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SI14 数据表(PDF) 1 Page - ABCircuits |
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SI14 数据表(HTML) 1 Page - ABCircuits |
1 / 6 page Turning Ideas Into Reality ABCircuits www.abcircuits.com POB 123 New Hill NC 27562 (919) 290-7104 Part Number 74C922-SO Copyright © 2014 ABCircuits. Revised September 2014 Page 1 of 6 SI14 IC Serial Input IC For 14 Bits of Input General Description The SI14 IC is designed to provide 14 bits of input data to connect to RS-232, RS-485, USB, Ethernet or directly to your UART. Inputs can be from switches, relay contacts, logic, optocouplers or a transistor switched to ground. The SI14 has internal pull resistors on the inputs to minimize additional parts. The SI14 IC transmits data anytime the inputs change or after a delay of 100 or 1000 mS. The output of the SI14 is standard asynchronous format, using 8 bits, 1 stop and no parity at 9600 BPS. Other formats and encoding are available, contact the factory. A .1 uF bypass capacitor is suggested across the VDD and VSS pins. The part uses the standard 20 pin .3 inch width SOIC package. This part may be paired with the SO14 chip to achieve 14 bits of input and output, except on RS-485 interfaces. Features • Asynchronous serial input for up to 14 bits of data. • For input monitoring using RS-232, RS-485, USB or Ethernet or UART. • Connects to switches, relay contacts, optocouplers, and logic. • No external parts required. • Low power consumption 5 mA typical. • Supply voltage 2.4 to 5.25 volts. • All timing internally generated. • On chip input pull up resistors on all inputs. • TTL and CMOS compatible outputs. • Part is in full production. • SOIC and DIP 20 Pin Package. • ROHS Compliant • Low EMI Applications • Input Expansion • Remote control • Process control • Building Automation • Off site monitoring • Security systems • Internet of things • Machine control |
类似零件编号 - SI14 |
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类似说明 - SI14 |
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