CD74HC563 - 具有三态输出的高速 CMOS 逻辑八路反向透明锁存器

CD74HC563是TI德州仪器公司的一款D类锁存器产品，CD74HC563是具有三态输出的高速 CMOS 逻辑八路反向透明锁存器，本站介绍了CD74HC563的封装应用图解、特点和优点、功能等，并给出了与CD74HC563相关的TI元器件型号供参考。

CD74HC563 - 具有三态输出的高速 CMOS 逻辑八路反向透明锁存器 - D类锁存器 - 触发器/锁存器/寄存器 - 德州仪器

产品描述

The ’HC533, ’HCT533, ’HC563, and CD74HCT563 are high speed Octal Transparent Latches manufactured with silicon gate CMOS technology. They possess the low power con-sumption of standard CMOS integrated circuits, as well as the ability to drive 15 LSTTL devices.

The outputs are transparent to the inputs when the latch enable (LE\) is high. When the latch enable (LE\) goes low the data is latched. The output enable (OE\) controls the three-state outputs. When the output enable (OE\) is high the outputs are in the high impedance state. The latch operation is independent of the state of the output enable.

The ’HC533 and ’HCT533 are identical in function to the ’HC563 and CD74HCT563 but have different pinouts. The ’HC533 and ’HCT533 are similar to the ’HC373 and ’HCT373; the latter are non-inverting types.

产品特性

Common Latch-Enable Control
Common Three-State Output Enable Control
Buffered Inputs
Three-State Outputs
Bus Line Driving Capacity
Typical Propagation Delay = 13ns at VCC = 5V, CL = 15pF, TA = 25°C (Data to Output)
Fanout (Over Temperature Range)
- Standard Outputs . . . . . . . . . . . . . . . 10 LSTTL Loads
- Bus Driver Outputs . . . . . . . . . . . . . 15 LSTTL Loads
Wide Operating Temperature Range . . . -55°C to 125°C
Balanced Propagation Delay and Transition Times
Significant Power Reduction Compared to LSTTL Logic ICs
HC Types
- 2V to 6V Operation
- High Noise Immunity: NIL = 30%, NIH = 30% of VCC at VCC = 5V
HCT Types
- 4.5V to 5.5V Operation
- Direct LSTTL Input Logic Compatibility, VIL = 0.8V (Max), VIH = 2V (Min)
- CMOS Input Compatibility, Il ≤ 1µA at VOL, VOH

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