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NCA9595PW-Q100J

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Nexperia I/O Expanders, TSSOP-24. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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NCA9595PW-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.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); nca9595pw-q100j.step / nca9595pw-q100j.glb are 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, 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