CY7C9915JXI-1

Product Overview

The Cypress Semiconductor Corp CY7C9915JXI-1 is a surface-mount clock distribution device packaged in a 32-LCC (J-Lead) case. It functions as a fanout buffer and zero delay buffer with an integrated PLL, accepting LVCMOS or LVTTL inputs and providing LVTTL outputs. The device supports a maximum frequency of 150 MHz and a 1:8 input-to-output ratio, with divider and multiplier capability. Supply voltage operation is specified from 2.97 V to 3.63 V, and the operating temperature range is -40°C to 85°C.

Key Features

• Type: Fanout Buffer (Distribution), Zero Delay Buffer.
• Integrated PLL with divider and multiplier capability.
• Input logic family: LVCMOS, LVTTL; output logic family: LVTTL.
• 1:8 input-to-output ratio with one circuit and non-differential input/output configuration.
• Maximum operating frequency of 150 MHz.
• 2.97 V to 3.63 V supply voltage range and -40°C to 85°C operating temperature range.
• Surface-mount 32-LCC (J-Lead) package with 32-PLCC (11.43x13.97) case dimensions.

Applications

• Distribution of one clock signal to multiple LVTTL loads on a printed circuit board.
• Phase alignment of a clock path when a zero-delay buffering function is required.
• Frequency synthesis or conditioning using the internal PLL divider and multiplier functions.
• Buffering of LVCMOS or LVTTL logic-level clock inputs for downstream LVTTL timing circuits.

Design & Procurement Notes

Design considerations include the non-differential LVCMOS/LVTTL input and LVTTL output compatibility, the 1:8 fanout ratio, and the 150 MHz maximum frequency. The 2.97 V to 3.63 V supply range should be checked against board power rails, while the -40°C to 85°C operating range defines the environmental envelope. The non-differential input/output configuration affects trace pairing and termination decisions. The 32-LCC (J-Lead) surface-mount package requires footprint and land pattern compatibility, with 32-PLCC (11.43x13.97) case dimensions providing the physical reference for layout.