74F579SJ ,8-Bit Bidirectional Binary Counter with 3-STATE OutputsFeaturesThe 74F579 is a fully synchronous 8-stage up/down
74F579PC-74F579SJ
8-Bit Bidirectional Binary Counter with 3-STATE Outputs
74F579 8-Bit Bidirectional Binary Counter with 3-STATE Outputs April 1988 Revised October 2000 74F579 8-Bit Bidirectional Binary Counter with 3-STATE Outputs General Description Features The 74F579 is a fully synchronous 8-stage up/downMultiplexed 3-STATE I/O ports counter with multiplexed 3-STATE I/O ports for bus-ori-Built-in lookahead carry capability ented applications. It features a preset capability for pro- Count frequency 100 MHz typical grammable operation, carry lookahead for easy cascading Supply current 75 mA typical and a U/D input to control the direction of counting. All state changes, whether in counting or parallel loading, are initi-Guaranteed 4000V minimum ESD protection ated by the rising edge of the clock. Ordering Code: Order Number Package Number Package Description 74F579SC M20B 20-Lead Small Outline Integrated Circuit (SOIC), JEDEC MS-013, 0.300" Wide 74F579SJ M20D 20-Lead Small Outline Package (SOP), EIAJ TYPE II, 5.3mm Wide 74F579PC N20A 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 “X” tot he ordering code. Logic Symbol Connection Diagram © 2000 DS009568
