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MAX3640
Obsolete3.3V, 622Mbps LVDS, Dual 4:2 Crosspoint Switch
622Mbps Protection Switching with Zero Jitter Accumulation
Overview
- Single +3.3V Supply
- 257mW Power Consumption (four output channels enabled)
- 2.8psRMS Output Random Jitter
- 42ps Output Deterministic Jitter
- Power-Down Feature for Deselected Outputs
- 110ps Channel-to-Channel Skew
- 240ps Output Edge Speed
- LVDS Inputs/Outputs
- LVDS Output 3-State Enable
The MAX3640 is a dual-path crosspoint switch for use at OC-12 data rates. The MAX3640 can be used to receive and transmit 622Mbps low-voltage differential signals (LVDS) across a backplane with minimum jitter accumulation. Each path incorporates input buffers, multiplexers, a crosspoint switch, and output drivers. The four output channels have a redundant set of outputs for test or fanning purposes. The device offers signal-path redundancy for critical data streams.
The MAX3640 has a unique power-saving feature. When a set of four output channels has been de-selected, the output drivers are powered down to reduce power consumption by 165mW. The fully differential architecture ensures low crosstalk, jitter accumulation, and signal skew.
The MAX3640 is available in a 48-pin TQFP package and operates from a +3.3V supply over the 0°C to +85°C temperature range.
Applications
- ATM Switch Cores
- Digital Cross-Connects
- High-Speed Parallel Links
- SONET/SDH Backplanes
- System Interconnects
Documentation
This is the most up-to-date revision of the Data Sheet.
Software Resources
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Request a Driver/SoftwareHardware Ecosystem
| Parts | Product Life Cycle | Description |
|---|---|---|
| Analog Switches & Multiplexers 1 | ||
| MAX3831 | Obsolete | +3.3V, 2.5Gbps, SDH/SONET, 4-Channel Interconnect Mux/Demux ICs with Clock Generator |
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