74F193PCQR

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74F193PCQR 数据手册

April 1988

Revised July 1999

74F193

Up/Down Binary Counter with Separate Up/Down Clocks

that are used as the clocks for subsequent stages without

extra logic, thus simplifying multi-stage counter designs.

General Description

The 74F193 is an up/down modulo-16 binary counter. Sep-

Individual preset inputs allow the circuit to be used as a

arate Count Up and Count Down Clocks are used, and in

programmable counter. Both the Parallel Load (PL) and the

either counting mode the circuits operate synchronously.

Master Reset (MR) inputs asynchronously override the

The outputs change state synchronously with the LOW-to-

clocks.

HIGH transitions on the clock inputs. Separate Terminal

Count Up and Terminal Count Down outputs are provided

Ordering Code:

Order Number Package Number

Package Description

74F193SC

74F193SJ

74F193PC

M16A

M16D

N16E

16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” 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” Wide

Devices also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.

Logic Symbols

Connection Diagram

IEEE/IEC

DS009497

www.fairchildsemi.com

12 3 4 5 6 7

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型号	品牌	获取价格	描述	数据表
74F193PCX	FAIRCHILD	获取价格	Counter
74F193QC	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional,
74F193SC	FAIRCHILD	获取价格	Up/Down Binary Counter with Separate Up/Down Clocks
74F193SC	NSC	获取价格	Up/Down Binary Counter with Separate Up/Down Clocks
74F193SC	ROCHESTER	获取价格	F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16, 0.1
74F193SCQR	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional,
74F193SCX	ROCHESTER	获取价格	F/FAST SERIES, SYN POSITIVE EDGE TRIGGERED 4-BIT BIDIRECTIONAL BINARY COUNTER, PDSO16, 0.1
74F193SDC	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional,
74F193SDCQR	FAIRCHILD	获取价格	Binary Counter, F/FAST Series, Synchronous, Positive Edge Triggered, 4-Bit, Bidirectional,
74F193SJ	FAIRCHILD	获取价格	Up/Down Binary Counter with Separate Up/Down Clocks