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CR95HF-VMD5T

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STMicroelectronics RFID ICs, QFN-32-EP(5x5). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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CR95HF-VMD5T

STMicroelectronics · RFID ICs · QFN-32-EP(5x5)

CR95HF-VMD5T from STMicroelectronics, in a QFN-32-EP(5x5). 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 TX1 output RF driver output 1 for pushing differential RF signal to antenna matching network.
2 TX2 output RF driver output 2 for pushing differential RF signal to antenna matching network.
3 NC unconnected Not connected.
4 NC unconnected Not connected.
5 RX1 input RF receiver input 1 from antenna matching network for reception of 13.56 MHz signals.
6 RX2 input RF receiver input 2 from antenna matching network for reception of 13.56 MHz signals.
7 NC unconnected Not connected.
8 GND_RX power_in Analog ground for receiver circuits; maximum differential voltage RX1-RX2 is 18 V peak-to-peak.
9 ST_R0 output ST Reserved pin requiring approximately 1 nF capacitor to ground.
10 NC unconnected Not connected.
11 NC unconnected Not connected.
12 UART_RX / IRQ_IN input UART receive pin or external interrupt input (active low, minimum 10 µs pulse width); pad internally connected to Very Weak Pull-up to VPS.
13 VPS power_in Main power supply input supporting 2.7 to 5.5 V range for digital circuits and MCU interface.
14 UART_TX / IRQ_OUT output UART transmit pin or interrupt output; pad internally connected to Weak Pull-up to VPS.
15 SPI_SS input SPI Slave Select active-low input for device selection on SPI bus; must not be left floating.
16 SPI_MISO output SPI Master In Slave Out data line for master communication up to 2.0 MHz clock; must not be left floating.
17 SPI_MOSI input SPI Master Out Slave In data line for master communication up to 2.0 MHz clock; must not be left floating.
18 SPI_SCK input SPI serial clock input up to 2.0 MHz maximum frequency; pad internally connected to Weak Pull-down to GND.
19 SSI_0 input Select serial communication interface pin (0=UART, 1=SPI) for mode selection at startup; must not be left floating.
20 SSI_1 input Select serial communication interface pin (0=UART, 0=SPI) for mode selection at startup; must not be left floating.
21 ST_R1 input ST Reserved pin in High Impedance state; must be connected to VPS for proper operation.
22 GND power_in Digital ground for digital circuits, MCU interface logic, and dissipation pad connection.
23 NC unconnected Not connected.
24 NC unconnected Not connected.
25 NC unconnected Not connected.
26 NC unconnected Not connected.
27 NC unconnected Not connected.
28 NC unconnected Not connected.
29 XIN input Crystal oscillator input for external 27.12 MHz resonator with ±14 kHz accuracy.
30 XOUT output Crystal oscillator output for external 27.12 MHz resonator with recommended 6 pF load capacitance.
31 GND_TX power_in RF driver ground for RF driver circuits; dissipation pad must be connected to ground.
32 VPS_TX power_in RF driver power supply supporting 2.7 to 3.3 V (55 mW output at 3V) or 4.5 to 5.5 V (230 mW output at 5V).
33 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

Parameter Value
Manufacturer STMicroelectronics
Package QFN-32-EP(5x5)
Category RF And Wireless
Pins 33

CAD (KiCad official)

  • Symbol: CR95HF-VMD5T
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: QFN-32-EP(5x5) (KiCad packages3D, STEP)
  • 3D model files: cr95hf-vmd5t-etched.step / cr95hf-vmd5t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); cr95hf-vmd5t.step / cr95hf-vmd5t.glb are the bare package body.

Provenance

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

  • Datasheet: STMicroelectronics datasheet (77 pp, sha256 f68582825a4a1d7b, retrieved 2026-09-22, tier: lcsc)
  • 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