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PCF8574T/3,518, Расширитель ввода/вывода шина I2C 8-бит 16SOIC
The PCF8574T/3.518 is a 8-bit remote I/O Expander for I²C-bus with interrupt. It provides general-purpose remote I/O expansion via the two-wire bidirectional I²C-bus (serial clock (SCL), serial data (SDA)). The devices consist of eight quasi-bidirectional ports, 100kHz I²C-bus interface, three hardware address inputs and interrupt output operating between 2.5 and 6V. The quasi-bidirectional port can be independently assigned as an input to monitor interrupt status or keypads or as an output to activate indicator devices such as LEDs. System master can read from the input port or write to the output port through a single register. The low current consumption of 2.5µA (typical, static) is great for mobile applications and the latched output ports directly drive LEDs. This is identical, except for the different fixed portion of the slave address.
• I²C-bus to parallel port expander
• 100kHz I²C-bus Interface (standard-mode I²C-bus)
• Latched outputs directly drive LEDs
• Total package sink capability of 80mA
• Active low open-drain interrupt output
• 2.5µA Typical low standby current
• Latch-up testing is done to JEDEC standard JESD78 that exceeds 100mA
• -40 to +85°C Operating temperature range
EU RoHS Compliant
ECCN (US) EAR99
Part Status Active
HTS 8542.39.00.01
Number of I/Os 8
Number of Addresses 8
Manual Reset No
Interface Type I2C
Interface Speed (kHz) 100
I2C Bus Interface Mode Standard Mode
Interrupt Output Yes
Output Type Open Drain
Minimum Operating Supply Voltage (V) 2.5
Maximum Operating Supply Voltage (V) 6
Maximum Sink Current per Bit (mA) 25(Typ)
Maximum Source Current per Bit (mA) 0.3
Maximum Quiescent Current (uA) 10
Minimum Operating Temperature (°C) -40
Maximum Operating Temperature (°C) 85
Packaging Tape and Reel
Pin Count 16
Supplier Package SO
Mounting Surface Mount
Package Height 2.45(Max)
Package Length 10.5(Max)
Package Width 7.6(Max)
PCB changed 16
Lead Shape Gull-wing
Вес, г 0.8
NXP / Philips
| Число входов/выходов | 8 |
| Интерфейс | IВІC |
| Особенности | POR |
| Выход прерывания | Yes |
| Тип выхода | Push-Pull |
| Выходной ток | 20mA |
| Тактовая частота | 100KHz |
| Напряжение питания | 2.5 V ~ 6 V |
| Рабочая температура | -40°C ~ 85°C |
| Корпус | SO16W |
| Вес брутто | 1 г. |
| Наименование | PCF8574T/3,518 |
| Производитель | NXP / Philips |
| Описание Eng | I/O EXPANDER I2C 8B 16SOIC |
| Тип упаковки | Tape and Reel (лента в катушке) |
| Нормоупаковка | 1000 шт |
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