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74ACT11593 Datasheet(PDF) 1 Page - Texas Instruments |
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74ACT11593 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 9 page 74ACT11593 8BIT BINARY COUNTER WITH PARALLELINPUT REGISTERS AND 3STATE OUTPUTS SCAS203 − JUNE 1992 − REVISED APRIL 1993 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 POST OFFICE BOX 1443 • HOUSTON, TEXAS 77001 Copyright 1993, Texas Instruments Incorporated 2−1 • Inputs Are TTL-Voltage Compatible • Parallel Register Inputs/Binary Counter/3-State Outputs • Counter Has Direct Overriding Load and Clear • Flow-Through Architecture Optimizes PCB Layout • Center-Pin V CC and GND Configurations Minimize High-Speed Switching Noise • EPIC (Enhanced-Performance Implanted CMOS) 1- µm Process • 500-mA Typical Latch-Up Immunity at 125°C • Package Options Include Plastic Small-Outline Packages and Standard Plastic 300-mil DIPs description The 74ACT11593 contains eight multiplexed parallel I/Os with 3-state output capability and an 8-bit storage register that feeds an 8-bit binary counter. Both the register and the counter have individual positive-edge triggered clocks. The function tables show the operation of the counter clock-enable (CCKEN, CCKEN) and output-enable (OE, OE) inputs. The counter input has direct load and clear functions. A low-going RCO pulse is obtained when the counter reaches the hex word FF. Expansion is easily accomplished for two stages by connecting RCO of the first stage to CCKEN of the second stage. Cascading for larger count chains is accomplished by connecting RCO of each stage to CCK of the following stage. The 74ACT11593 is characterized for operation from − 40 °C to 85°C. Function Tables COUNTER CLOCK ENABLE OUTPUT ENABLE INPUTS OUTPUTS A/Q THRU H/Q INPUTS OUTPUTS A/Q THRU H/Q CCKEN CCKEN OUTPUTS A/QA THRU H/QH OE OE OUTPUTS A/QA THRU H/QH L L Disable L L Input mode L H Disable L H Input mode H L Enable H L Output mode H H Disable H H Input mode PRODUCTION DATA information is current as of publication date. Products conform to specifications per the terms of Texas Instruments standard warranty. Production processing does not necessarily include testing of all parameters. EPIC is a trademark of Texas Instruments Incorporated. 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 A/QA B/QB C/QC D/QD GND GND GND GND E/QE F/QF G/QG H/QH CCK CCLR CCKEN CCKEN CLOAD VCC VCC OE OE RCK RCK RCO DW OR NT PACKAGE (TOP VIEW) |
Número de pieza similar - 74ACT11593_09 |
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