Datasheet Texas Instruments SN74LV221AD — 数据表


  
    


  

SCLS450G -DECEMBER 1999 -REVISED APRIL 2005 D 2-V to 5.5-V VCC Operation
D Max tpd of 11 ns at 5 V
D Support Mixed-Mode Voltage Operation on
D
D
D D Ioff Supports Partial-Power-Down Mode
D All Ports
Schmitt-Trigger Circuitry on A, B, and CLR
Inputs for Slow Input Transition Rates
Overriding Clear Terminates Output Pulse
Glitch-Free Power-Up Reset on Outputs D SN54LV221A . FK PACKAGE
(TOP VIEW) 1 16 2 15 3 14 4 13 5 12
11 7 10 8 9 VCC
1Rext/Cext
1Cext
1Q
2Q
2CLR
2B
2A 1CLR
1Q …