Microchip Released Low-Power LVCMOS Clock Buffers
The SY757xx family supports 1.2 V signaling to improve energy efficiency in green servers and battery-powered hardware.
Updated on Sept. 28, 2026 in Semiconductors
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Microchip Technology has released the SY757xx family of clock buffers, which are designed to support 1.2 V output levels. Three models in the eleven-part series are currently in volume production, while the remainder are available as limited-volume samples.
Why it matters
The devices mitigate timing errors and edge uncertainty commonly caused by resistive voltage divider translation methods. By integrating voltage translation and clock fanout, these chips aim to reduce power consumption in green servers and battery-constrained designs.
The SY757xx family operates between 0 Hz and 250 MHz with a noise floor of -165.3 dBc/Hz and a VDDIN current draw of 4.8 mA. The chips are housed in 1.4 x 1.6 mm packages and are priced between $0.50 and $0.83 per unit in volume.
The players
Microchip Technology
A global provider of microcontroller, mixed-signal, and analog semiconductors with a focus on low-power, high-reliability embedded designs.
JEDEC
An independent semiconductor engineering trade organization and standardization body that develops open standards for the microelectronics industry.
The details
The devices function by translating conventional board-level oscillator and PLL (phase-locked loop — a circuit that generates an output signal with a phase related to an input signal) outputs to lower 1.2 V interface levels. This integration of voltage translation and clock fanout—the process of distributing a single clock signal to multiple components—replaces less accurate resistive methods. The entire family operates across a temperature range of -40 to +105°C.
Timeline
2007: JEDEC codified 1.2 V interface levels.
September 28, 2026: Microchip announced the SY757xx family.
The Tech Race
This release follows a pattern set by the 2007 JEDEC codification of 1.2 V interface levels, which established the voltage standard these new buffers now support. The move represents an industry-wide push to transition clock distribution hardware to meet the lower voltage requirements of modern green servers.
Engineers designing battery-powered devices or green servers can now integrate these buffers to replace resistive voltage dividers in their power stacks. Three models are available for volume orders, while designers requiring the remaining eight variations must currently rely on limited samples.
The takeaway
The SY757xx series reflects a continued industry drive to optimize signal integrity at 1.2 V to support more energy-efficient server and portable architectures. Designers should monitor the sampling status of the remaining eight family members to confirm broader availability timelines.
Further reading
For more on the current industry focus on power efficiency and signal distribution, see the latest updates in /tech/semiconductors/.
Source note: This article includes information reported by All About Circuits.
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