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Ci24R1

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Nanjing Zhongke Microelectronics RF Transceiver ICs, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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ci24r1-hero.glb ci24r1: hero GLB from the etched model (keeps the MPN mark) · Ray 12d ago
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Ci24R1

Nanjing Zhongke Microelectronics · RF Transceiver ICs · SOIC-8

Ci24R1 from Nanjing Zhongke Microelectronics, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 CSN input SPI chip selection digital input (Table 2.1 lists it as DI, pin function 'SPI chip selection').
2 SCK input SPI clock digital input, with the maximum SPI rate stated as 10 MHz elsewhere in the datasheet.
3 DATA/IRQ bidirectional SPI data input/output and interrupt output (TX/RX hardware interrupt), with I/O voltage range 1.9-3.6V.
4 XC1 input Crystal oscillator input (analog input), used with a 16 MHz crystal with ±20 ppm tolerance.
5 XC2 output Crystal oscillator output (analog output), used with a 16 MHz crystal with ±20 ppm tolerance.
6 VDD power_in Power supply, +2.1 to +3.6 V DC.
7 ANT passive RF antenna port.
8 VSS power_in Ground, 0 V.

Key specifications

Parameter Value
Manufacturer Nanjing Zhongke Microelectronics
Package SOIC-8
Category RF And Wireless
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Supply voltage (VDD) VDD -0.3 3.6 V 30
Input voltage VI -0.3 3.6 V 30
Power Dissipation 100 mW 30
Operation Temperature -40 125 ℃ 30
Storage Temperature -40 125 ℃ 30
ESD Performance HBM (Human Body Model) -2000 2000 V 30
Supply voltage VDD 2.1 3.6 V 30
Supply current in Shutdown mode ISHD 2 4 µA 30
RF operation frequency FOP 2400 2525 MHz 31
Frequency deviation (2Mbps) ΔFMOD(2Mbps) -330 330 KHz 31
Frequency deviation (1M/250Kbps) ΔFMOD(1M/250Kbps) -175 175 KHz 31
Data rate RGFSK 250 2000 Kbps 31
RF Output Power PRF -10 9 dBm 31
Crystal frequency tolerance ΔF -20 20 ppm 31

CAD (KiCad official)

  • Symbol: Ci24R1
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: ci24r1-etched.step / ci24r1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ci24r1.step / ci24r1.glb are the bare package body.

Provenance

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

  • Datasheet: Nanjing Zhongke Microelectronics datasheet (40 pp, sha256 89e71cb94574d531, retrieved 2026-10-16, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (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