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Philips
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| Part No. |
PCA9554A PCA9554 PCA9554_9554A_5
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| OCR Text |
...I2C address compatible with the pcf8574 series, software changes are required due to the enhancements and are discussed in Application Note AN469. The PCA9554/54A open-drain interrupt output is activated when any input state differs from it... |
| Description |
8-bit I 2 C and SMBus I/O port with interrupt
From old datasheet system
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| File Size |
133.91K /
15 Page |
 View
it Online |
Download Datasheet
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Philips
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| Part No. |
PCA9553
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| OCR Text |
...g normal I/O Expanders like the pcf8574 or PCA9554, the bus master must send repeated commands to turn the LED on and off. This greatly increases the amount of traffic on
ORDERING INFORMATION
PACKAGES 8-Pin Plastic SO 8-Pin Plastic SO 8... |
| Description |
4-bit I²C LED driver with programmable blink rates
From old datasheet system
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| File Size |
117.77K /
17 Page |
View
it Online |
Download Datasheet |
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Philips
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| Part No. |
PCA9551
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| OCR Text |
...g normal I/O Expanders like the pcf8574 or PCA9554, the bus master must send repeated commands to turn the LED on and off. This greatly increases the amount of traffic on the I2C-bus and uses up one of the master's timers. The PCA9551 LED B... |
| Description |
8-bit I²C LED driver with programmable blink rates
From old datasheet system
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| File Size |
147.69K /
20 Page |
View
it Online |
Download Datasheet |
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Price and Availability
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