MC12026ADR2G

Clock Generators, PLLs, Frequency Synthesizers Overview

The MC12026ADR2G is a high-frequency, low-voltage dual modulus prescaler manufactured by onsemi. Designed for phase-locked loop (PLL) applications, it supports toggle frequencies up to 1.1 GHz with CMOS synthesizers requiring positive edge triggering. The device operates within a supply voltage range of 4.5 V to 5.5 V and consumes a typical current of 4.0 mA. It features an 8/9 or 16/17 divide ratio selection via SW and MC control inputs. Packaged in an SOIC-8NB surface-mount format, the component functions reliably across an operating temperature range of -40°C to +85°C.

Clock Generators, PLLs, Frequency Synthesizers Feature Summary

• Toggle frequency capability up to 1.1 GHz
• Dual modulus division ratios: 8/9 or 16/17 selectable via Divide Ratio Control (SW)
• Low power consumption with typical supply current of 4.0 mA
• Modulus setup time (tSET) of 6.0 ns typical at 1.1 GHz

Clock Generators, PLLs, Frequency Synthesizers Applications

• Phase-locked loop (PLL) systems
• CMOS frequency synthesizers
• Programmable frequency generation circuits

Clock Generators, PLLs, Frequency Synthesizers Procurement Notes

Verify the specific ordering suffix 'R2G' corresponds to the Tape & Reel packaging configuration containing 2500 units per reel. Confirm that the component meets RoHS compliance standards and is lead-free. Check for any discontinuation notices regarding new design recommendations before finalizing procurement plans.

Clock Generators, PLLs, Frequency Synthesizers Selection Notes

Select this component when designing PLL circuits requiring input frequencies up to 1.1 GHz. Ensure the system provides a stable supply voltage between 4.5 V and 5.5 V. Verify that the Modulus Control input levels are compatible with standard CMOS or TTL logic families. Consider the 6.0 ns typical setup time for timing constraints in high-speed digital designs.

Clock Generators, PLLs, Frequency Synthesizers Part Context

This part belongs to the MC12026A series of dual modulus prescalers. It is pin-compatible with the MC12022 model, facilitating potential design swaps or upgrades. The device utilizes silicon technology and is housed in an SOIC-8NB package (Case 751-07).

Clock Generators, PLLs, Frequency Synthesizers Replacement Considerations

The MC12022 is identified as a pin-compatible alternative within the same product family. Verify functional equivalence and electrical specifications against the target application requirements before substitution.