PCF8563
Real-Time Clock/CalendarThe PCF8563 is a real-time clock/calendar from NXP Semiconductors. View the full PCF8563 datasheet below including key specifications.
Official PCF8563 datasheet (PDF) — the source this page was extracted from.
PCF8563 Key Specifications
| Parameter | Value |
|---|---|
| Low backup current | typical 0.25 μA at VDD = 3.0 V and Tamb = 25 °C |
| I2C-bus interface speed | 400 kHz (at VDD = 1.8 V to 5.5 V) |
| Programmable clock output frequencies | 32.768 kHz, 1.024 kHz, 32 Hz, 1 Hz |
| I2C-bus target address | read A3h, write A2h |
PCF8563 Overview
Part: PCF8563
Type: Real-Time Clock/Calendar
Description: A CMOS Real-Time Clock (RTC) and calendar optimized for low power consumption, providing year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal, with a 400 kHz I2C-bus interface and clock operating voltage from 1.0 V to 5.5 V.
Operating Conditions:
- Supply voltage: 1.0 V to 5.5 V at room temperature
- I2C-bus speed: 400 kbit/s
- Oscillator frequency: 32.768 kHz
Key Specs:
- Low backup current: typical 0.25 μA at VDD = 3.0 V and Tamb = 25 °C
- I2C-bus interface speed: 400 kHz (at VDD = 1.8 V to 5.5 V)
- Programmable clock output frequencies: 32.768 kHz, 1.024 kHz, 32 Hz, 1 Hz
- I2C-bus target address: read A3h, write A2h
- Timekeeping elements: Year, Month, Day, Weekday, Hours, Minutes, Seconds
- Data format: Binary Coded Decimal (BCD) for time and date registers
Features:
- Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
- Century flag
- Clock operating voltage: 1.0 V to 5.5 V at room temperature
- Low backup current; typical 0.25 μA at VDD = 3.0 V and Tamb = 25 °C
- 400 kHz two-wire I2C-bus interface (at VDD = 1.8 V to 5.5 V)
- Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz)
- Alarm and timer functions
- Integrated oscillator capacitor
- Internal Power-On Reset (POR)
- I2C-bus target address: read A3h and write A2h
- Open-drain interrupt pin
Applications:
- Mobile telephones
- Portable instruments
- Electronic metering
- Battery-powered products
Package:
- HVSON10 (10 terminals; body 3 × 3 × 0.85 mm)
- SO8 (8 leads; body width 3.9 mm)
- TSSOP8 (8 leads; body width 3 mm)
PCF8563 Features
- Provides year, month, day, weekday, hours, minutes, and seconds based on a 32.768 kHz quartz crystal
- Century flag
- Clock operating voltage: 1.0 V to 5.5 V at room temperature
- Low backup current; typical 0.25 μA at VDD = 3.0 V and Tamb = 25 °C
- 400 kHz two-wire I 2 C-bus interface (at VDD = 1.8 V to 5.5 V)
- Programmable clock output for peripheral devices (32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz)
- Alarm and timer functions
- Integrated oscillator capacitor
- Internal Power-On Reset (POR)
- I 2 C-bus target address: read A3h and write A2h
- Open-drain interrupt pin
Real-Time Clock/Calendar
PCF8563 Applications
- Mobile telephones
- Portable instruments
- Electronic metering
- Battery-powered products
Real-Time Clock/Calendar
PCF8563 Pin Configuration
Table 3 provides detailed description of various pins on PCF8563.
PCF8563 Typical Application
Figure 28 shows the detailed application diagram for PCF8563.
PCF8563 Package Information
| OUTLINE VERSION | REFERENCES | REFERENCES | REFERENCES | EUROPEAN | ISSUE DATE |
|---|---|---|---|---|---|
| IEC | JEDEC | JEITA | PROJECTION | ||
| SOT650-1 | - - - | MO-229 | - - - | 01-01-22 02-02-08 |
Real-Time Clock/Calendar
| UNIT | A max. | A 1 | A 2 | A 3 | b p | c | D (1) | E (2) | e | H E | L | L p | Q | v | w | y | (1) Z | θ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 1.75 | 0.25 0.10 | 1.45 1.25 | 0.25 | 0.49 0.36 | 0.25 0.19 | 5.0 4.8 | 4.0 3.8 | 1.27 | 6.2 5.8 | 1.05 | 1.0 0.4 | 0.7 0.6 | 0.25 | 0.25 | 0.1 | 0.7 0.3 | 8 o |
| inches | 0.069 | 0.010 0.004 | 0.057 0.049 | 0.01 | 0.019 0.014 | 0.0100 0.0075 | 0.20 0.19 | 0.16 0.15 | 0.05 | 0.244 0.228 | 0.041 | 0.039 0.016 | 0.028 0.024 | 0.01 | 0.01 | 0.004 | 0.028 0.012 | 0 o |
| OUTLINE VERSION | REFERENCES | REFERENCES | REFERENCES | EUROPEAN PROJECTION | ISSUE DATE |
|---|---|---|---|---|---|
| OUTLINE VERSION | IEC | JEDEC | JEITA | ||
| SOT96-1 | 076E03 | MS-012 | 99-12-27 03-02-18 |
Figure 30. Package outline SOT96-1 (SO8) of PCF8563T
| UNIT | A max. | A 1 | A 2 | A 3 | b p | c | D (1) | E (2) | e | H E | L | L p | v | w | y | Z (1) | θ |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | 1.1 | 0.15 0.05 | 0.95 0.80 | 0.25 | 0.45 0.25 | 0.28 0.15 | 3.1 2.9 | 3.1 2.9 | 0.65 | 5.1 4.7 | 0.94 | 0.7 0.4 | 0.1 | 0.1 | 0.1 | 0.70 0.35 | 6° 0° |
| OUTLINE VERSION | REFERENCES | REFERENCES | REFERENCES | EUROPEAN PROJECTION | ISSUE DATE |
|---|---|---|---|---|---|
| OUTLINE VERSION | IEC | JEDEC | JEITA | ||
| SOT505-1 | 99-04-09 03-02-18 |
Figure 31. Package outline SOT505-1 (TSSOP8) of PCF8563TS
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