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PCAL9722 Datasheet(PDF) 26 Page - NXP Semiconductors

Part # PCAL9722
Description  Ultra low-voltage translating 22-bit SPI I/O expander with Agile I/O features, interrupt output and reset
PDF  63 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCAL9722 Datasheet(HTML) 26 Page - NXP Semiconductors

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NXP Semiconductors
PCAL9722
Ultra low-voltage translating 22-bit SPI I/O expander with Agile I/O features, interrupt output and
reset
P0_1
~
P1_7
Filtered
P0_1 ~ P1_7
(internal)
tDP
aaa-014658
tDP = [PERIOD of EXT CLOCK] * [Debounce counter(76h)] = 1 μs * 10 = 10 μs (if external clock = 1 MHz, debounce count
register (76h) = 0Ah)
Figure 8. Switch debounce timing
PCAL9722
All information provided in this document is subject to legal disclaimers.
© 2023 NXP B.V. All rights reserved.
Product data sheet
Rev. 1.1 — 1 May 2023
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