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PCAL6408A

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Product data sheet

Rev. 3 — 18 September 2013

3 of 49

NXP Semiconductors

PCAL6408A

Low-voltage translating, 8-bit I2C-bus/SMBus I/O expander

 ESD protection exceeds JESD 22

 2000 V Human-Body Model (A114-A)

 1000 V Charged-Device Model (C101)

 Packages offered: HVQFN16, TSSOP16, XQFN16,

XFBGA16 (1.6 mm

 1.6 mm  0.5 mm)

2.1 Agile I/O features

 Software backward compatible with PCA6408A with interrupts disabled at power-up

 Pin-to-pin drop-in replacement for PCA6408A

 Output port configuration: bank selectable push-pull or open-drain output stages

 Interrupt status: read-only register identifies the source of an interrupt

 Bit-wise I/O programming features:

 Output drive strength: four programmable drive strengths to reduce rise and fall

times in low-capacitance applications

 Input latch: Input Port register values changes are kept until the Input Port register

is read

 Pull-up/pull-down enable: floating input or pull-up/pull-down resistor enable

 Pull-up/pull-down selection: 100 k

 pull-up/pull-down resistor selection

 Interrupt mask: mask prevents the generation of the interrupt when input changes

state to prevent spurious interrupts

Ordering information

Table 1.

Ordering information

Type number

Topside

marking

Package

Name

Description

Version

PCAL6408ABS

L8A

HVQFN16

plastic thermal enhanced very thin quad flat package; no leads;

16 terminals; body 3

 3  0.85 mm

SOT758-1

PCAL6408APW

PL6408A

TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

PCAL6408AHK

XQFN16

plastic, extremely thin quad flat package; no leads; 16 terminals;

body 1.80

 2.60  0.50 mm

SOT1161-1

PCAL6408AEX

XFBGA16

plastic, extremely thin fine-pitch ball grid array package; 16 balls;

body 1.6

 1.6  0.5 mm

SOT1354-1

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