTH
) has
expired.
4.
The reset low time (t
RSTL
) should be restricted to a maximum of 960 μs, to allow interrupt signaling,
otherwise, it could mask or conceal interrupt pulses.
AC ELECTRICAL CHARACTERISTICS - OVERDRIVE 1-WIRE SPEED
2.8V
≤
V
PUP
≤
6.0V, -40
°
C
≤
T
A
≤
+85
°
C
MIN
TYP
MAX
PARAMETER
SYMBOL
UNITS
NOTES
Time Slot
t
SLOT
6
16
μs
Write 1 Low Time
t
LOW1
t
LOW0
t
LOWR
t
RDV
t
RELEASE
t
SU
1
2
μs
Write 0 Low Time
6
16
μs
Read Low Time
1
2
μs
Read Data Valid
2
μs
9
Release Time
0
1.5
4
μs
Read Data Setup
1
μs
4
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
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| DS2890X-000 | 功能描述:IC POT DIGITAL 1-WIRE 100K CSP RoHS:否 類別:集成電路 (IC) >> 數(shù)據(jù)采集 - 數(shù)字電位器 系列:- 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標準包裝:2,500 系列:- 接片:32 電阻（歐姆）:50k 電路數(shù):1 溫度系數(shù):標準值 50 ppm/°C 存儲器類型:易失 接口:3 線串行（芯片選擇，遞增，增/減） 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:SOT-23-6 細型，TSOT-23-6 供應(yīng)商設(shè)備封裝:TSOT-23-6 包裝:帶卷 (TR) |
| DS28CM00 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:IC/SMBus Silicon Serial Number |
| DS28CM00EVKIT | 制造商:Maxim Integrated Products 功能描述:DS28CM00 EV-BOARD W/ MAXQ BOARD - Rail/Tube |
| DS28CM00R-A00+T | 功能描述:序列號注冊 I2C/SMBus Silicon Serial Number RoHS:否 制造商:Maxim Integrated 數(shù)據(jù)總線寬度: 電源電壓-最大: 電源電壓-最小: 最大工作溫度: 最小工作溫度: 安裝風(fēng)格: 封裝 / 箱體: |
| DS28CM00R-A00+U | 制造商:Maxim Integrated Products 功能描述:SMBUS SILICON SERIAL NUMBER 制造商:Maxim Integrated Products 功能描述:SMBUS INTRFC 5PIN SOT-23 - Rail/Tube 制造商:Maxim Integrated Products 功能描述:SILICON SERIAL NUMBER, 5-SOT23 制造商:Maxim Integrated Products 功能描述:SILICON SERIAL NUMBER, 5-SOT23, IC Function:Silicon Serial Number IC, Brief Feat |
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