The SY55858UHI-TR is a low-voltage, high-speed dual 2 x 2 crosspoint switch with a flexible input that accepts CML or PECL, and a 50Ω compatible differential CML (currentmode logic) output. The non-blocking design allows any input to connect to any output. Varying the state of the select inputs allows SY55858UHI-TR to be used in backup, fault tolerant, protection and backplane distribution applications.The signal inputs (DA0-1 and DB0-1) have a unique internal termination design that allows access to the termination network through VT pins. This feature allows the device to easily interface to other logic standards such as AC-coupled or DC-coupled PECL/LVPECL signals. For applications that require a single-channel 2x2 crosspoint, consider the SY55854.
Feature
- Guaranteed AC parameters over temperature:
- fMAX >3.0GHz (3Gbps)
- tr/ tf <120ps
- Within-device skew <25ps
- Non-blocking "switch architecture"
- Configurable as dual 2:1 mux, dual 1:2 fanout buffer, 1:4 fanout buffer, quad buffer, or dual 2x2 switch
- 50Ω compatible outputs
- Unique input termination and VT pin for DC-coupled and AC-coupled input signals-CML or PECL
- Fully differential inputs/outputs
- TTL/CMOS compatible control logic
- Wide supply voltage range: 2.3V to 3.6V
- Wide operating temperature range: -40°C to +85°C
- Available in 32-pin EPAD-TQFP package
