The PMC-EVR-230 provides timing in PCI Mezzanine Card form factor e.g. for mounting on processor boards. 

Main features:

• bit rate 1.0 to 2.5 Gbps, event clock rate 50 MHz to 125 MHz
• three programmable front panel TTL outputs
• one front panel TTL external trigger input
• rear I/O through PMC  Pn4 connector
• jitter typically < 25 ps rms