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PDF PCA9556 Data sheet ( Hoja de datos )
| Número de pieza | PCA9556 | |
| Descripción | Octal SMBus Registered Interface | |
| Fabricantes | NXP Semiconductors | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de PCA9556 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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INTEGRATED CIRCUITS
PCA9556
Octal SMBus Registered Interface
Product specification
1998 Dec 18
Philips
Semiconductors
1 page  
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
5 Page 
Philips Semiconductors
Octal SMbus Registered Interface
NOTES
Product specification
PCA9556
1998 Dec 18
11
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet PCA9556.PDF ] | |
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