CY22381SXI-213

Product Overview

CY22381SXI-213 from Cypress Semiconductor Corp is a clock generator and fanout distribution IC in an 8-SOIC surface-mount package. It provides three circuits with a 1:3 input-to-output ratio and accepts LVTTL or crystal inputs while producing CMOS outputs. The device includes a PLL with bypass and supports division but not multiplication. Its specified supply voltage range is 3.135V to 3.465V, and its operating temperature range is -40°C to 85°C (TA). The package width is 0.154" (3.90mm), and the input and output signals are single-ended rather than differential.

Key Features

• Clock generator and fanout distribution device
• PLL with bypass
• LVTTL and crystal inputs
• CMOS outputs
• Three circuits with a 1:3 input-to-output ratio
• Divider supported; multiplier not supported
• Supply voltage: 3.135V to 3.465V
• Operating temperature: -40°C to 85°C (TA)
• Surface-mount 8-SOIC package, 0.154" (3.90mm) width
• Non-differential input and output

Applications

• Distributing one clock reference to three CMOS logic, memory, or peripheral interfaces in a digital board.
• Generating system timing from a crystal oscillator or external LVTTL clock input.
• Using the PLL bypass path to route a reference clock without phase-locked loop frequency synthesis.

Design & Procurement Notes

When selecting CY22381SXI-213, confirm that the available clock source is a crystal or LVTTL signal and that downstream loads accept CMOS logic levels. The 1:3 fanout structure and three circuits are useful where a single reference must be distributed to three timing destinations. Because the input and output are non-differential and the device does not multiply frequency, it is appropriate for single-ended clock distribution and division tasks. Layout should accommodate the surface-mount 8-SOIC package with a 0.154" (3.90mm) body width. The supply voltage must remain within 3.135V to 3.465V, and the operating environment should fall within -40°C to 85°C (TA). The PLL bypass option provides a choice between phase-locked timing generation and direct reference routing.