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74F193 Datasheet

  • 74F193

  • Up/Down Binary Counter with Separate Up/Down Clocks

  • 7頁

  • FAIRCHILD

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74F193 Up/Down Binary Counter with Separate Up/Down Clocks
April 1988
Revised July 1999
74F193
Up/Down Binary Counter with Separate Up/Down Clocks
General Description
The 74F193 is an up/down modulo-16 binary counter. Sep-
arate Count Up and Count Down Clocks are used, and in
either counting mode the circuits operate synchronously.
The outputs change state synchronously with the LOW-to-
HIGH transitions on the clock inputs. Separate Terminal
Count Up and Terminal Count Down outputs are provided
that are used as the clocks for subsequent stages without
extra logic, thus simplifying multi-stage counter designs.
Individual preset inputs allow the circuit to be used as a
programmable counter. Both the Parallel Load (PL) and the
Master Reset (MR) inputs asynchronously override the
clocks.
Ordering Code:
Order Number
74F193SC
74F193SJ
74F193PC
Package Number
M16A
M16D
N16E
Package Description
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150鈥?Narrow Body
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300鈥?Wide
Devices also available in Tape and Reel. Specify by appending suffix letter 鈥淴鈥?to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
漏 1999 Fairchild Semiconductor Corporation
DS009497
www.fairchildsemi.com

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