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PCF8574N, 8-разрядный расширитель ввода-вывода I2C
The PCF8574N is a 8-bit input/output (I/O) Expander for the two-line bidirectional bus (I²C) is designed for 2.5 to 6V VCC operation. This device provides general-purpose remote I/O expansion for most microcontroller families by way of the I²C interface (serial clock (SCL), serial data (SDA)). The device features an 8-bit quasi-bidirectional I/O port (P0-P7), including latched outputs with high-current drive capability for directly driving LEDs. Each quasi-bidirectional I/O can be used as an input or output without the use of a data-direction control signal. At power on, the I/Os are high. In this mode, only a current source to VCC is active.
• Low Standby-current Consumption of 10µA Maximum
• I²C to Parallel-port Expander
• Open-drain Interrupt Output
• Compatible with Most Microcontrollers
• Latched Outputs with High-current Drive Capability for Directly Driving LEDs
• Latch-up Performance Exceeds 100mA Per JESD 78, Class II
Interface I2C
Brand Texas Instruments
Package Type PDIP
Number of I/O Channels 8
Clock Frequency 100кГц
Количество контактов 16
Вес, г 2.1
Texas Instruments
Число входов/выходов | 8 |
Интерфейс | IВІC |
Особенности | POR |
Выход прерывания | Yes |
Тип выхода | Open Drain |
Выходной ток | 1mA, 25mA |
Тактовая частота | 100KHz |
Напряжение питания | 2.5 V ~ 6 V |
Рабочая температура | -40°C ~ 85°C |
Корпус | DIP16 |
Вес брутто | 1.64 г. |
Наименование | PCF8574N |
Производитель | Texas Instruments |
Описание Eng | I/O EXPANDER I2C 8B 16DIP |
Тип упаковки | Tube (туба) |
Нормоупаковка | 25 шт |