CY29940

2.5 V or 3.3 V, 200 MHz, 1:18 Clock Distribution Buffer Features ■ 200 MHz clock support ■ LVPECL or LVCMOS/LVTTL clock input ■ LVCMOS/LVTTL compatible inputs ■ 18 clock outputs: drive up to 36 clock lines ■ 60 ps typical output-to-output skew ■ Dual or single supply operation: ❐ 3.3 V core and 3.3 V outputs ❐ 3.3 V core and 2.5 V outputs ❐ 2.5 V core and 2.5 V outputs ■ Pin compatible with MPC940L, MPC9109 ■ Available in Commercial and Industrial temperature ■ 32-pin TQFP package Block Diagram PECL_CLK PECL_CLK# TCLK TCLK_SEL VDD 0 1 CY29940 2.5 V or 3.3 V, 200 MHz, 1:18 Clock Distribution Buffer Functional Description The CY29940 is a low-voltage 200 MHz clock distribution buffer with the capability to select either a differential LVPECL or a LVCMOS/LVTTL compatible input clock. The two clock sources can be used to provide for a test clock as well as the primary system clock. All other control inputs are LVCMOS/LVTTL compatible. The eighteen outputs are 2.5...