SN74LS73A

The SN74LS73A is designed as dual JK negative edge-triggered flip-flop which offers individual J, K, clear, and clock inputs. These dual flip-flops are designed so that when the clock goes high, the inputs are enabled and data will be accepted.

Some guaranteed operating ranges of SN74LS73A have been concluded into several points as follow. (1)Its supply voltage range would be min 4.75V and typ 5.0V and max 5.25V. (2)Its operating ambient temperature range would be min 0°C and typ 25°C and max 70°C. (3)Its output current high level would be max -0.4mA. (4)Its output current low level would be max 8.0mA.

Also some DC characteristics of SN74LS73A are concluded into several points as follow. (1)Its input high voltage would be min 2.0V with conditions of guaranteed input high voltage for all inputs. (2)Its input low voltage would be max 0.8V with conditions of guaranteed input low voltage for all inputs. (3)Its input clamp diode voltage would be typ -0.65V and max -1.5V with condition of Vcc=min, Iin=-18mA. (4)Its output high voltage would be min 2.7V and typ 3.5V. (5)Its output low voltage would be typ 0.25V and max 0.4V with condition of Iol=4.0mA and would be typ 0.35V and max 0.5V with condition of Iol=8mA. (6)Its input high current would be max 20uA for JK with condition of Vcc=max and Vin=2.7V and it would be max 0.1mA for JK with condition of Vcc=max and Vin=7.0V. (7)Its input low current would be max -0.4mA for JK. (8)Its short circuit current would be min -20mA and max -100mA with condition of Vcc=max. (9)Its power supply current would be max 6mA with condition of Vcc=max.

And some AC characteristics of SN74LS73A are concluded into several points as follow. (1)Its maximum clock frequency would be min 30MHz and typ 45MHz. (2)Its propagation delay, clock to output would be typ 15ns and max 20ns. (3)Its clock pulse width high would be min 20ns. (4)Its clear pulse width would be min 25ns. (5)Its setup time would be min 20ns. And so on. If you have any question or suggestion or want to know more information please contact us for details. Thank you!