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參數資料
| 型號： | DS2433S |
| 廠商： | DALLAS SEMICONDUCTOR |
| 元件分類： | Programmable ROM |
| 英文描述： | 512 X 8 1-WIRE SERIAL EEPROM, PDSO8 |
| 文件頁數： | 11/19頁 |
| 文件大小： | 457K |
| 代理商： | DS2433S |
DS2433
19 of 19
AC ELECTRICAL CHARACTERISTICS
OVERDRIVE SPEED
(VPUP=2.8V to 6.0V;-40
°C to +85°C)
PARAMETER
SYMBOL
MIN
TYP
MAX
UNITS
NOTES
Time Slot
tSLOT
6
16
s
Write 1 Low Time
tLOW1
1
2
s
Write 0 Low Time
tLOW0
6
16
s
Read Low Time
tLOWR
1
2
s
Read Data Valid
tRDV
exactly 2
s
Release Time
tRELEASE
0
1.5
4
s
Read Data Setup
tSU
1
s
5
Recovery Time
tREC
1
s
Reset Time High
tRSTH
48
s
4
Reset Time Low
tRSTL
48
80
s
Presence Detect High
tPDHIGH
2
6
s
Presence Detect Low
tPDLOW
8
24
s
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
s of this falling edge.
6. Capacitance on the data pin could be 800 pF when power is first applied. If a 5 k
resistor is used to
pull up the data line to VPUP, 5
s after power has been applied the parasite capacitance will not affect
normal communications.
7. The reset low time (tRSTL) should be restricted to a maximum of 960
s, to allow interrupt signaling,
otherwise, it could mask or conceal interrupt pulses.
8. VIH is a function of the external pullup resistor and VPUP.
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 5 ms maximum during which the voltage on the 1-Wire bus must not fall
below 2.8V.
11. During the execution of the Copy Scratchpad command the DS2433 automatically erases the memory
locations to be written to. No extra steps need to be taken by the bus master.
相關PDF資料 |
PDF描述 |
|---|---|
| DS2434S | SPECIALTY MEMORY CIRCUIT, PDSO16 |
| DS2434 | SPECIALTY MEMORY CIRCUIT, PBCY3 |
| DS2435 | SPECIALTY MEMORY CIRCUIT, PBCY3 |
| DS2436B | SPECIALTY MEMORY CIRCUIT, PBCY3 |
| DS2436Z | SPECIALTY MEMORY CIRCUIT, PDSO8 |
相關代理商/技術參數 |
參數描述 |
|---|---|
| DS2433S/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 數據保留: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| DS2433S/TR | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:EEPROM |
| DS2433S+ | 功能描述:電可擦除可編程只讀存儲器 4Kb 1-Wire 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 數據保留: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
| DS2433S+T&R | 制造商:Maxim Integrated Products 功能描述:EEPROM 制造商:Maxim Integrated Products 功能描述:IC EEPROM 4KBIT 8SO |
| DS2433S+T&R | 功能描述:電可擦除可編程只讀存儲器 4Kb 1-Wire 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 數據保留: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 安裝風格:SMD/SMT 封裝 / 箱體:SOIC-8 |
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