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MFG:ST  Package Cooled:SOP  

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Part Number: 74AC273

 

MFG: ST

Package Cooled: SOP

 

Description: The AC273 and ACT273 have eight edge-triggered D-type flip-flops with individual D-type inputs and Q o...


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74AC273 General Description


The AC273 and ACT273 have eight edge-triggered D-type flip-flops with individual D-type inputs and Q outputs. The common buffered Clock (CP) and Master Reset (MR) input load and reset (clear) all flip-flops simultaneously. The register is fully edge-triggered. The state of each Dtype input, one setup time before the LOW-to-HIGH clock transition, is transferred to the corresponding flip-flop's Q output.

All outputs will be forced LOW independently of Clock or Data inputs by a LOW voltage level on the MR input. The device is useful for applications where the true output only is required and the Clock and Master Reset are common to all storage elements.

74AC273 Maximum Ratings

Supply Voltage (VCC)
DC Input Diode Current (IIK)
VI = −0.5V
VI = VCC + 0.5V
DC Input Voltage (VI)
DC Output Diode Current (IOK)
VO = −0.5V
VO = VCC + 0.5V
DC Output Voltage (VO)
DC Output Source
or Sink Current (IO)
DC VCC or Ground Current
per Output Pin (ICC or IGND)
Storage Temperature (TSTG)
Junction Temperature (TJ)
(PDIP)
−0.5V to +7.0V

−20 mA
+20 mA
−0.5V to VCC + 0.5V

−20 mA
+20 mA
−0.5V to VCC + 0.5V

± 50 mA

± 50 mA
−65°C to +150°C

140°C

74AC273 Features

  Ideal buffer for microprocessor or memory
  Eight edge-triggered D-type flip-flops
  Buffered common clock
  Buffered, asynchronous master reset
  See 377 for clock enable version
  See 373 for transparent latch version
  See 374 for 3-STATE version
  Outputs source/sink 24 mA
 74ACT273 has TTL-compatible inputs

74AC273 Connection Diagram

74AC273  Connection Diagram

74AC273 datasheet

74AC273
PDF/DataSheet Download

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