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参数资料
| 型号： | DS2433G+T&R |
| 厂商： | Maxim Integrated |
| 文件页数： | 21/23页 |
| 文件大小： | 0K |
| 描述： | IC EEPROM 4KBIT 2SFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS |
| 标准包装： | 2,500 |
| 格式 - 存储器： | EEPROMs - 串行 |
| 存储器类型： | EEPROM |
| 存储容量： | 4K (256 x 16) |
| 接口： | 1 线 串行 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | 2-SFN |
| 供应商设备封装： | 2-SFN（6x6） |
| 包装： | 带卷 (TR) |
DS2433
AC ELECTRICAL CHARACTERISTICS—OVERDRIVE SPEED
( T A = -40 ? C to +85 ? C. )
PARAMETER
Time Slot
Write 1 Low Time
Write 0 Low Time
Read Low Time
Read Data Valid
Release Time
Read Data Setup
SYMBOL
t SLOT
t LOW1
t LOW0
t LOWR
t RDV
t RELEASE
t SU
MIN
6
1
6
1
0
TYP
2
1.5
MAX
16
2
16
2
4
1
UNITS
? s
? s
? s
? s
? s
? s
? s
NOTES
8
8
9
10
Recovery Time
t REC
1
? s
Reset Time High
t RSTH
48
? s
11
Reset Time Low
Presence Detect High
Presence Detect Low
t RSTL
t PDHIGH
t PDLOW
48
2
8
80
6
24
? s
? s
? s
NOTES:
1)
2)
3)
4)
5)
V PUP = external pullup voltage. See Figure 8.
All voltages are referenced to ground.
V IH is a function of the external pullup resistor and V PUP .
Input load is to ground.
The Copy Scratchpad takes 5ms maximum during which the voltage on the 1-Wire bus must not fall
below 2.8V.
6) Capacitance on the data pin could be 800pF when power is first applied. If a 5k ?? resistor is used to
pull up the data line to V PUP , 5 ? s after power has been applied the parasite capacitance will not affect
normal communications.
7) 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.
8) The duration of the low pulse sent by the master should be a minimum of 1 μ s 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.
9) The optimal sampling point for the master is as close as possible to the end time of the t RDV period
without exceeding t RDV . 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 device(s) release the line.
10) 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.
11) An additional reset or communication sequence cannot begin until the reset high time has expired.
12) The reset low time (t RSTL ) should be restricted to a maximum of 960 ? s, to allow interrupt signaling,
otherwise, it could mask or conceal interrupt pulses.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2433S | 功能描述:电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| DS2433S/T&R | 功能描述:电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 |
| DS2433S/TR | 制造商:未知厂家 制造商全称:未知厂家 功能描述:EEPROM |
| DS2433S+ | 功能描述:电可擦除可编程只读存储器 4Kb 1-Wire 电可擦除可编程只读存储器 RoHS:否 制造商:Atmel 存储容量:2 Kbit 组织:256 B x 8 数据保留:100 yr 最大时钟频率:1000 KHz 最大工作电流:6 uA 工作电源电压:1.7 V to 5.5 V 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体: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 |
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