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Home › Category › I/O Expanders

I/O Expanders parts in stock

22 part numbers · 22 in stock · checked 2026-11-02

Discrete logic is the category most exposed to obsolescence — the design is twenty years old and the part is discontinued. 22 part numbers are listed, 22 in stock, TSSOP-24 being the usual package. Every listing here is a specific orderable part number rather than a family average.

Part numberManufacturerPackageStockFrom
PCA9505DGG,118NXPTSSOP-56-6.1mm19,700USD 8.16
PCA9535AHF,128NXPHWQFN-24-EP(4x4)12,400USD 1.04
PCA9539PW/Q900,118NXPTSSOP-2419,200USD 3.30
PCA9554APW,118NXPTSSOP-1618,300USD 1.61
PCA9554PW,118NXPTSSOP-1625,000USD 1.05
PCAL6408AHKXNXPSOT-116154USD 1.70
PCAL9539APW,118NXPTSSOP-2419,400USD 3.67
PCAL9555AHF,128NXPHWQFN-24-EP(4x4)9,350USD 2.78
PCF8574AT/3,518NXPSOIC-16-300mil21,200USD 2.86
PCF8574T/3,518NXPSOIC-16-300mil24,200USD 2.10
PCF8574TS/3,118NXPSSOP-20-4.4mm11,000USD 3.42
PCF8575TS/1,118NXPSSOP-24-208mil13,900USD 4.38
PCA6408AHKXNXPX-QFN-16(1.8x2.6)7,950USD 1.95
PCA9535CPW,118NXPTSSOP-2418,900USD 0.637
PCA9535PW,118NXPTSSOP-2421,900USD 1.22
PCA9536D,118NXPSO-820,000USD 1.08
PCA9539PWNXPTSSOP-2425,000USD 1.29
PCA9555APW,118NXPTSSOP-2423,000USD 1.09
PCA9555PW,118NXPTSSOP-2423,000USD 1.50
PCA9557PW,118NXPTSSOP-1622,000USD 0.559
PCAL6416AHF,128NXPHWQFN-2414,800USD 1.46
PCAL6524HEAZNXPHUQFN-32-EP(5x5)8,400USD 1.79
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