Philips Semiconductors SC16C554DBIA68,529 Product Category: UART Interface IC RoHS: yes Number of Channels: 4 Data Rate: 5 Mbps Supply Voltage - Max: 5.5 V Supply Voltage - Min: 2.25 V Supply Current: 6 mA Maximum Operating Temperature: + 85 C Minimum Operating Temperature: - 40 C Package / Case: PLCC-68 Mounting Style: SMD/SMT Operating Supply Voltage: 2.5 V, 3.3 V, 5 V Factory Pack Quantity: 18 Type: Quad UART with 16-byte FIFOs Part # Aliases: SC16C554DBIA68-S