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DS1308U-33+T
+NomenclatureIC RTC CLK/CALENDAR I2C 8-UMAX
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FabricantAnalog Equipment GmbH / intégration Maxim
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Pièce fabricant #DS1308U-33+T
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Package MSOP-8
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En stock3726
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Spécifications
| Attribut | Valeur |
| Package / Case | Tape & Reel (TR),Cut Tape (CT) |
| Part Status | Active |
| Type | Clock/Calendar |
| Features | Leap Year, NVSRAM, Square Wave Output |
| Memory Size | 56B |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I²C, 2-Wire Serial |
| Voltage - Supply | 3V ~ 5.5V |
| Voltage - Supply, Battery | 1.3V ~ 5.5V |
| Current - Timekeeping(Max) | 125µA ~ 200µA @ 3V ~ 5.5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
Présentation
Description
Key features of the DS1308U-33+T include:
- Operates with a low supply voltage of 3.3V.
- Incorporates a battery backup to maintain timekeeping even during power failures.
- Communicates using an I2C interface, allowing easy integration with microcontrollers.
- Includes a programmable square-wave output and two time-of-day alarms.
- Compact 8-pin surface-mount package (U-DFN).
- Temperature-compensated for reliable performance across a wide temperature range.
Overall, the DS1308U-33+T is a versatile and reliable RTC solution for applications requiring accurate time and date maintenance.
Equivalent
Features
Additional features include a programmable square-wave output and a battery backup input pin to maintain timekeeping during power failures. The DS1308U-33+T also has low power consumption, making it suitable for portable applications. It comes in a small, compact package, enhancing its applicability in space-constrained designs. The device's robust design ensures reliable timekeeping performance, making it suitable for a variety of applications in consumer electronics, industrial systems, and automotive sectors.
Pinout
Here is a brief description of the pin functions:
1. VCC: Supply voltage input.
2. GND: Ground.
3. SDA: Serial data input/output for the I²C interface.
4. SCL: Serial clock input for the I²C interface.
5. SQW/OUT: Square wave or output driver pin, programmable to generate a square wave or a single output.
6. VBAT: Backup battery input, provides the power to maintain timekeeping when VCC is absent.
7. NC: No connection, unused pins.
8. NC: No connection, unused pins.
This IC is commonly used in systems requiring accurate timekeeping, such as data loggers or time-stamping applications.
Manufacturer
Application
1. Consumer Electronics: Used in devices like digital cameras, MP3 players, and home appliances to maintain accurate time and date settings.
2. Industrial Automation: Employed in systems that require precise scheduling and logging of events.
3. Computers and Servers: Facilitates time-stamping for file management and system logs.
4. Telecommunications: Maintains time synchronization in networking equipment.
5. Energy Metering: Helps in tracking usage data over time for billing purposes.
Its low power consumption and battery backup capability make it ideal for portable and remote applications.