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TIB82S105BC Datasheet(PDF) 1 Page - Texas Instruments |
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TIB82S105BC Datasheet(HTML) 1 Page - Texas Instruments |
1 / 14 page TIB82S105BC 16 × 48 × 8 FIELD-PROGRAMMABLE LOGIC SEQUENCER WITH 3-STATE OUTPUTS OR PRESET SRPS025A – D2897, SEPTEMBER 1985 – REVISED NOVEMBER 1995 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 Copyright © 1995, Texas Instruments Incorporated 1 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. • 50-MHz Clock Rate • Power-On Preset of All Flip-Flops • 6-Bit Internal State Register With 8-Bit Output Register • Power Dissipation . . . 600 mW Typical • Programmable Asynchronous Preset or Output Control • Functionally Equivalent to, but Faster Than 82S105A† description The TIB82S105BC is a TTL field-programmable state machine of the Mealy type. This state machine (logic sequencer) contains 48 product terms (AND terms) and 14 pairs of sum terms (OR terms). The product and sum terms are used to control the 6-bit internal state register and the 8-bit output register. The outputs of the internal state register (P0 – P5) are fed back and combined with the 16 inputs (I0 – I15) to form the AND array. In addition a single sum term is complemented and fed back to the AND array, which allows any of the product terms to be summed, complemented, and used as an input to the AND array. The state and output registers are positive-edge- triggered S/R flip-flops. These registers are unconditionally preset high during power up. Pin19 can be used to preset both registers or, by blowing the proper fuse, be converted to an output control function. The TIB82S105BC is characterized for operation from 0 °C to 75°C. † Power-up preset and asynchronous preset functions are not identical to 82S105A. See Recommended Operating Conditions. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 28 27 26 25 24 23 22 21 20 19 18 17 16 15 CLK I7 I6 I5 I4 I3 I2 I1 I0 Q7 Q6 Q5 Q4 GND VCC I8 I9 I10 I11 I12 I13 I14 I15 PRE/OE Q0 Q1 Q2 Q3 N PACKAGE (TOP VIEW) 32 1 28 27 12 13 5 6 7 8 9 10 11 25 24 23 22 21 20 19 I10 I11 I12 I13 I14 I15 PRE/OE I4 I3 I2 I1 I0 Q7 Q6 426 14 15 16 17 18 FN PACKAGE (TOP VIEW) |
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