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HS4456

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H SUN RF Transceiver ICs, SOT-23-6. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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HS4456

H SUN · RF Transceiver ICs · SOT-23-6

HS4456 from H SUN, in a SOT-23-6. 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 XTLOUT output Crystal oscillator output; it works with the XTLIN pin and an external crystal or ceramic resonator (13.56 MHz reference in the typical conditions), with 18 pF maximum capacitance from each crystal pin to ground.
2 VSS power_in Negative power supply pin (ground); the datasheet gives the operating supply range as 1.8 to 3.6 V between VDD and VSS.
3 PAOUT output RF signal output, delivering up to +13 dBm at 315 MHz and +12 dBm at 433.92 MHz into a 50 Ω load.
4 ASK input Data input for ASK/OOK modulation; the logic high threshold is 0.8×VDD minimum and the logic low threshold is 0.2×VDD maximum.
5 VDD power_in Positive power supply pin, operating from 1.8 V to 3.6 V (absolute maximum 4.0 V).
6 XTLIN input Crystal oscillator input; it works with the XTLOUT pin and an external crystal or ceramic resonator.

Key specifications

Parameter Value
Manufacturer H SUN
Package SOT-23-6
Category RF And Wireless
Pins 6

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 (工作电压) 1.8 3 3.6 V 2
Supply voltage absolute maximum (电源电压 Vdd) Vdd -0.3 4 V Ta=25℃ 2
Input voltage (输入电压 Vi) Vi -0.3 V Ta=25℃; printed max is Vcc+0.3, not a numeric value 2
Output voltage (输出电压 Vo) Vo -0.3 V Ta=25℃; printed max is Vcc+0.3, not a numeric value 2
Operating temperature absolute maximum table (工作温度 Topr) Topr -20 70 ℃ Ta=25℃ rating table 2
Storage temperature (储存温度 Tstg) Tstg -40 125 ℃ Ta=25℃ rating table 2
Normal operating temperature range (正常工作温度范围) -40 85 ℃ stated in overview text 1
ASK delay time high to low (ASK从高变到低) 50 80 100 ms 3
ASK delay time low to high (ASK从低变到高) 400 600 900 us 3
Occupied bandwidth OBW 315MHz OBW 700 kHz 315MHz, ASK modulation 3
Occupied bandwidth OBW 433.92MHz OBW 1000 kHz 433.92MHz, ASK modulation 3

CAD (KiCad official)

  • Symbol: HS4456
  • Footprint: Package_TO_SOT_SMD:SOT-23-6
  • 3D model: SOT-23-6 (KiCad packages3D, STEP)
  • 3D model files: hs4456-etched.step / hs4456-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); hs4456.step / hs4456.glb are the bare package body.

Provenance

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

  • Datasheet: H SUN datasheet (4 pp, sha256 34103f355c1bc065, retrieved 2026-10-17, 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 0.3, 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