ADI (Analog Devices, Inc.) AD9557BCPZ RoHS: yes Max Input Freq: 1250 MHz Max Output Freq: 1250 MHz Number of Outputs: 4 Operating Supply Voltage: 3.3 V Maximum Operating Temperature: + 85 C Mounting Style: SMD/SMT Package / Case: LFCSP-40 Minimum Operating Temperature: - 40 C Output Type: LVPECL Factory Pack Quantity: 490