component
NSI8120N1
Public Made by Adomby adom
NOVOSENSE Digital Isolators, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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Contents
README
markdownNSI8120N1
NOVOSENSE · Digital Isolators · SOIC-8
NSI8120N1 from NOVOSENSE, 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 | VDD1 | power_in | Power supply for isolator side 1, operating from 2.5 V to 5.5 V with an absolute maximum of 6.5 V, and requires a 0.1 µF bypass capacitor to GND1. |
| 2 | INA | input | Logic input A on side 1, with VIH of 2 V minimum and VIL of 0.8 V maximum, and an absolute input voltage range of -0.4 V to VDD+0.4 V. |
| 3 | INB | input | Logic input B on side 1, with VIH of 2 V minimum and VIL of 0.8 V maximum, and an absolute input voltage range of -0.4 V to VDD+0.4 V. |
| 4 | GND1 | power_in | Ground 1, the ground reference for isolator side 1. |
| 5 | GND2 | power_in | Ground 2, the ground reference for isolator side 2. |
| 6 | OUTB | output | Logic output B on side 2, with a typical output impedance of about 50 Ω (±40%) and an absolute output current rating of ±15 mA. |
| 7 | OUTA | output | Logic output A on side 2, with a typical output impedance of about 50 Ω (±40%) and an absolute output current rating of ±15 mA. |
| 8 | VDD2 | power_in | Power supply for isolator side 2, operating from 2.5 V to 5.5 V with an absolute maximum of 6.5 V, and requires a 0.1 µF bypass capacitor to GND2. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | NOVOSENSE |
| Package | SOIC-8 |
| Category | Signal Isolation Devices |
| 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 |
|---|---|---|---|---|---|---|---|
| Input Pull high or low Current | Ipull | 8 | 15 | uA | 4 | ||
| Common-Mode Transient Immunity | CMTI | -100 | 150 | kV/us | 4 | ||
| Start Up Time after POR | trbs | 40 | usec | 4 | |||
| Low Level Input Voltage | VIL | 0.8 | V | 3 | |||
| High Level Input Voltage | VIH | 2 | V | 3 | |||
| Low Level Output Voltage | VOL | 0.3 | V | IOL ≤ 4mA | 3 | ||
| Data Rate | DR | 0 | 150 | Mbps | 4 | ||
| Minimum Pulse Width | PW | 5 | ns | 4 | |||
| Pulse Width Distortion /tPHL, tPLH/ | PWD | 5 | ns | See Figure 2.7, CL = 15pF | 5 | ||
| Rising Time | tr | 5 | ns | See Figure 2.7, CL = 15pF | 5 | ||
| Falling Time | tf | 5 | ns | See Figure 2.7, CL = 15pF | 5 | ||
| Peak Eye Diagram Jitter | tJIT(PK) | 350 | ps | 5 | |||
| Channel-to-Channel Delay Skew | tSK(c2c) | 2.5 | ns | 5 | |||
| Part-to-Part Delay Skew | tSK(p2p) | 5 | ns | 5 | |||
| Propagation Delay (rising) | tPLH | 5 | 8.2 | 15 | ns | VDD=5V±10%; See Figure 2.7, CL = 15pF | 5 |
| Propagation Delay (falling) | tPHL | 5 | 10.56 | 15 | ns | VDD=5V±10%; See Figure 2.7, CL = 15pF | 5 |
| Propagation Delay (rising) | tPLH | 5 | 10 | 15 | ns | VDD=2.5V±10%; See Figure 2.7, CL = 15pF | 7 |
| Propagation Delay (falling) | tPHL | 5 | 10 | 15 | ns | VDD=2.5V±10%; See Figure 2.7, CL = 15pF | 7 |
| Supply current VDD1 (NSi8120) | IDD1(Q0) | 0.58 | 0.87 | mA | VDD=5V±10%; All Input 0V for NSi8120x0 Or All Input at supply for NSi8120x1 | 4 | |
| Supply current VDD2 (NSi8120) | IDD2(Q0) | 1.18 | 1.77 | mA | VDD=5V±10%; All Input 0V for NSi8120x0 Or All Input at supply for NSi8120x1 | 4 | |
| Supply current VDD1 (NSi8120) | IDD1(Q1) | 2.92 | 4.38 | mA | VDD=5V±10%; All Input at supply for NSi8120x0 Or All Input 0V for NSi8120x1 | 4 | |
| Supply current VDD2 (NSi8120) | IDD2(Q1) | 1.24 | 1.86 | mA | VDD=5V±10%; All Input at supply for NSi8120x0 Or All Input 0V for NSi8120x1 | 4 | |
| Supply current VDD1 (NSi8120) | IDD1(1M) | 1.71 | 2.56 | mA | VDD=5V±10%; All Input with 1Mbps, CL=15pF | 4 | |
| Supply current VDD2 (NSi8120) | IDD2(1M) | 1.38 | 2.07 | mA | VDD=5V±10%; All Input with 1Mbps, CL=15pF | 4 | |
| Supply current VDD1 (NSi8120) | IDD1(10M) | 1.78 | 2.67 | mA | VDD=5V±10%; All Input with 10Mbps, CL=15pF | 4 | |
| Supply current VDD2 (NSi8120) | IDD2(10M) | 3.2 | 4.8 | mA | VDD=5V±10%; All Input with 10Mbps, CL=15pF | 4 | |
| Supply current VDD1 (NSi8120) | IDD1(100M) | 2.1 | 3.15 | mA | VDD=5V±10%; All Input with 100Mbps, CL=15pF | 4 | |
| Supply current VDD2 (NSi8120) | IDD2(100M) | 21 | 31.5 | mA | VDD=5V±10%; All Input with 100Mbps, CL=15pF | 4 | |
| Supply current VDD1 (NSi8120) | IDD1(Q0) | 0.53 | 0.8 | mA | VDD=2.5V±10%; All Input 0V for NSi8120x0 Or All Input at supply for NSi8120x1 | 6 | |
| Supply current VDD2 (NSi8120) | IDD2(Q0) | 1.1 | 1.65 | mA | VDD=2.5V±10%; All Input 0V for NSi8120x0 Or All Input at supply for NSi8120x1 | 6 | |
| Supply current VDD1 (NSi8120) | IDD1(Q1) | 2.85 | 4.28 | mA | VDD=2.5V±10%; All Input at supply for NSi8120x0 Or All Input 0V for NSi8120x1 | 6 | |
| Supply current VDD2 (NSi8120) | IDD2(Q1) | 1.15 | 1.73 | mA | VDD=2.5V±10%; All Input at supply for NSi8120x0 Or All Input 0V for NSi8120x1 | 6 | |
| Supply current VDD1 (NSi8120) | IDD1(1M) | 1.63 | 2.45 | mA | VDD=2.5V±10%; All Input with 1Mbps, CL = 15pF | 6 | |
| Supply current VDD2 (NSi8120) | IDD2(1M) | 1.21 | 1.82 | mA | VDD=2.5V±10%; All Input with 1Mbps, CL = 15pF | 6 | |
| Supply current VDD1 (NSi8120) | IDD1(10M) | 1.68 | 2.52 | mA | VDD=2.5V±10%; All Input with 10Mbps, CL = 15pF | 6 | |
| Supply current VDD2 (NSi8120) | IDD2(10M) | 2.05 | 3.08 | mA | VDD=2.5V±10%; All Input with 10Mbps, CL = 15pF | 6 | |
| Supply current VDD1 (NSi8120) | IDD1(100M) | 1.95 | 2.93 | mA | VDD=2.5V±10%; All Input with 100Mbps, CL = 15pF | 6 | |
| Supply current VDD2 (NSi8120) | IDD2(100M) | 10.4 | 15.6 | mA | VDD=2.5V±10%; All Input with 100Mbps, CL = 15pF | 6 | |
| Power Supply Voltage | VDD1, VDD2 | -0.5 | 6.5 | V | 3 | ||
| Maximum Input Voltage | VINA, VINB | -0.4 | V | 3 | |||
| Maximum Output Voltage | VOUTA, VOUTB | -0.4 | V | 3 | |||
| Maximum Input/Output Pulse Voltage | VINA, VINB, VOUTA, VOUTB | -0.8 | V | Pulse width less than 100ns, duty cycle less than 10% | 3 | ||
| Output current | Io | -15 | 15 | mA | 3 | ||
| Maximum Surge Isolation Voltage | VIOSM | 5.3 | kV | 3 | |||
| Operating Temperature | Topr | -40 | 125 | ℃ | 3 | ||
| Storage Temperature | Tstg | -40 | 150 | ℃ | 3 | ||
| Electrostatic discharge HBM | HBM | -6000 | 6000 | V | 3 | ||
| Electrostatic discharge CDM | CDM | -2000 | 2000 | V | 3 | ||
| Common-Mode Transients | CMTI | -150 | 150 | kV/us | 3 | ||
| Supply voltage VDD1 | VDD1 | 2.5 | 5.5 | V | 3 | ||
| Supply voltage VDD2 | VDD2 | 2.5 | 5.5 | V | 3 | ||
| Power on Reset threshold | VDDPOR | 2.2 | V | POR threshold as during power-up | 3 | ||
| POR threshold Hysteresis | VDD HYS | 0.1 | V | POR threshold Hysteresis | 3 | ||
| Input Threshold | VIT | 1.6 | V | Input Threshold at rising edge | 3 | ||
| Input Threshold Hysteresis | VIT_HYS | 0.4 | V | Input Threshold Hysteresis | 3 | ||
| Output Impedance | Rout | 50 | ohm | 4 |
Materials and finish
As the datasheet states them (page.json metadata.appearance; the 3D model's colours follow it).
| Part | Material | Colour / plating | Datasheet says | Page |
|---|---|---|---|---|
| housing | pC | 2 In accordance with DIN VDE V 0884-11, each NSi8120N/NSi8121N/NSi8122N is proof tested by applying an insulation test voltage ≥ 847 V peak for 1 sec (partial discharge detection limit = 5 pC). The * | 11 |
CAD (KiCad official)
- Symbol:
NSI8120N1 - Footprint:
Package_SO:SOIC-8_3.9x4.9mm_P1.27mm - 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files:
nsi8120n1-etched.step/nsi8120n1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);nsi8120n1.step/nsi8120n1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: NOVOSENSE datasheet (21 pp, sha256
ecafd88bc81f54ad, retrieved 2026-10-18, tier: lcsc) - Extractor: parts-factory
2.0.0/extract_pins 0.3, primaryclaude-haiku-5-5(text), consensusclaude-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).