Loads on click. Unloads when scrolled away or the tab is hidden.

Symbol & Footprint

Schematic Symbol

Open full view ↗
Loads on click. Unloads when scrolled away or the tab is hidden.

PCB Footprint

Open full view ↗
Loads on click. Unloads when scrolled away or the tab is hidden.
Loads on click. Unloads when scrolled away or the tab is hidden.
Download PDF
Contents

README

markdown

PCF8563MDTR

XBLW · Real Time Clocks · MSOP-8

PCF8563MDTR from XBLW, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 OSCI input Oscillator input. Connect one terminal of the 32.768 kHz crystal here. Internal oscillator load capacitance is integrated; typical crystal Rs = 40 kOhm, CL = 8 pF. OSCI input voltage rating -0.5 V to VDD + 0.5 V.
2 OSCO output Oscillator output. Connect the other terminal of the 32.768 kHz crystal here to complete the oscillator loop.
3 INT output Active-low open-drain interrupt output (labeled 'Input Cut' in the datasheet, but functionally the interrupt output driven by the alarm/timer). Requires an external pull-up. IOL(INT) >= 1 mA at VOL = 0.4 V, VDD = 5.0 V.
4 VSS power_in Ground / negative supply reference (0 V).
5 SDA bidirectional I2C serial data line, open-drain. Requires an external pull-up resistor to VDD. IOL(SDA) >= 3 mA at VOL = 0.4 V, VDD = 5.0 V. Slave addresses: read 0xA3, write 0xA2.
6 SCL input I2C serial clock input. Supports up to 400 kbit/s. Input high >= 0.7VDD, input low <= 0.3VDD.
7 CLKOUT output Programmable clock output (open-drain style, with defined IOH and IOL). Selectable frequencies: 32.768 kHz, 1024 Hz, 32 Hz, or 1 Hz.
8 VDD power_in Positive supply. Operating range 2.5 V to 5.5 V (absolute max +6.5 V). Typical sleep current 0.25 uA at VDD = 3.0 V, TA = 25 C.

Key specifications

Parameter Value
Manufacturer XBLW
Package MSOP-8
Category Clock/Timing
Pins 8

Ordering variants

Same part, different packaging or reel option.

  • PCF8563MDTR

CAD (KiCad official)

  • Symbol: PCF8563MDTR
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: XBLW datasheet (20 pp, sha256 6c61c5a0ab6e34d8, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF