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PDF 74AC169 Data sheet ( Hoja de datos )
| Número de pieza | 74AC169 | |
| Descripción | 4-Stage Synchronous Bidirectional Counter | |
| Fabricantes | Fairchild Semiconductor | |
| Logotipo |  |
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November 1988
Revised November 1999
74AC169
4-Stage Synchronous Bidirectional Counter
General Description
The AC169 is fully synchronous 4-stage up/down counter.
The AC169 is a modulo-16 binary counter. It features a
preset capability for programmable operation, carry looka-
head for easy cascading and a U/D input to control the
direction of counting. All state changes, whether in count-
ing or parallel loading, are initiated by the LOW-to-HIGH
transition of the Clock.
Features
s ICC reduced by 50%
s Synchronous counting and loading
s Built-In lookahead carry capability
s Presettable for programmable operation
s Outputs source/sink 24 mA
Ordering Code:
Order Number
74AC169SC
74AC169SJ
74AC169MTC
74AC169PC
Package Number
Package Description
M16A
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 0.150” Narrow Body
M16D
16-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
MTC16
16-Lead Thin Shrink Small Outline Package (TSSOP), JEDEC MO-153, 4.4mm Wide
N16E
16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300” Wide
Device also available in Tape and Reel. Specify by appending suffix letter “X” to the ordering code.
Logic Symbols
Connection Diagram
www.DataSheet4U.com
IEEE/IEC
Pin Descriptions
Pin Names
CEP
CET
CP
P0–P3
PE
U/D
Q0–Q3
TC
Description
Count Enable Parallel Input
Count Enable Trickle Input
Clock Pulse Input
Parallel Data Inputs
Parallel Enable Input
Up-Down Count Control Input
Flip-Flop Outputs
Terminal Count Output
FACT is a trademark of Fairchild Semiconductor Corporation.
© 1999 Fairchild Semiconductor Corporation DS009934
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted
16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-012, 1.150” Narrow Body
Package Number M16A
5 www.fairchildsemi.com
5 Page | ||
| Páginas | Total 8 Páginas | |
| PDF Descargar | [ Datasheet 74AC169.PDF ] | |
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