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74F269SPC Datasheet

  • 74F269SPC

  • 8-Bit Bidirectional Binary Counter

  • 6頁

  • FAIRCHILD

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74F269 8-Bit Bidirectional Binary Counter
April 1988
Revised September 2000
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
74F269SC
74F269SPC
Package Number
M24B
N24C
Package Description
24-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
24-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 鈥淴鈥?to the ordering code.
Logic Symbols
Connection Diagram
IEEE/IEC
Function Table
PE
L
CEP
X
CET
X
U/D
X
CP
H
H
H
H
H
X
L
L
X
H
L
L
X
X
H
L
H
=
HIGH Voltage Level
L
=
LOW Voltage Level
X
=
Immaterial
=
Transition LOW-to-HIGH





Function
Parallel Load All
Flip-Flops
Hold
Hold (TC Held HIGH)
Count Up
Count Down

漏 2000 Fairchild Semiconductor Corporation
DS009510
www.fairchildsemi.com

74F269SPC 產(chǎn)品屬性

  • 15

  • 集成電路 (IC)

  • 邏輯 -計數(shù)器,除法器

  • 74F

  • 二進(jìn)制計數(shù)器

  • 上,下

  • 1

  • 8

  • -

  • -

  • 100MHz

  • 正邊沿

  • 4.5 V ~ 5.5 V

  • 0°C ~ 70°C

  • 通孔

  • 24-DIP(0.300",7.62mm)

  • 24-PDIP

  • 管件

  • 74F26974F269PC

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