PRL-454T, 1:4 TTL to LVDS Translator and Fanout Buffer

Applications: Converting TTL Input to LVDS Outputs Conversion of Single-Ended TTL Signals to Differential Signals for Driving Long Lines Distributing Clock/Data Signals High Speed Digital Communications Systems Testing Satellite Telemetry/Ground Station System Integration Features: fmax > 400 MHz for 50 Ω input and > 250 MHz for 1 k Ω input 1 kΩ or 50 Ω TTL Input, selectable by a switch 500 ps Typical Output Rise & Fall Times 4 LVDS Outputs for Driving 50 Ohm Cables into 100 Ω Floating Loads 300 ps Channel to Channel skew, typical SMA I/O Connectors Operates from single +8 to +12 VDC power supply with only 150 mA max. Self-contained 1.3 x 2.9 x 2.9-in. unit includes ±8.5 V/1.8 A AC/DC Adapter Description The PRL-454T-SMA is a 1:4 digital signal fanout buffer and level translator with one TTL input and four LVDS outputs. The TTL input has a 1 kΩ or 50 Ω input impedance, selectable by a toggle switch. The 1 kΩ input setting is used most often for receiving sig