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MC12028A - MECL PLL COMPONENTS 64/65 / 128/129 DUAL MODULUS PRESCALER

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Part number MC12028A
Manufacturer Motorola
File Size 93.34 KB
Description MECL PLL COMPONENTS 64/65 / 128/129 DUAL MODULUS PRESCALER
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Order this document by MC12028A/D MC12028A 1.1 GHz Dual Modulus Prescaler The MC12028A can be used with CMOS synthesizers requiring positive edges to trigger internal counters such as Motorola’s MC145XXX series in a PLL to provide tuning signals up to 1.1 GHz in programmable frequency steps. The MC12028B can be used with CMOS synthesizers requiring negative edges to trigger internal counters. A Divide Ratio Control (SW) permits selection of a 32/33 or 64/65 divide ratio as desired. The Modulus Control (MC) selects the proper divide number after SW has been biased to select the desired divide ratio. NOTE: The “B” Version Is Not Recommended for New Designs MC12028B MECL PLL COMPONENTS ÷64/65, ÷128/129 DUAL MODULUS PRESCALER SEMICONDUCTOR TECHNICAL DATA • • • • • 1.
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