PCAL6534: Ultra-low-voltage, level translating, 34-bit I2C-bus/SMBus I/O expander

Overview

Features

PCAL6534 / 90-Second Crash Course

PCAL6534 / 90-Second Crash Course thumbnail

NXP’s Agile I/O and Plus Features

NXP’s Agile I/O and Plus Features thumbnail

Target Applications

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GPIO Comparison Table

Part Number Bits V Range BW Reset Int Description Package Description Type
PCAL6408A 8 1.65 to 5.5 V 400kHz Dual VCC, selectable open-drain or push pull outputs HVQFN-16, TSSOP-16, XQFN-16, XFBGA-16, X2QFN-16 Agile IO
PCA9574 8 1.1 to 3.6 V 400kHz maskable Active low, 3 supplies for level translation, selectable open-drain HVQFN-16, TSSOP-16 Standard
PCAL6416A 16 1.65 to 5.5 V 400kHz Dual VCC, selectable open-drain or push pull outputs TSSOP-24, X2QFN-24, HWQFN-24, BGA-24 Agile IO
PCA9539R 16 2.3 to 5.5 V 400kHz "R" version resets I2C-bus state machine HVQFN-24, TSSOP-24 Standard
PCAL6524 24 0.8 to 5.5 V 1MHz Read all interrupts without clear, device ID, SW reset QFN-32, UFBGA-32 Agile IO
PCAL6534 34 0.8 to 5.5 V 1MHz Read all interrupts without clear, device ID, SW reset VFBGA-42 Agile IO
PCA9698 40 2.3 to 5.5 V 1MHz Output enable, selectable open-drain TSSOP-56, HVQFN-56 Standard