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MPC911 bảng dữ liệu(PDF) 1 Page - Motorola, Inc |
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MPC911 bảng dữ liệu(HTML) 1 Page - Motorola, Inc |
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1 / 4 page ![]() MOTOROLA SEMICONDUCTOR TECHNICAL DATA 1 REV 1 © Motorola, Inc. 1996 1/96 Low-Voltage 1:9 Differential ECL/HSTL to HSTL Clock Driver The MPC9111 is a low skew 1–to–9 differential HSTL compatible output fanout buffer. The device is functionally equivalent to the MC100LVE111 device. The device accepts either LVPECL or HSTL compatible input levels and provides 9 low skew differential HSTL compatible outputs. The device operates from a single 3.3V VCC supply. • 800ps Part–to–Part Skew • 250ps Output–to–Output Skew • Open Emitter HSTL Compatible Outputs • Differential Design • 28–Lead PLCC • 3.3V VCC The MPC911 HSTL outputs are not realized in the conventional manner. To minimize part–to–part and output–to–output skew the HSTL compatible output levels are generated with an open emitter architecture. The outputs are pulled down with 50 Ω to ground rather than the typical 50 Ω to VDDQ pullup of a “standard” HSTL output. Because the HSTL outputs are pulled to ground the MPC911 does not utilize the VDDQ supply of the HSTL standard. The output levels are derived from VCC, an internal regulator minimizes the output level variation with VCC variations. 1 56 7 8 9 10 11 25 24 23 22 21 20 19 26 27 28 2 3 4 18 17 16 15 14 13 12 VEE CLK_Sel HSTL_CLK VCC HSTL_CLK PECL_CLK PECL_CLK Q3 Q3 Q4 VCCO Q4 Q5 Q5 Pinout: 28-Lead PLCC (Top View) Q0 Q0 Q1 VCCO Q1 Q2 Q2 Q8 Q7 Q6 Q8 VCCO Q7 Q6 MPC911 LOW-VOLTAGE 1:9 DIFFERENTIAL ECL/HSTL TO HSTL CLOCK DRIVER FN SUFFIX PLASTIC PACKAGE CASE 776-02 PIN NAMES Function Differential HSTL Input Differential PECL Input Differential Outputs Pins HSTL_CLK, HSTL_CLK PECL_CLK, PECL_CLK Q0–Q8, Q0–Q8 |
Số phần tương tự - MPC911 |
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Mô tả tương tự - MPC911 |
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