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Contents

README

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LKC1216QF

LKWIC · Clock Buffers, Drivers, Distributors · QFN-48(7x7)

LKC1216QF from LKWIC, in a QFN-48(7x7). 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 GND power_in Ground connection.
2 IN_SEL input Input select pin for choosing between two clock inputs.
3 INP1 input Differential or single-ended input 1, positive terminal.
4 INN1 input Differential or single-ended input 1, negative terminal.
5 VAC_REF1 output Reference output voltage; recommend 0.1μF capacitor from this pin to GND if used.
6 VCC power_in 2.5V supply voltage input.
7 VCC power_in 2.5V supply voltage input.
8 VAC_REF0 output Reference output voltage; recommend 0.1μF capacitor from this pin to GND if used.
9 INN0 input Differential or single-ended input 0, negative terminal.
10 INP0 input Differential or single-ended input 0, positive terminal.
11 NC unconnected Not connected.
12 GND power_in Ground connection.
13 VCC power_in 2.5V supply voltage input.
14 OUTP0 output Differential LVDS output pair 0, positive terminal.
15 OUTN0 output Differential LVDS output pair 0, negative terminal.
16 OUTP1 output Differential LVDS output pair 1, positive terminal.
17 OUTN1 output Differential LVDS output pair 1, negative terminal.
18 OUTP2 output Differential LVDS output pair 2, positive terminal.
19 OUTN2 output Differential LVDS output pair 2, negative terminal.
20 OUTP3 output Differential LVDS output pair 3, positive terminal.
21 OUTN3 output Differential LVDS output pair 3, negative terminal.
22 OUTP4 output Differential LVDS output pair 4, positive terminal.
23 OUTN4 output Differential LVDS output pair 4, negative terminal.
24 VCC power_in 2.5V supply voltage input.
25 OUTP5 output Differential LVDS output pair 5, positive terminal.
26 OUTN5 output Differential LVDS output pair 5, negative terminal.
27 OUTP6 output Differential LVDS output pair 6, positive terminal.
28 OUTN6 output Differential LVDS output pair 6, negative terminal.
29 OUTP7 output Differential LVDS output pair 7, positive terminal.
30 OUTN7 output Differential LVDS output pair 7, negative terminal.
31 OUTP8 output Differential LVDS output pair 8, positive terminal.
32 OUTN8 output Differential LVDS output pair 8, negative terminal.
33 OUTP9 output Differential LVDS output pair 9, positive terminal.
34 OUTN9 output Differential LVDS output pair 9, negative terminal.
35 OUTP10 output Differential LVDS output pair 10, positive terminal.
36 OUTN10 output Differential LVDS output pair 10, negative terminal.
37 VCC power_in 2.5V supply voltage input.
38 OUTP11 output Differential LVDS output pair 11, positive terminal.
39 OUTN11 output Differential LVDS output pair 11, negative terminal.
40 OUTP12 output Differential LVDS output pair 12, positive terminal.
41 OUTN12 output Differential LVDS output pair 12, negative terminal.
42 OUTP13 output Differential LVDS output pair 13, positive terminal.
43 OUTN13 output Differential LVDS output pair 13, negative terminal.
44 OUTP14 output Differential LVDS output pair 14, positive terminal.
45 OUTN14 output Differential LVDS output pair 14, negative terminal.
46 OUTP15 output Differential LVDS output pair 15, positive terminal.
47 OUTN15 output Differential LVDS output pair 15, negative terminal.
48 VCC power_in 2.5V supply voltage input.
49 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer LKWIC
Package QFN-48(7x7)
Category Clock/Timing
Pins 49

CAD (KiCad official)

  • Symbol: LKC1216QF
  • Footprint: Package_DFN_QFN:QFN-48-1EP_7x7mm_P0.5mm_EP5.15x5.15mm
  • 3D model: QFN-48(7x7) (KiCad packages3D, STEP)
  • 3D model files: lkc1216qf-etched.step / lkc1216qf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lkc1216qf.step / lkc1216qf.glb are the bare package body.

Provenance

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

  • Datasheet: LKWIC datasheet (13 pp, sha256 a671d1d4404248c6, retrieved 2026-09-21, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF