SY10EL34LZC - Brand New Microchip Technology Clock Generators / Frequency Synthesizers / PLL
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DESCRIPTION
The SY10/100EL34/L are low skew ÷2, ÷4, ÷8 clock generation chips designed explicitly for low skew clock generation applications. The internal dividers are synchronous to each other, therefore, the common output edges are all precisely aligned. The devices can be driven by either a differential or single-ended ECL or, if positive power supplies are used, PECL input signal. In addition, by using the VBB output, a sinusoidal source can be AC coupled into the device. If a single-ended input is to be used, the VBB output should be connected to the CLK input and bypassed to ground via a 0.01µF capacitor. The VBB output is designed to act as the switching reference for the input of the EL34/L under single-ended input conditions. As a result, this pin can only source/sink up to 0.5mA of current.
The common enable (EN) is synchronous so that the internal dividers will only be enabled/disabled when the internal clock is already in the LOW state. This avoids any chance of generating a runt clock pulse on the internal clock when the device is enabled/disabled as can happen with an asynchronous control. An internal runt pulse could lead to losing synchronization between the internal divider stages. The internal enable flip-flop is clocked on the falling edge of the divider stages. The internal enable 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.
Upon start-up, the internal flip-flops will attain a random state; the master reset (MR) input allows for the synchronization of the internal dividers, as well as for multiple EL34/Ls in a system.FEATURES
■ 3.3V and 5V power supply options
■ 50ps output-to-output skew
■ Synchronous enable/disable
■ Master Reset for synchronization
■ Internal 75KΩ input pull-down resistors
■ Available in 16-pin SOIC package -
Similar parts: 9857 , Click to view
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Datasheet
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- Datasheet: Download SY10EL34LZC
- Chipdatas Part: CD93-SY10EL34LZC
- Warehouse: China, Hong Kong
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- Last Updated: 2024/06/12 23:52 +0800
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