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NCA9595PW-Q100J
Public Made by Adomby adom
Nexperia I/O Expanders, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
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Symbol & Footprint
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README
markdownNCA9595PW-Q100J
Nexperia · I/O Expanders · TSSOP-24
NCA9595PW-Q100J from Nexperia, in a TSSOP-24. 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 | INT | output | Interrupt output, which must be connected to VCC through a pull-up resistor. |
| 2 | A1 | input | Address input 1, which must be connected directly to VCC or GND. |
| 3 | A2 | input | Address input 2, which must be connected directly to VCC or GND. |
| 4 | P0_0 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 5 | P0_1 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 6 | P0_2 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 7 | P0_3 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 8 | P0_4 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 9 | P0_5 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 10 | P0_6 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 11 | P0_7 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 12 | GND | power_in | Ground. |
| 13 | P1_0 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 14 | P1_1 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 15 | P1_2 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 16 | P1_3 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 17 | P1_4 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 18 | P1_5 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 19 | P1_6 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 20 | P1_7 | bidirectional | Parallel port I/O with push-pull driver, configured as a high-impedance input at power-on. |
| 21 | A0 | input | Address input 0, which must be connected directly to VCC or GND. |
| 22 | SCL | input | Serial clock bus, which must be connected to VCC through a pull-up resistor. |
| 23 | SDA | bidirectional | Serial data bus, which must be connected to VCC through a pull-up resistor. |
| 24 | VCC | power_in | Supply voltage; the datasheet specifies an operating range of 1.65 V to 5.5 V. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Nexperia |
| Package | TSSOP-24 |
| Category | Interface |
| Pins | 24 |
Electrical characteristics
Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).
| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| VCC supply voltage (absolute maximum) | VCC | -0.5 | 6 | V | 16 | ||
| Input voltage | VI | -0.5 | 6 | V | 16 | ||
| Output voltage | VO | -0.5 | 6 | V | 16 | ||
| Input clamping current | IIK | -20 | mA | A0, A1, A2, SCL; VI < 0 V | 16 | ||
| Output clamping current | IOK | -20 | mA | INT; VO < 0 V | 16 | ||
| Input/output clamping current | IIOK | -20 | 20 | mA | P port; VO < 0 V or VO > VCC | 16 | |
| Input/output clamping current | IIOK | -20 | mA | SDA; VO < 0 V | 16 | ||
| LOW-level output current | IOL | 50 | mA | continuous; I/O port | 16 | ||
| LOW-level output current | IOL | 25 | mA | continuous; SDA, INT | 16 | ||
| HIGH-level output current | IOH | 25 | mA | continuous; P port | 16 | ||
| Supply current | ICC | 160 | mA | 16 | |||
| Ground supply current | IGND | 250 | mA | 16 | |||
| Total power dissipation | Ptot | 200 | mW | 16 | |||
| Storage temperature | Tstg | -65 | 150 | °C | 16 | ||
| Maximum junction temperature | Tj(max) | 135 | °C | 16 | |||
| Ambient temperature | Tamb | -40 | 125 | °C | operating in free air | 16 | |
| Supply voltage (recommended) | VCC | 1.65 | 5.5 | V | 17 | ||
| HIGH-level input voltage | VIH | 5.5 | V | SCL, SDA | 17 | ||
| LOW-level input voltage | VIL | -0.5 | V | SCL, SDA | 17 | ||
| HIGH-level output current | IOH | 10 | mA | P1_7 to P0_0 | 17 | ||
| LOW-level output current | IOL | 25 | mA | P1_7 to P0_0 | 17 | ||
| Transient thermal impedance junction to ambient | Zth(j-a) | 100 | K/W | TSSOP24 package | 17 | ||
| Input clamping voltage | VIK | -1.2 | V | II = -18 mA | 17 | ||
| Power-on reset trip voltage, VCC falling | VPORF | 0.8 | 1.1 | V | VI = VCC or GND; IO = 0 mA | 17 | |
| Power-on reset trip voltage, VCC rising | VPORR | 1.25 | 1.6 | V | VI = VCC or GND; IO = 0 mA | 17 | |
| LOW-level output current | IOL | 3 | mA | SDA; VOL = 0.4 V; VCC = 1.65 V to 5.5 V | 17 | ||
| LOW-level output current | IOL | 3 | 28 | mA | INT; VOL = 0.4 V; VCC = 1.65 V to 5.5 V | 17 | |
| Input current | II | 1 | μA | SCL, SDA; VI = VCC or GND; VCC = 1.65 V to 5.5 V | 17 | ||
| Input current | II | -1 | 1 | μA | A0, A1, A2; VI = VCC or GND | 17 | |
| HIGH-level input current | IIH | 1 | μA | P port; VI = VCC; VCC = 1.65 V to 5.5 V | 18 | ||
| LOW-level input current | IIL | -1 | μA | P port; VI = GND; VCC = 1.65 V to 5.5 V; pull up disabled | 18 | ||
| LOW-level input current | IIL | -100 | μA | P port; VI = GND; VCC = 1.65 V to 5.5 V; pull up enabled | 18 | ||
| Supply current (pull-ups enabled) | ICC | 0.88 | 1.6 | mA | VCC = 1.65 V to 5.5 V; pull-ups enabled; fSCL = 0 kHz; IO = 0 mA | 19 | |
| Supply current, fSCL 400 kHz | ICC | 13 | 29 | μA | fSCL = 400 kHz (tr = 30 ns); IO = 0 mA; I/O = inputs; VCC = 3.6 V to 5.5 V | 19 | |
| Supply current, fSCL 400 kHz | ICC | 6.4 | 12 | μA | fSCL = 400 kHz (tr = 30 ns); IO = 0 mA; I/O = inputs; VCC = 2.3 V to 3.6 V | 19 | |
| Supply current, fSCL 400 kHz | ICC | 3 | 6.5 | μA | fSCL = 400 kHz (tr = 30 ns); IO = 0 mA; I/O = inputs; VCC = 1.65 V to 2.3 V | 19 | |
| Standby supply current, fSCL 0 kHz | ICC | 1.5 | 4 | μA | fSCL = 0 kHz; IO = 0 mA; I/O = inputs; VCC = 3.6 V to 5.5 V | 19 | |
| Standby supply current, fSCL 0 kHz | ICC | 0.95 | 3 | μA | fSCL = 0 kHz; IO = 0 mA; I/O = inputs; VCC = 2.3 V to 3.6 V | 19 | |
| Standby supply current, fSCL 0 kHz | ICC | 0.5 | 2 | μA | fSCL = 0 kHz; IO = 0 mA; I/O = inputs; VCC = 1.65 V to 2.3 V | 19 | |
| Active mode supply current | ICC | 15 | 60 | μA | Active mode; fSCL = 400 kHz (tr = 30 ns), continuous register read; IO = 0 mA; VCC = 3.6 V to 5.5 V | 19 | |
| Active mode supply current | ICC | 7.4 | 27 | μA | Active mode; fSCL = 400 kHz (tr = 30 ns), continuous register read; IO = 0 mA; VCC = 2.3 V to 3.6 V | 19 | |
| Active mode supply current | ICC | 3.5 | 11 | μA | Active mode; fSCL = 400 kHz (tr = 30 ns), continuous register read; IO = 0 mA; VCC = 1.65 V to 2.3 V | 19 | |
| Additional quiescent supply current | ΔICC | 10 | μA | SCL, SDA; one input at VCC - 0.6 V, other inputs at VCC or GND | 19 | ||
| Additional quiescent supply current | ΔICC | 18 | μA | P port, A0, A1, A2; one input at VCC - 0.6 V, other inputs at VCC or GND; VCC = 1.65 V to 5.5 V | 19 | ||
| Input capacitance | Ci | 1.5 | 3.5 | pF | VI = VCC or GND; VCC = 1.65 V to 5.5 V | 19 | |
| Input/output capacitance | Cio | 3 | 5 | pF | VI/O = VCC or GND; VD = 1.65 V to 5.5 V | 19 | |
| LOW-level output voltage | VOL | 0.45 | V | P port; IOL = 8 mA; VCC = 1.65 V | 18 | ||
| LOW-level output voltage | VOL | 0.3 | V | P port; IOL = 8 mA; VCC = 2.3 V | 18 | ||
| LOW-level output voltage | VOL | 0.25 | V | P port; IOL = 8 mA; VCC = 3.0 V | 18 | ||
| LOW-level output voltage | VOL | 0.2 | V | P port; IOL = 8 mA; VCC = 4.5 V | 18 | ||
| HIGH-level output voltage | VOH | 1.2 | V | P port; IOH = -8 mA; VCC = 1.65 V | 18 | ||
| HIGH-level output voltage | VOH | 2 | V | P port; IOH = -8 mA; VCC = 2.3 V | 18 | ||
| HIGH-level output voltage | VOH | 2.6 | V | P port; IOH = -8 mA; VCC = 3.0 V | 18 | ||
| HIGH-level output voltage | VOH | 4.1 | V | P port; IOH = -8 mA; VCC = 4.5 V | 18 | ||
| LOW-level output current | IOL | 8 | mA | P port; VOL = 0.5 V; VCC = 1.65 V | 18 |
CAD (KiCad official)
- Symbol:
NCA9595PW-Q100J - Footprint:
Package_SO:TSSOP-24_4.4x7.8mm_P0.65mm - 3D model: TSSOP-24 (KiCad packages3D, STEP)
- 3D model files:
nca9595pw-q100j-etched.step/nca9595pw-q100j-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);nca9595pw-q100j.step/nca9595pw-q100j.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Nexperia datasheet (30 pp, sha256
d61a5c7c477f2086, retrieved 2026-10-21, 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).