CD4048B - CMOS 多功能可扩展 8 输入门

CD4048B是TI德州仪器公司的一款可配置门产品，CD4048B是CMOS 多功能可扩展 8 输入门，本站介绍了CD4048B的封装应用图解、特点和优点、功能等，并给出了与CD4048B相关的TI元器件型号供参考。

CD4048B - CMOS 多功能可扩展 8 输入门 - 可配置门 - 门 - 德州仪器

产品描述

CD4048B is an 8-input gate having four control inputs. Three binary control inputs - Ka, Kb, and Kc - provide the implementation of eight different logic functions. These functions are OR, NOR, AND, NAND, OR/AND, OR/NAND, AND/OR and AND/NOR.

A fourth control input, Kd, provides the user with a 3-state output. When control input Kd is high, the output is either a logic 1 or a logic 0 depending on the inner states. When control input Kd is low, the output is an open circuit. This feature enables the user to connect this device to a common bus line.

In addition to the eight input lines, an EXPAND input is provided that permits the user to increase the number of inputs into a CD4048B (see Fig. 2). For example, two CD4048Bs can be cascaded to provide a 16-input multifunction gate. When the EXPAND input is not used, it should be connected to VSS.

The CD4048B-series 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).

产品特性

Three-state output
Many logic functions available in one package
Standardized, symmetrical output characteristics
100% tested for quiescent current at 20 V
Maximum input current of 1 µA at 18 V (full package-temperature range), 100 nA at 18 V and 25°C
Noise margin (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
- Selection of up to 8 logic functions
- Digital control of logic
- General-purpose gating logic - Decoding - Encoding

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