PCA9539 查看數據表（PDF） - Philips Electronics
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PCA9539 Datasheet PDF : 21 Pages
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INTEGRATED CIRCUITS
PCA9539
16-bit I2C and SMBus, low power I/O port
with interrupt and reset
Product data sheet
Supersedes data of 2004 Aug 27
2004 Sep 30
Philips
Semiconductors
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