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PCF8563T

RTC CMOS 1.0V-5.5V I2C 400kHz SO8

PCF8563T is a CMOS Real-Time Clock/Calendar in SO8 package, operating from -40 to +85 °C, with I²C-bus interface and low power consumption.Checked against the datasheet

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Technical parameters

Datasheet-verified parameters

13 items

Parameter	Value and test conditions	Source
Package	SO8; Plastic small outline package; 8 leads; body width 3.9 mm; SOT96-1
Ambient temperature	Min: -40 °C; Max: +85 °C (Operating device)
Storage temperature	Min: -65 °C; Max: +150 °C
Supply voltage	Min: -0.5 V; Max: +6.5 V
Supply current	Min: -50 mA; Max: +50 mA
Input voltage	Min: -0.5 V; Max: +6.5 V (On pins SCL, SDA, and OSCI)
Output voltage	Min: -0.5 V; Max: +6.5 V (On pins CLKOUT and INT)
Input current	Min: -10 mA; Max: +10 mA (At any input)
Output current	Min: -10 mA; Max: +10 mA (At any output)
Total power dissipation	Max: 300 mW
Latch-up current	Max: 200 mA
Electrostatic discharge voltage	Max: ±2000 V (SO8 PCF8563T/5)
Electrostatic discharge voltage	Max: ±1500 V (SO8 PCF8563T/5)

All parameters (7)ExpandCollapse

Power
Clock operating voltage	1.0 V to 5.5 V
Low backup current	0.25 μA (Typ)
Environment and package
Ambient temperature	-40 °C to +85 °C
Package	SO8
Other
I2C-bus interface speed	400 kHz
I2C-bus target address	read A3h and write A2h
Programmable clock output	32.768 kHz, 1.024 kHz, 32 Hz, and 1 Hz

Pinout and package

Pin	Name	Function	Source
1		Oscillator input
2		Oscillator output
3		Interrupt output (open-drain; active LOW)
4		Ground
5		Serial data input and output
6		Serial clock input
7		Clock output, open-drain
8		Supply voltage

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DatasheetDatasheet · 587.9 KB · 2026-10-29

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Datasheet-verified content is extracted by AI from the manufacturer datasheet. Click a page number to view the original.