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DS1302Z+T&R
+Lista de MateriaisIC RTC CLK/CALENDAR SER 8-SOIC
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FabricanteAnalog Devices Inc./Maxim Integrated
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Peça do Fabricante #DS1302Z+T&R
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Ficha Técnica DS1302Z+T&R DataSheet
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Pacote SOIC-8
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Especificações
| Atributo | Valor |
| Supplier | Analog Devices Inc./Maxim Integrated |
| Package / Case | Tape & Reel (TR) |
| Part Status | Obsolete |
| Type | Clock/Calendar |
| Features | Leap Year, NVSRAM, Trickle-Charger |
| Memory Size | 31B |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | 3-Wire Serial |
| Voltage - Supply | 2V ~ 5.5V |
| Voltage - Supply, Battery | 2V ~ 5.5V |
| Current - Timekeeping(Max) | 0.3µA ~ 1µA @ 2V ~ 5V |
| Operating Temperature | 0°C ~ 70°C |
| Mounting Type | Surface Mount |
Visão Geral
Description
Key features of the DS1302Z include:
1. Timekeeping: Provides seconds, minutes, hours, day, date, month, and year information, including leap-year compensation.
2. Interface: Uses a simple serial interface for communication, requiring only three data lines (I/O, SCLK, and CE).
3. Power: Operates with a dual power supply system allowing for a primary and backup source, ensuring reliability.
4. Additional Memory: Includes 31 bytes of static RAM for storing temporary data.
The DS1302Z is commonly used in embedded applications like consumer electronics, industrial systems, and any devices requiring accurate timekeeping without continuous power.
Equivalent
Features
1. Timekeeping: It maintains seconds, minutes, hours, day, date, month, and year information, with automatic leap year compensation up to 2100.
2. Communication: Uses a simple 3-wire interface for communication, making it easy to connect with microcontrollers.
3. Dual Power Supply: Supports a primary power supply and a backup battery, ensuring continuous operation in power loss situations.
4. Trickle-Charge Capability: Offers an on-chip trickle charger for rechargeable batteries or supercapacitors, extending battery life.
5. Low Power Consumption: Designed for battery-operated systems, it consumes minimal power to extend battery life.
6. Temperature Range: Operates effectively across a wide temperature range, typically from -40°C to +85°C.
7. Packaging: Available in an 8-pin SOIC package, it is suitable for space-constrained applications.
Overall, the DS1302Z+T&R is ideal for embedded systems requiring reliable timekeeping and low power consumption.
Pinout
1. VCC1: Primary power supply.
2. VCC2: Backup supply input for battery or supercapacitor.
3. GND: Ground connection.
4. CLK: Serial clock input.
5. DAT: Data input/output.
6. RST: Active-low reset signal, used to initiate data transfer.
7. NC: No connection (this pin is not used).
8. NC: No connection (this pin is not used).
The DS1302Z+T&R provides a means of timekeeping and includes a trickle-charge circuit that can be used to charge an external backup power source.
Manufacturer
Application
1. Consumer Electronics: Devices like digital clocks, watches, and smart appliances.
2. Computers and Networking: Systems needing timestamping, like routers and servers.
3. Industrial Automation: Timers and scheduling for machinery.
4. Telecommunications: Timing for data transmission and network synchronization.
5. Automotive: Timekeeping in infotainment and navigation systems.
6. IoT Devices: Time-stamped data logging for sensors and smart devices.
7. Security Systems: Time-based access control and event logs.
These applications benefit from the DS1302Z’s capability to maintain accurate time across power cycles, thanks to its battery backup support.