CD40257B中文资料CMOS 四路 2 线至 1 线数据选择器/多路复用器数据手册TI规格书

描述 Description

CD40257B is a Data Selector/Multiplexer featuring three-state outputs which can interface directly with and drive data lines of bus-oriented systems.

The CD40257B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffix), 16-lead dual-in-line plastic packages (E suffix), 16-lead small-outline packages (M, M96, MT and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

特性 Features

• 3-state outputs
• Standardized, symmetrical output characteristics
• 100% tested for quiescent current at 20 V
• Maximum Input current of 1 µA at 18 V over full package temperature range: 100 nA at 18 V and 25°C
• Noise Margin (over full package-temperature range):      1 V at VDD = 5 V      2 V at VDD = 10 V      2.5 V at VDD = 15 V
• 5-V, 10-V, and 15-V parametric ratings
• Meets all requirements of JEDEC Tentative Standard No. 13B, \"Standard Specifications for Description of 'B' Series CMOS Devices\"
• Applications:
• Digital Multiplexing
• Shift-right/shift-left registers
• True/complement selection