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74F779SC 数据表(PDF) 1 Page - Fairchild Semiconductor |
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74F779SC 数据表(HTML) 1 Page - Fairchild Semiconductor |
1 / 7 page © 2000 Fairchild Semiconductor Corporation DS009593 www.fairchildsemi.com April 1988 Revised March 2000 74F779 8-Bit Bidirectional Binary Counter with 3-STATE Outputs General Description The 74F779 is a fully synchronous 8-stage up/down counter with multiplexed 3-STATE I/O ports for bus-ori- ented applications. All control functions (hold, count up, count down, synchronous load) are controlled by two mode pins (S0, S1). The device also features carry lookahead for easy cascading. All state changes are initiated 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 typ s Supply current 80 mA typ s Available in SOIC (300 mil only) Ordering Code: Devices also available in Tape and Reel. Specify by appending the suffix letter “X” to the ordering code. Logic Symbol Connection Diagram Order Number Package Number Package Description 74F779SC M16B 16-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300 Wide 74F779PC N16E 16-Lead Plastic Dual-In-Line Package (PDIP), JEDEC MS-001, 0.300 Wide |
类似零件编号 - 74F779SC |
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类似说明 - 74F779SC |
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