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NCA9539 |
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| Part Number | NCA9539 |
| Manufacturer | nexperia (https://www.nexperia.com/) |
| Description | The NCA9539 provides 16 bits of General Purpose Input/Output (GPIO) expansion with interrupt and reset for I²C-bus/SMBus applications. It is designed for a wide voltage range of 1.65 V to 5.5 V. Nexperia GPIO expanders provide an elegant solution when additional IOs are needed while keeping the interconnections to a minimum, for example, in ACPI power switch. |
| Features |
• I²C-bus to parallel port expander • Operating power supply voltage range of 1.65 V to 5.5 V • Low standby current consumption: • 2.5 µA (maximum) • Schmitt-trigger action allows slow input transition and better switching noise immunity at the SCL and SDA inputs • Vhys = 0.10 × VCC (typical) • Noise filter on SCL and SDA inputs • 5 V tolerant I/Os • 16 I/O pins which power up configured in input state • Open-drain active LOW interrupt output (INT) • Reset input for resetting NCA9539 to default values (RESET) • 400 kHz Fast-mode I²C-bus • Internal power-on reset • No glitch on power-up • Latch. |
| Datasheet |
 NCA9539 Data Sheet
PDF 466.45KB |
| Distributor | Stock | Price | Buy |
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| No. | Part # | Manufacture | Description | Datasheet |
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NOVOSENSE |
8-bit I2C-bus I/O port |
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nexperia |
Low-voltage 16-bit I2C and SMBus low-power I/O expander |
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nexperia |
Low-voltage 16-bit I2C and SMBus low-power I/O expander |
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|
nexperia |
Low-voltage 16-bit I2C and SMBus low-power I/O expander |
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NOVOSENSE |
Hot Swappable I2C Bus and SMBus Buffer |
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nexperia |
Low-voltage 16-bit I2C and SMBus I/O expander |
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NOVOSENSE |
16-bit I2C-bus I/O port |
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|
nexperia |
Low-voltage 16-bit I2C and SMBus I/O expander |
|
|
|
|
NOVOSENSE |
16-bit I2C-bus I/O port |
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|
|
|
nexperia |
Low-voltage 16-bit I2C and SMBus I/O expander |
|
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