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ISL1221IUZ-T
+NomenclatureIC RTC EVENT REC I2C 10MSOP
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FabricantRenesas ÉLECTRONIQUE
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Pièce fabricant #ISL1221IUZ-T
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En stock5692
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Spécifications
| Attribut | Valeur |
| Part Status | Obsolete |
| Digi Key Programmable | Not Verified |
| Type | Time Event Recorder |
| Features | Alarm, Leap Year, SRAM |
| Memory Size | 2B |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Interface | I2C, 2-Wire Serial |
| Voltage - Supply | 2.7V ~ 5.5V |
| Voltage - Supply, Battery | 1.8V ~ 5.5V |
| Current - Timekeeping (Max) | 4µA ~ 6µA @ 3V ~ 5V |
| Operating Temperature | -40°C ~ 85°C |
| Mounting Type | Surface Mount |
| Package / Case | 10-TFSOP, 10-MSOP (0.118", 3.00mm Width) |
| Supplier Device Package | 10-MSOP |
| Base Product Number | ISL1221 |
Présentation
Description
Key specifications might include input voltage range, output current capabilities, thermal performance, and protection features like over-voltage and thermal shutdown. The ISL1221IUZ-T is often used in power supply circuits, battery management systems, and other applications where reliable voltage regulation is critical.
For detailed specifications and application notes, refer to the manufacturer's datasheet or technical documentation.
Equivalent
Features
1. Accuracy: Offers ±3.0 seconds per month at 25°C, ensuring reliable timekeeping.
2. Power Supply: Operates within a voltage range of 1.8V to 5.5V, suitable for battery-operated devices.
3. Low Power Consumption: Features a low standby current, extending battery life.
4. I2C Interface: Utilizes a two-wire I2C interface for easy communication with microcontrollers.
5. Alarm Functionality: Includes programmable alarms for event-based actions.
6. Temperature Compensation: Provides temperature-compensated timekeeping for improved accuracy across temperature variations.
7. Calendar Function: Supports date and time functions, including leap-year calculations.
8. Backup Battery Input: Allows for seamless transition to battery backup during power loss.
These features make the ISL1221IUZ-T ideal for applications in consumer electronics, industrial systems, and IoT devices.
Pinout
1. VCC (Pin 1): Power supply input.
2. GND (Pin 2): Ground connection.
3. SDA (Pin 3): Serial data line for I2C communication.
4. SCL (Pin 4): Serial clock line for I2C communication.
5. IRQ (Pin 5): Interrupt output to signal events such as alarms or time updates.
6. 32KOUT (Pin 6): Output for a 32.768 kHz clock signal, useful for driving external circuits.
7. BAT (Pin 7): Backup battery input to maintain timekeeping during power loss.
8. N.C. (Pin 8): No connection; not used.
The ISL1221IUZ-T is designed for applications requiring accurate timekeeping, such as in consumer electronics, industrial devices, and automotive systems.