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MC100LVEP14DT Datasheet(PDF) 1 Page - ON Semiconductor |
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MC100LVEP14DT Datasheet(HTML) 1 Page - ON Semiconductor |
1 / 9 page © Semiconductor Components Industries, LLC, 2006 November, 2006 − Rev. 11 1 Publication Order Number: MC100LVEP14/D MC100LVEP14 2.5V / 3.3V1:5 Differential ECL/PECL/HSTL Clock Driver Description The MC100LVEP14 is a low skew 1−to−5 differential driver, designed with clock distribution in mind, accepting two clock sources into an input multiplexer. The ECL/PECL input signals can be either differential or single−ended (if the VBB output is used). HSTL inputs can be used when the LVEP14 is operating under PECL conditions. The LVEP14 specifically guarantees low output−to−output skew. Optimal design, layout, and processing minimize skew within a device and from device to device. To ensure that the tight skew specification is realized, both sides of any differential output need to be terminated identically into 50 W even if only one output is being used. If an output pair is unused, both outputs may be left open (unterminated) without affecting skew. The common enable (EN) is synchronous, outputs are enabled/ disabled in the LOW state. This avoids a runt clock pulse when the device is enabled/disabled as can happen with an asynchronous control. The internal flip flop is clocked on the falling edge of the input clock; therefore, all associated specification limits are referenced to the negative edge of the clock input. The MC100LVEP14, as with most other ECL devices, can be operated from a positive VCC supply in PECL mode. This allows the LVEP14 to be used for high performance clock distribution in +3.3 V or +2.5 V systems. Single−ended CLK input pin operation is limited to a VCC ≥ 3.0 V in PECL mode, or VEE ≤ −3.0 V in NECL mode. Designers can take advantage of the LVEP14’s performance to distribute low skew clocks across the backplane or the board. Features • 100 ps Device−to−Device Skew • 25 ps Within Device Skew • 400 ps Typical Propagation Delay • Maximum Frequency > 2 GHz Typical • The 100 Series Contains Temperature Compensation • PECL and HSTL Mode: VCC = 2.375 V to 3.8 V with VEE = 0 V • NECL Mode: VCC = 0 V with VEE = −2.375 V to −3.8 V • LVDS Input Compatible • Open Input Default State • Pb−Free Packages are Available* *For additional information on our Pb−Free strategy and soldering details, please download the ON Semiconductor Soldering and Mounting Techniques Reference Manual, SOLDERRM/D. TSSOP−20 DT SUFFIX CASE 948E MARKING DIAGRAM* A = Assembly Location L = Wafer Lot Y = Year W = Work Week G = Pb−Free Package 100 VP14 ALYWG 1 20 *For additional marking information, refer to Application Note AND8002/D. See detailed ordering and shipping information in the package dimensions section on page 6 of this data sheet. ORDERING INFORMATION http://onsemi.com G (Note: Microdot may be in either location) |
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