PCF85263ATL/AX Tiny RTC/Calendar With Alarm Function, Battery Switch-Over, Time Stamp Input, And I2C-bus
Product Overview
The PCF85263A is a CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption with automatic switching to battery on main power loss.
Key Features
- UL Recognized Component (PCF85263ATL)
- Provides year, month, day, weekday, hours, minutes, seconds, and 100th seconds based on a 32.768 kHz quartz crystal
- Stop-watch mode for elapsed time counting (from 100th seconds to 999,999 hours)
- Two independent alarms
- Battery back-up circuit
- Watchdog timer
- Three timestamp registers
- Two independent interrupt generators plus predefined interrupts at every second, minute, or hour
- Frequency adjustment via programmable offset register
- Clock operating voltage: 0.9 V to 5.5 V
- Low current; typical 0.28 μA at VDD = 3.0 V and Tamb = 25 °C
- 400 kHz two-line I2C-bus interface (at VDD = 1.8 V to 5.5 V)
- Programmable clock output for peripheral devices (32.768 kHz, 16.384 kHz, 8.192 kHz, 4.096 kHz, 2.048 kHz, 1.024 kHz, and 1 Hz)
- Configurable oscillator circuit for a wide variety of quartzes: CL = 6 pF, CL = 7 pF, and CL = 12.5 pF
Package Options
| Part Number |
Package Type |
Description |
| PCF85263AT/A |
SO8 |
Plastic small outline package; 8 leads; body width 3.9 mm SOT96-1 |
| PCF85263ATL/A |
DFN2626-10 |
Plastic thermal enhanced extremely thin small outline package; no leads; 10 terminals; body 2.6 * 2.6 * 0.5 mm SOT1197-1 |
| PCF85263ATT/A |
TSSOP8 |
Plastic thin shrink small outline package; 8 leads; body width 3 mm SOT505-1 |
| PCF85263ATT1/A |
TSSOP10 |
Plastic thin shrink small outline package; 10 leads; body width 3 mm SOT552-1 |
| PCF85263AUK F |
WLCSP12 |
Wafer level package 12 cu pillars; body 1.19 x 0.94 x 0.22 mm with 0.25 mm pitch SOT2035-1 |
Packaging & Shipping
Standard export packaging available. Customers can choose from cartons, wooden cases, and wooden pallets according to their requirements.
Frequently Asked Questions
How to obtain the price?
We typically provide quotations within 24 hours of receiving your inquiry (excluding weekends and holidays). For urgent pricing requests, please contact us directly.
What is your delivery time?
Small batches typically ship within 7-15 days, while large batch orders may require approximately 30 days depending on order quantity and season.
What are your payment terms?
Factory pricing with 30% deposit and 70% balance payment via T/T before shipment.
What are the shipping options?
Available shipping methods include sea freight, air freight, and express delivery (EMS, UPS, DHL, TNT, FEDEX). Please confirm your preferred method before ordering.