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CD4042B - 产品图解：
CD4042B-CMOS 四路时钟“D”锁存器
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TI产品 - CD4042B介绍

CD4042B - CMOS 四路时钟“D”锁存器

CD4042B是TI德州仪器公司的一款其它锁存器产品，CD4042B是CMOS 四路时钟“D”锁存器，本站介绍了CD4042B的封装应用图解、特点和优点、功能等，并给出了与CD4042B相关的TI元器件型号供参考。

CD4042B - CMOS 四路时钟“D”锁存器 - 其它锁存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

CD4042B types contain four latch circuits, each strobed by a common clock. Complementary buffered outputs are available from each circuit. The impedance of the n- and p-channel output devices is balanced and all outputs are electrically identical.

Information present at the data input is transferred to outputs Q and Q\ during the CLOCK level which is programmed by the POLARITY input. For POLARITY = 0 the transfer occurs during the 0 CLOCK level and for POLARITY = 1 the transfer occurs during the 1 CLOCK level. The outputs follow the data input providing the CLOCK and POLARITY levels defined above are present. When a CLOCK transition occurs (positive for POLARITY = 0 and negative for POLARITY = 1) the information present at the input during the CLOCK transition is retained at the output until an opposite CLOCK transition occurs.

The CD4042B types are supplied in 16-lead hermetic dual-in-line ceramic packages (F3A suffixes), 16-lead dual-in-line plastic package (E suffix), 16-lead small-outline packages (D, DR, DT, DW, DWR, and NSR suffixes), and 16-lead thin shrink small-outline packages (PW and PWR suffixes).

产品特性

  • Clock polarity control
  • Q and Q\ outputs
  • Common Clock
  • Low power TTL compatible
  • 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
  • 5-V, 10-V, and 15-V parametric ratings
  • 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
  • Meets all requirements of JEDEC Tentative Standard No. 13B, "Standard Specifications for Description of ’B’ Series CMOS Devices"
  • Applications:
    • Buffer storage
    • Holding register
    • General digital logic

Data sheet acquired from Harris Semiconductor

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