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Numéro de référence | 74F169 | ||
Description | 4-Stage Synchronous Bidirectional Counter | ||
Fabricant | Fairchild Semiconductor | ||
Logo | |||
1 Page
April 1988
Revised July 1999
74F169
4-Stage Synchronous Bidirectional Counter
General Description
The 74F169 is a fully synchronous 4-stage up/down
counter. The 74F169 is a modulo-16 binary counter. Fea-
tures a preset capability for programmable operation, carry
lookahead for easy cascading and a U/D input to control
the direction of counting. All state changes, whether in
counting or parallel loading, are initiated by the LOW-to-
HIGH transition of the clock.
Features
s Asynchronous counting and loading
s Built-in lookahead carry capability
s Presettable for programmable operation
Ordering Code:
Order Number Package Number
Package Description
74F169SC
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150 Narrow
74F169SJ
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
74F169PC
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide
Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
© 1999 Fairchild Semiconductor Corporation DS009488
www.fairchildsemi.com
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Pages | Pages 7 | ||
Télécharger | [ 74F169 ] |
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