- 74AC191
Up/Down Counter with Preset Ripple Clock - 74AC191CW
Up/Down Counter with Preset and Ripple Clock - 74AC191MTC
Up/Down Counter with Preset Ripple Clock - 74AC191MTCX
Up/Down Counter with Preset Ripple Clock - 74AC191PC
Up/Down Counter with Preset Ripple Clock - 74AC191PCQR
Asynchronous Up/Down Counter - 74AC191SC
Up/Down Counter with Preset Ripple Clock - 74AC191SCQR
Asynchronous Up/Down Counter - 74AC191SCX
Up/Down Counter with Preset Ripple Clock - 74AC191SJ
Up/Down Counter with Preset Ripple Clock - 74AC191SJX
Up/Down Counter with Preset Ripple Clock