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74F579SC Datasheet

  • 74F579SC

  • 8-Bit Bidirectional Binary Counter with 3-STATE Outputs

  • 74.40KB

  • 7頁(yè)

  • FAIRCHILD

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74F579 8-Bit Bidirectional Binary Counter with 3-STATE Outputs
April 1988
Revised August 1999
74F579
8-Bit Bidirectional Binary Counter with 3-STATE Outputs
General Description
The 74F579 is a fully synchronous 8-stage up/down
counter with multiplexed 3-STATE I/O ports for bus-ori-
ented applications. It features a preset capability for pro-
grammable 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 initi-
ated by the rising edge of the clock.
Features
s
Multiplexed 3-STATE I/O ports
s
Built-in lookahead carry capability
s
Count frequency 100 MHz typical
s
Supply current 75 mA typical
s
Guaranteed 4000V minimum ESD protection
Ordering Code:
Order Number
74F579SC
74F579SJ
74F579PC
Package Number
M20B
M20D
N20A
Package Description
20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide
20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide
20-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?tot he ordering code.
Logic Symbol
Connection Diagram
漏 1999 Fairchild Semiconductor Corporation
DS009568
www.fairchildsemi.com

74F579SC 產(chǎn)品屬性

  • 1,080

  • 集成電路 (IC)

  • 邏輯 -計(jì)數(shù)器,除法器

  • 74F

  • 二進(jìn)制計(jì)數(shù)器

  • 上,下

  • 1

  • 8

  • 同步

  • -

  • -

  • 正邊沿

  • 4.5 V ~ 5.5 V

  • 0°C ~ 70°C

  • 表面貼裝

  • 20-SOIC(0.295",7.50mm 寬)

  • 20-SOIC

  • 管件

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