CD74HC273 High Speed CMOS Logic Octal D-Type Flip-Flops with Reset | TI.com

CD74HC273 (ACTIVE) High Speed CMOS Logic Octal D-Type Flip-Flops with Reset

High Speed CMOS Logic Octal D-Type Flip-Flops with Reset - CD74HC273
Datasheet
 

Description

The ’HC273 and ’HCT273 high speed octal D-Type flip-flops with a direct clear input are manufactured with silicon-gate CMOS technology. They possess the low power consumption of standard CMOS integrated circuits.

Information at the D inputis transferred to the Q outputs on the positive-going edge of the clock pulse. All eight flip-flops are controlled by a common clock (CP) and a common reset (MR). Resetting is accomplished by a low voltage level independent of the clock. All eight Q outputs are reset to a logic 0.

Features

  • Common Clock and Asynchronous Master Reset
  • Positive Edge Triggering
  • Buffered Inputs
  • 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

Data sheet acquired from Harris Semiconductor

Parametrics

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Part number Order Technology Family VCC (Min) (V) VCC (Max) (V) Bits (#) Voltage (Nom) (V) F @ nom voltage (Max) (MHz) ICC @ nom voltage (Max) (mA) tpd @ nom Voltage (Max) (ns) IOL (Max) (mA) IOH (Max) (mA) 3-state output Rating Operating temperature range (C)
CD74HC273 Order now HC     2     6     8     3.3
5    
28     0.08     30     5.2     -5.2     No     Catalog     -55 to 125    
CD54HC273 Samples not available HC     2     6     8     3.3
5    
28     0.08     30     5.2     -5.2     No     Military     -55 to 125