DS1307：64 x 8、串行、I²C实时时钟
DS1307串行实时时钟(RTC)是一款低功耗、二-十进制编码(BCD)的时钟/日历，外加56字节NV RAM。地址与数据通过I²C接口串行传输。时钟/日历提供秒、分、时、星期、日、月和年信息。对于少于31天的月份，将自动调整月末日期，包括闰年修正。时钟格式可以是24小时或带AM/PM指示的12小时格式。DS1307内置电源检测电路，检测主电源失效时自动切换到备用电源，以保持时间、日期信息和计时。
关键特性
| DS1307：典型工作电路 |
数据手册DataSheet
| 语言 | 下载文件 | 备注 |
|---|---|---|
| 英文 | DS1307.pdf | Rev 5; 03/2015 |
关键参数
| Part Number | Interface | VSUPPLY (V) | Time Keeping Current (nA) | CL (pF) | Memory Type | Memory Size (Bytes) | Time of Day Alarms | Functions | Package/Pins | Budgetary Price |
|---|---|---|---|---|---|---|---|---|---|---|
| typ | See Notes | |||||||||
| DS1307 | I2C | 5 | 300 | 12.5 | NV SRAM | 56 | 0 | RTC |
| $1.45 @1k |
技术资料
- Tips for Writing Bulletproof Real-Time Clock Control Code
- State Machine Logic in Binary-Coded Decimal (BCD)-Formatted Real-Time Clocks
- Oscillator Design Considerations for Low-Current Applications
- Using a DS1307 with a PIC Microcontroller
- Selecting a Backup Source for Real-Time Clocks
- Using the DS32kHz with Maxim Real-Time Clocks
- Lithium Coin-Cell Batteries: Predicting an Application Lifetime
- Design Considerations for Maxim Real-Time Clocks
- Interfacing the DS1307 with an 8051-Compatible Microcontroller
- Crystal Considerations with Maxim Real-Time Clocks (RTCs)
质量和环境数据
相关产品
订购型号
| 型号 | 状况 | 推荐替代产品 | 封装 | 温度 | RoHS/无铅 |
|---|---|---|---|---|---|
| DS1307 | 停止供货 | DS1307+ | PDIP(N),；8引脚；79.7mm² | 0°C至+70°C | RoHS/无铅：否 |
| DS1307+ | 生产中 | PDIP(N),；8引脚；79.7mm² | 0°C至+70°C | RoHS/无铅：无铅 | |
| DS1307N | 停止供货 | DS1307N+ | PDIP(N),；8引脚；79.7mm² | -40°C至+85°C | RoHS/无铅：否 |
| DS1307N+ | 生产中 | PDIP(N),；8引脚；79.7mm² | -40°C至+85°C | RoHS/无铅：无铅 | |
| DS1307Z | 停止供货 | DS1307Z+ | SOIC(N),；8引脚；30.9mm² | 0°C至+70°C | RoHS/无铅：否 |
| DS1307Z+ | 生产中 | SOIC(N),；8引脚；30.9mm² | 0°C至+70°C | RoHS/无铅：无铅 | |
| DS1307Z+T&R | 生产中 | SOIC(N),；8引脚；30.9mm² | 0°C至+70°C | RoHS/无铅：无铅 | |
| DS1307Z/T&R | 停止供货 | DS1307Z+T&R | SOIC(N),；8引脚；30.9mm² | 0°C至+70°C | RoHS/无铅：否 |
| DS1307ZN | 停止供货 | DS1307ZN+ | SOIC(N),；8引脚；30.9mm² | -40°C至+85°C | RoHS/无铅：否 |
| DS1307ZN+ | 生产中 | SOIC(N),；8引脚；30.9mm² | -40°C至+85°C | RoHS/无铅：无铅 | |
| 型号 | 状况 | 推荐替代产品 | 封装：类型 引脚 占位面积封装图 编码/变更 * | 温度 | RoHS/无铅？ |
| DS1307ZN+T&R | 生产中 | SOIC(N),；8引脚；30.9mm² | -40°C至+85°C | RoHS/无铅：无铅 | |
| DS1307ZN/T&R | 停止供货 | DS1307ZN+T&R | SOIC(N),；8引脚；30.9mm² | -40°C至+85°C | RoHS/无铅：否 |
- DS1307.pdf DS1307
- DS1307.pdf DS1307
- DS1307.pdf DS1307
- Tips for Writing Bulletproof Real-Time Clock Control Code DS3234
- State Machine Logic in Binary-Coded Decimal (BCD)-Formatted Real-Time Clocks DS3234
- Oscillator Design Considerations for Low-Current Applications DS17885
- Using a DS1307 with a PIC Microcontroller DS1307
- Selecting a Backup Source for Real-Time Clocks DS3234
- Using the DS32kHz with Maxim Real-Time Clocks DS17885
- Lithium Coin-Cell Batteries: Predicting an Application Lifetime DS9034PCX
- Design Considerations for Maxim Real-Time Clocks DS3234
- Interfacing the DS1307 with an 8051-Compatible Microcontroller DS1340C
- Crystal Considerations with Maxim Real-Time Clocks (RTCs) DS3234
- DS1307.pdf DS1307
- DS1307.pdf DS1307
