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參數(shù)資料
| 型號： | DS2430AP |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Programmable ROM |
| 英文描述： | 256 X 1 1-WIRE SERIAL EEPROM, PDSO6 |
| 封裝： | 3.70 X 4 MM, 1.50 MM HEIGHT, TSOC-6 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 1683K |
| 代理商： | DS2430AP |
DS2430A
16 of 16
NOTES:
1) All voltages are referenced to ground.
2) VPUP = external pullup voltage.
3) Input load is to ground.
4) An additional reset or communication sequence cannot begin until the reset high time has expired.
5) 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.
6) VIH is a function of the external pullup resistor and VPUP.
7) Capacitance on the data pin could be 800pF when power is first applied. If a 5k
Ω resistor is used to
pull up the data line to VPUP, 5μs after power has been applied the parasite capacitance will not affect
normal communications.
8) The Reset Low Time (tRSTL) should be restricted to a maximum of 960μs, to allow interrupt signaling;
otherwise it could mask or conceal interrupt pulses.
9) Under certain low voltage conditions VILMAX may have to be reduced to as much as 0.5V to always
guarantee a Presence Pulse.
10) The Copy Scratchpad takes 10ms maximum, during which the voltage on the 1-Wire bus must not fall
below 2.8V.
11) Depending on the 1-Wire communication speed and the bus load characteristics, the optimal pullup
resistor value will be in the 1.5k
Ω to 5kΩ range.
12) The optimal sampling point for the master is as close as possible to the end time of the 15μs tRDV
period without exceeding tRDV. For the case of a Read-One Time slot, this maximizes the amount of
time for the pullup resistor to recover to a high level. For a Read-Zero Time slot, it ensures that a read
will occur before the fastest 1-Wire device(s) releases the line.
13) The duration of the low pulse sent by the master should be a minimum of 1μs with a maximum value
as short as possible to allow time for the pullup resistor to recover the line to a high level before the 1-
Wire device samples in the case of a Write-One Time or before the master samples in the case of a
Read-One Time.
Not
Recommended
for
New
Design
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| DS2430A | 32 X 8 1-WIRE SERIAL EEPROM, PBCY3 |
| DS2430AX | 32 X 8 1-WIRE SERIAL EEPROM, UUC2 |
| DS2432P/T&R | 1K X 1 1-WIRE SERIAL EEPROM, PDSO6 |
| DS2432X | 1K X 1 1-WIRE SERIAL EEPROM, PBGA6 |
| DS2432P | 1K X 1 1-WIRE SERIAL EEPROM, PDSO6 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| DS2430AP R | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:256-Bit 1-Wire EEPROM |
| DS2430AP T | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:256-Bit 1-Wire EEPROM |
| DS2430AP/R | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:256-Bit 1-Wire EEPROM |
| DS2430AP/T | 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:256-Bit 1-Wire EEPROM |
| DS2430AP/T&R | 功能描述:電可擦除可編程只讀存儲器 RoHS:否 制造商:Atmel 存儲容量:2 Kbit 組織:256 B x 8 數(shù)據(jù)保留:100 yr 最大時鐘頻率:1000 KHz 最大工作電流:6 uA 工作電源電壓:1.7 V to 5.5 V 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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