01 / 产品信息
产品概述
Analog Devices DS1339C-33#T&R（实时时钟（RTC））用于系统时钟同步、时序参考与通信同步等场景。原装正品，频率精度、温漂与封装以官方 Datasheet 为准。欢迎咨询报价与现货。
- 厂商
- MAXIM
- 型号
- DS1339C-33#T&R
- 品类
- 实时时钟（RTC）
- 封装
- SOIC-16
- 包装
- 卷带
- 成色
- 全新原装
- 合规
- 符合 RoHS
- 生命周期
- 与原厂确认
- 交期 / 最小起订量
- 以报价为准
02 / 技术资料
技术参数
38 项结构与连接
- DS1339-33 2
- 3.3
- Input Leakage ILI (Note 3)
- 1 µA
- I/O Leakage ILO (Note 4)
- 1 µA
- VOL = 0.4V; VCC > VCC MIN (-3, -33); IOL (Note 4)
- 3 mA
- VOL = 0.2 (VCC); IOL (Note 4)
- 3 mA
- 2: VCC = 2.2V
- 60
- 33: VCC = 5.5V
- 200
- R1 (Note 7)
- 250 Ω
- R2
- 2000 Ω
- R3
- 4000 Ω
- Fast mode
- 400
- Standard mode
- 100
- Bus Free Time Between a STOP Fast mode
- 1.3
- and START Condition Standard mode
- 4.7
- Hold Time (Repeated) START Fast mode
- 0.6
- Condition (Note 10) Standard mode
- 4.0
- Setup Time for a Repeated Fast mode
- 0.6
- START Condition Standard mode
- 4.7
- Rise Time of Both SDA and SCL Fast mode 2
- 300
- Signals (Note 14) Standard mode 2
- 1000
- Fall Time of Both SDA and SCL Fast mode 2
- 300
- CB
- 400 pF
- I/O Capacitance (SDA, SCL) CI/O (Note 9)
- 10 pF
- Oscillator Stop Flag (OSF) Delay tOSF (Note 15)
- 100 ms
- Recovery at Power-Up tREC (Note 16)
- 2 ms
- VCC Fall Time; VPF(MAX) to VPF(MIN) tVCCF
- 300 µs
- VCC Rise Time; VPF(MIN) to VPF(MAX) tVCCR
- 0 µs
- Nominal Frequency fO
- 32 kHz
- Load Capacitance
- 6 pF
性能与环境
- Supply Voltage VCC DS1339-3
- 3.0 V
- Backup Supply Voltage
- 3.0 V
- VCC Active Current ICCA (Note 5)
- 450 µA
- VCC Standby Current (Note 6) ICCS -3: VCC = 3.3V
- 80 µA
- VBACKUP Leakage Current
- 25 nA
- VBACKUP Current EOSC = 0, SQW Off IBKOSC (Note 8)
- 400 nA
- VBACKUP Current EOSC = 0, SQW On IBKSQW (Note 8)
- 600 nA
- VBACKUP Current EOSC = 1
- 10 nA
- Series Resistance
- 50 kΩ
03 / 原厂资料
规格与文档
请使用原厂官方文档，在设计定稿前核对电气特性、封装尺寸与工作限值。
请确认当前库存、生产日期代码、包装、价格与交货条款。产品信息不构成约束性报价，最终规格以报价为准。