PCA9557 |
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| Part Number | PCA9557 |
| Manufacturer | NXP (https://www.nxp.com/) |
| Description | The PCA9557 is a silicon CMOS circuit which provides parallel input/output expansion for SMBus and I2C applications. The PCA9557 consists of an 8-bit input port register, 8-bit output port register, a... |
| Features |
PCA9556
PIN CONFIGURATION
SCL 1 SDA 2 16 VDD 15 RESET 14 I/O7 13 I/O6 12 I/O5 11 I/O4 10 I/O3 9 I/O2
• Lower voltage, higher performance migration path for the • 8 general purpose input/output expander/collector • Input/output configuration register • Active HIGH polarity inversion register • I2C and SMBus interface logic • Internal power-on reset • Noise filter on SCL/SDA inputs • Active LOW reset input • 3 address pins allowing up to 8 devices on the I2C/SMBus • High impedance open drain on I/O0 • No glitch on power-up • Power-up with all channels configured as inputs • Low standby current... |
| Document |
 PCA9557 Data Sheet
PDF 127.39KB |
| Distributor | Stock | Price | Buy |
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| No. | Part # | Manufacture | Description | Datasheet |
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NXP |
2-bit I2C LED driver |
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NXP |
8-bit I2C LED driver |
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NXP |
16-bit I2C LED driver |
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NXP |
4-bit I2C LED driver with programmable blink rates |
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Texas Instruments |
Remote 8-Bit I2C AND SMBus I/O Expander |
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NXP |
8-bit I2C and SMBus I/O port |
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ON Semiconductor |
8-bit I2C and SMBus I/O Port |
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NXP |
8-bit I2C and SMBus I/O port |
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Texas Instruments |
Remote 8-Bit I2C and SMBus I/O Expander |
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NXP |
16-bit I2C-bus and SMBus I/O port |
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