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SN10KHT5574 Datasheet(PDF) 1 Page - Texas Instruments |
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SN10KHT5574 Datasheet(HTML) 1 Page - Texas Instruments |
1 / 7 page SN10KHT5574 OCTAL ECL-TO-TTL TRANSLATOR WITH D-TYPE EDGE-TRIGGERED FLIP-FLOPS AND 3-STATE OUTPUTS SDZS010 – JANUARY 1990 – REVISED OCTOBER 1990 Copyright © 1990, Texas Instruments Incorporated 1 POST OFFICE BOX 655303 • DALLAS, TEXAS 75265 • 10KH Compatible • ECL Clock and TTL Control Inputs • Flow-Through Architecture Optimizes PCB Layout • Center Pin V CC, VEE, and GND Configurations Minimize High-Speed Switching Noise • Package Options Include “Small Outline” Packages and Standard Plastic DIPs description This octal ECL-to-TTL translator is designed to provide efficient translation between a 10KH ECL signal environment and a TTL signal environment. This device is designed specifically to improve the performance and density of ECL-to-TTL CPU/bus-oriented functions such as memory-address drivers, clock drivers, and bus-oriented receivers and transmitters. The eight flip-flops of the SN10KHT5574 are edge-triggered D-type flip-flops. On the positive transition of the clock, the Q outputs are set to the logic levels that were set up at the D inputs. A buffered output-enable input (OE) can be used to place the eight outputs in either a normal logic state (high or low logic levels) or a high-impedance state. In the high-impedance state, the outputs neither load nor drive the bus lines significantly. The high-impedance third state and increased drive provide the capability to drive bus lines without need for interface or pullup components. The output-enable input OE does not affect the internal operations of the flip-flops. Old data can be retained or new data can be entered while the outputs are off. The SN10KHT5574 is characterized for operation from 0 °C to 75°C. FUNCTION TABLE OE CLK D INPUTS Q OUTPUT (TTL) L ↑ LL L ↑ HH LL X Qo HX X Z 1 2 3 4 5 6 7 8 9 10 11 12 24 23 22 21 20 19 18 17 16 15 14 13 1Q 2Q 3Q 4Q VCC GND GND GND 5Q 6Q 7Q 8Q 1D 2D 3D 4D OE(TTL) VEE GND CLK(ECL) 5D 6D 7D 8D DW OR NT PACKAGE (TOP VIEW) 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. |
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