MC145406N数据手册恩XP中文资料规格书

描述 Description

Overview The MC145406 is a silicon-gate CMOS IC that combines 3 drivers and 3 receivers to fulfillthe electrical specifications of standards EIA-232-D and CCITT V.28. The drivers featuretrue TTL input compatibility, slew-rate limited output, 300 Ω power-off sourceimpedance, and output typically switching to within 25% of the supply rails. The receiverscan handle up to +25V while presenting 3 to 7 kΩ impedance. Hysteresis in the receiveraids reception of noisy signals. By combining both drivers and receivers in a single CMOSchip, the MC145406 provides efficient, low-power solutions for EIA-232-D and V.28applications.

特性 Features

Drivers
±5 to ±12V supply range
300 Ω power-off source impedance
Output current limiting
TTL compatible
Maximum slew rate = 30V/μs
Receivers
±25V input voltage range over the full supply range
3 to 7 kΩ input impedance
Hysteresis on input switchpoint
General
Very low supply currents for long battery life
Operation is independent of power supply sequencing

应用 Application

Modem interface
Voice/data telephone interface
Lap-top computers
UART interface