PCA9556 Datasheet PDF - NXP Semiconductors
| Part Number | PCA9556 | |
| Description | Octal SMBus Registered Interface | |
| Manufacturers | NXP Semiconductors | |
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There is a preview and PCA9556 download ( pdf file ) link at the bottom of this page. Total 12 Pages | ||
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INTEGRATED CIRCUITS
PCA9556
Octal SMBus Registered Interface
Product specification
1998 Dec 18
Philips
Semiconductors
|
| |
 
Philips Semiconductors
Octal SMBus Registered Interface
Product specification
PCA9556
SIMPLIFIED SCHEMATIC OF I/O1 TO I/O7
DATA FROM
SHIFT REGISTER
DATA FROM
SHIFT REGISTER
WRITE MASK PULSE
WRITE PULSE
INPUT/OUTPUT
MASK REGISTER
DQ
FF
CK Q
WRITE
REGISTER
DQ
FF
CK Q
READ PULSE
READ
REGISTER
DQ
FF
CK Q
POLARITY
REGISTER
DATA FROM
SHIFT REGISTER
WRITE
POLARITY
PULSE
NOTE: ON POWER-UP OR RESET, ALL REGISTERS RETURN TO DEFAULT VALUES
DQ
FF
CK Q
Figure 4. Simplified schematic of I/O1 to I/O7
OUTPUT PORT
REGISTER DATA
VDD
ESD PROTECTION DIODE
I/O1 TO I/O7
ESD PROTECTION DIODE
VSS
INPUT PORT
REGISTER DATA
POLARITY
REGISTER DATA
su01055
1998 Dec 18
5
Preview 5 Page |
Part DetailsOn this page, you can learn information such as the schematic, equivalent, pinout, replacement, circuit, and manual for PCA9556 electronic component. |
| Information | Total 12 Pages | |
| Link URL | [ Copy URL to Clipboard ] | |
| Download | [ PCA9556.PDF Datasheet ] | |
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