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MFG:FAIRCHILD  Package Cooled:SOP14  

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Part Number: 74ACT74

 

MFG: FAIRCHILD

Package Cooled: SOP14

 

Description: The AC/ACT74 is a dual D-type flip-flop with Asynchronou Clear and Set inputs and complementary (Q, Q)...


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74ACT74 General Description


The AC/ACT74 is a dual D-type flip-flop with Asynchronou Clear and Set inputs and complementary (Q, Q) outputs Information at the input is transferred to the outputs on the positive edge of the clock pulse. Clock triggering occurs at a voltage level of the clock pulse and is not directly related to the transition time of the positive-going pulse. After the Clock Pulse input threshold voltage has been passed, the Data input is locked out and information present will not be transferred to the outputs until the next rising edge of the Clock Pulse input.

74ACT74 Maximum Ratings

Supply Voltage (VCC )                      -0.5V to+7.0V
DC Input Diode Current (IIK)
VI = -0.5V                                                    -20 mA
VI = VCC +0.5V                                           +20 mA
DC Input Voltage (VI)               -0.5V to VCC +0.5V
DC Output Diode Current (IOK)
VI = -0.5V                                                     -20 mA
VI = VCC +0.5V                                            +20 mA
DC Output Voltage (VO)             -0.5V to VCC +0.5V
DC Output Source
or Sink Current (IO)                                    ±50 mA
DC VCC or Ground Current
per Output Pin (ICC or IGND)                        ±50 mA
Storage Temperature (TSTG )        -65 to +150
Junction Temperature (TJ)
PDIP                                                                140



 

74ACT74 Features

ICC reduced by 50%
Output source/sink 24 mA
ACT74 has TTL-compatible inputs

74ACT74 Typical Application

LOW input to SD (Set) sets Q to HIGH level
LOW input to CD (Clear) sets Q to LOW level
Clear and Set are independent of clock
Simultaneous LOW on CD and SD  makes both Q and Q HIGH
   

74ACT74 Connection Diagram

74ACT74  Connection Diagram

74ACT74 datasheet

74ACT74
PDF/DataSheet Download

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