74F190 - Up/Down Decade Counter
(Fairchild)
54F 74F189 64-Bit Random Access Memory with TRI-STATE Outputs
August 1995
54F 74F189 64-Bit Random Access Memory with TRI-STATE Outputs
General Desc.
74F190 - Up/Down Decade Counter
(National Semiconductor)
..
54F 74F190 Up Down Decade Counter with Preset and Ripple Clock
November 1994
54F 74F190 Up Down Decade Counter with Preset and .
74F191 - Up/Down Binary Counter
(Fairchild)
74F191 Up/Down Binary Counter with Preset and Ripple Clock
April 1988 Revised July 1999
74F191 Up/Down Binary Counter with Preset and Ripple Clock
G.
74F191 - Up/Down Binary Counter
(National Semiconductor)
..
54F 74F191 Up Down Binary Counter with Preset and Ripple Clock
November 1994
54F 74F191 Up Down Binary Counter with Preset and .
74F192 - Up/Down Decade Counter
(Fairchild)
74F192 Up/Down Decade Counter with Separate Up/Down Clocks
April 1988 Revised March 1999
74F192 Up/Down Decade Counter with Separate Up/Down Clocks
.
74F192 - Up/Down Decade Counter
(National Semiconductor)
..
54F 74F192 Up Down Decade Counter with Separate Up Down Clocks
November 1994
54F 74F192 Up Down Decade Counter with Separate Up.