AD8152

a 34 ؋ 34, 3.2 Gbps Asynchronous Digital Crosspoint Switch AD8152 FEATURES Low Cost Low Power 2.0 W @ 2.5 V (Outputs Enabled) <100 mW @ 2.5 V (Outputs Disabled) 34 ؋ 34, Fully Differential, Nonblocking Array 3.2 Gbps per Port NRZ Data Rate Wide Power Supply Range: 2.5 V to 3.3 V LVTTL or LVCMOS Level Control Inputs: @ 2.5 V to 3.3 V Low Jitter: 45 ps Drives a Backplane Directly Programmable Output Swing 100 mV to 1.6 V Differential 50 ⍀ On-Chip I/O Termination User Controlled Voltage at the Load Minimizes Power Dissipation Dual Rank Latches Available in 256-Ball Grid Array APPLICATIONS Fiber Optic Network Switching High Speed Serial Backplane Routing to OC-48 with FEC Gigabit Ethernet Digital Video (HDTV) Data Storage Networks INP VTTI INN FUNCTIONAL BLOCK DIAGRAM VCC 34 34 34 ؋ 34 OUTPUT DIFFERENTIAL LEVEL 34 SWITCH MATRIX DACs 34 OUTP VTTO OUTN D[5:0] RESET CS A[6:0] RE WE UPDATE MATRIX CONNECTION LATCHES CONNECTION DECODE OUTPUT LEVEL LATCHES CONTROL LOGIC AD8152 VEE 100mV/DIV GENERAL DESCRIPTION AD8152 is a member of the Xstream line of products and is a breakthrough in digital switching, offering a large switch array (34 × 34) on very little power, typically 2.0 W. Additionally, it operates at data rates up to 3.2 Gbps per port, making it suitable for Sonet/SDH OC-48 with Forward Error Correction (FEC). The AD8152’s useful supply voltage range allows the user to operate at LVPECL/CML data levels down to 2.5 V. The control interface is LVTTL or LVCMOS...