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参数资料
| 型号： | DS2502/T&R/SL |
| 厂商： | Maxim Integrated |
| 文件页数： | 22/24页 |
| 文件大小： | 0K |
| 描述： | IC OTP 1KBIT TO92-3 |
| 标准包装： | 2,000 |
| 格式 - 存储器： | EPROMs |
| 存储器类型： | EPROM OTP |
| 存储容量： | 1K（1K x 1） |
| 接口： | 1 线 串行 |
| 工作温度： | -40°C ~ 85°C |
| 封装/外壳： | TO-226-3、TO-92-3（TO-226AA）成形引线 |
| 供应商设备封装： | TO-92-3 |
| 包装： | 带卷 (TR) |
NOTES:
1. All voltages are referenced to ground.
DS2502
2. V PUP = 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 μ s of this falling edge and will remain valid for 14 μs minimum. (15
μs total from falling edge on 1-Wire bus.)
6. V IH is a function of the external pullup resistor and the pull-up voltage.
7. 30 nanocoulombs per 72 time slots @ 5.0V.
8. At V CC =5.0V with a 5 k ? pullup to V CC and a maximum time slot of 120 μs.
9. Capacitance on the data pin could be 800 pF when power is first applied. If a 5 k ? resistor is used to
pullup the data line to V CC , 5 μs after power has been applied the parasite capacitance will not affect
normal communications.
10. Maximum 1-Wire voltage for programming parameters is 11.5V to 12.0V; temperature range is -40°C
to +50°C.
11. Under certain low-voltage conditions V ILMAX may have to be reduced to as much as 0.5V to always
guarantee a presence pulse.
12. The accumulative duration of the programming pulses for each address must not exceed 5 ms.
13. IC operation and 1-wire communication is valid at V PUP =2.5V or higher, but EPROM data read is
only valid when V PUP =2.8V or higher.
14. Reset low pulse on DQ must be preceded by a valid t REC recovery time above the minimum V PUP
voltage of 2.5V.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| DS2502-UN | 制造商:DALLAS 制造商全称:Dallas Semiconductor 功能描述:UniqueWare Add-Only Memory |
| DS2502-UNW | 制造商:Maxim Integrated Products 功能描述:2502-UNW |
| DS2502-UNW-112D+ | 功能描述:可擦除可编程ROM RoHS:否 制造商:Maxim Integrated 类型: 存储容量:1024 bit 组织:1 K x 1 接口类型: 工作电流:5 uA 编程电压: 工作电源电压:2.8 V to 6 V 最大工作温度:+ 85 C 安装风格:Through Hole 封装 / 箱体:TO-92 |
| DS2502-UNW-112F+ | 制造商:Maxim Integrated Products 功能描述:ADD ON MEMORY - Rail/Tube |
| DS2502-UNW-1161/TR | 制造商:Maxim Integrated Products 功能描述: |
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