PCF2127AT/1,518
IC RTC CLOCK/CALENDAR I2C 20SOManufacturer: NXP USA Inc.
Categories: Real Time Clocks
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NXP USA Inc. presents the PCF2127AT-1-518, a Real Time Clock (RTC) IC. This Clock/Calendar component offers a 2-Wire Serial (I2C) interface and operates over a voltage range of 1.8V to 4.2V, with a low timekeeping current of 1.5µA at 3.3V. Featuring 512B of integrated SRAM, it supports alarm functionality, leap year compensation, and a watchdog timer. The device also includes provisions for TCXO/Crystal and outputs a square wave. Its date format is YY-MM-DD-dd, and the time format is HH:MM:SS (12/24 hr). Supplied in a 20-SOIC package suitable for surface mounting, this component is commonly utilized in industrial automation, consumer electronics, and automotive applications. The PCF2127AT-1-518 is provided on a Tape & Reel (TR) for efficient assembly.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Features | Alarm, Leap Year, Square Wave Output, SRAM, TCXO/Crystal, Watchdog Timer |
| Packaging | Tape & Reel (TR) |
| Package / Case | 20-SOIC (0.295"", 7.50mm Width) |
| Mounting Type | Surface Mount |
| Memory Size | 512B |
| Interface | I2C, 2-Wire Serial |
| Type | Clock/Calendar |
| Operating Temperature | -40°C ~ 85°C |
| Voltage - Supply | 1.8V ~ 4.2V |
| Time Format | HH:MM:SS (12/24 hr) |
| Date Format | YY-MM-DD-dd |
| Supplier Device Package | 20-SO |
| Voltage - Supply, Battery | 1.8V ~ 4.2V |
| Current - Timekeeping (Max) | 1.5µA @ 3.3V |
| Programmable | Not Verified |