PCA9554U,029 NXP Semiconductors, PCA9554U,029 Datasheet - Page 4
PCA9554U,029
Manufacturer Part Number
PCA9554U,029
Description
I2C Interface IC PCA9554U/UNCASED/PUT
Manufacturer
NXP Semiconductors
Datasheet
1.PCA9554U029.pdf
(35 pages)
Specifications of PCA9554U,029
Factory Pack Quantity
7000
NXP Semiconductors
4. Block diagram
PCA9554_9554A
Product data sheet
Fig 1.
SDA
SCL
V
V
A0
A1
A2
DD
SS
All I/Os are set to inputs at reset.
Block diagram of PCA9554/PCA9554A
PCA9554/PCA9554A
All information provided in this document is subject to legal disclaimers.
POWER-ON
RESET
FILTER
INPUT
Rev. 9 — 19 March 2013
I
2
C-BUS/SMBus
8-bit I
CONTROL
PCA9554; PCA9554A
2
C-bus and SMBus I/O port with interrupt
write pulse
read pulse
8-bit
FILTER
OUTPUT
PORTS
INPUT/
LP
002aac492
© NXP B.V. 2013. All rights reserved.
V
DD
IO0
IO1
IO2
IO3
IO4
IO5
IO6
IO7
INT
4 of 35
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