Datasheet Texas Instruments CD74HCT191E — 数据表
















 
 
   

SCHS275E -MARCH 2002 -REVISED OCTOBER 2003 D 2-V to 6-V VCC Operation (’HC190, 191)
D 4.5-V to 5.5-V VCC Operation (’HCT191)
D Wide Operating Temperature Range of
D
D
D
D
D
D CD54HC190, 191; CD54HCT191 . F PACKAGE
CD74HC190 . E, NS, OR PW PACKAGE
CD74HC191, CD74HCT191 . E OR M PACKAGE
(TOP VIEW) -55В°C to 125В°C
Synchronous Counting and Asynchronous
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Two Outputs for n-Bit Cascading
Look-Ahead Carry for High-Speed Counting
Balanced Propagation Delays and
Transition Times …