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PDF 74F269SC Data sheet ( Hoja de datos )
| Número de pieza | 74F269SC | |
| Descripción | 8-Bit Bidirectional Binary Counter | |
| Fabricantes | Fairchild | |
| Logotipo |  |
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April 1988
Revised August 1999
74F269
8-Bit Bidirectional Binary Counter
General Description
The 74F269 is a fully synchronous 8-stage up/down
counter featuring 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
rising edge of the clock.
Features
s Synchronous counting and loading
s Built-in lookahead carry capability
s Count frequency 100 MHz
s Supply current 113 mA typ
s 300 mil slimline package
Ordering Code:
Order Number Package Number
Package Description
74F269SC
M24B
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
74F269SPC
N24C
24-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-100, 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
Function Table
PE CEP CET U/D
LX X X
HH X X
HX H X
HL L H
HL L L
H = HIGH Voltage Level
L = LOW Voltage Level
X = Immaterial
= Transition LOW-to-HIGH
CP Function
Parallel Load All
Flip-Flops
Hold
Hold (TC Held HIGH)
Count Up
Count Down
© 1999 Fairchild Semiconductor Corporation DS009510
www.fairchildsemi.com
1 page  
Physical Dimensions inches (millimeters) unless otherwise noted
28-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
Package Number M24B
5 www.fairchildsemi.com
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet 74F269SC.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| 74F269SC | 8-Bit Bidirectional Binary Counter | Fairchild |
| 74F269SPC | 8-Bit Bidirectional Binary Counter | Fairchild |
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