C2C-Link Specification
Definitions
Trigger delay
Propagation delay of the trigger signal from the master device to a slave device. This delay is composed of the propagation delay inside electronic devices (FPGA, adapter...) and interconnection cables.
For cables, the delay is proportional to the cable length, typically: 5 ns/m.
Trigger delay skew
Dispersion of the trigger delay values across all the devices belonging to a C2C-Link.
Trigger delay jitter
Variation of the trigger delay depending on external factors such as temperature, signal noise...
Trigger rate
Rate of occurrence of repetitive trigger events. The reciprocal value (1/Trigger rate) is the minimum time interval required between consecutive triggers.
IntraCard C2C-Link Interconnection Level
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Trigger delay jitter | 5 | ns | ||
| Trigger rate | 0 | 2.5 | MHz |
IntraPC C2C-Link Interconnection Level
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| Cable connectors count (including 1636 adapter if any) | 2 | 4 | - | |
| Cable length | – | 0.6 | m | |
| Trigger delay jitter | 5 | 10 | ns | |
| Trigger rate | 0 | 2.5 | MHz |
InterPC C2C-Link Interconnection Level
The following specification targets applications where the highest trigger rate is required:
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| 1636 adapters count | 2 | 10 | - | |
| Adapter-to-adapter LAN cable length | 0.3 | 100 | m | |
| Cumulated adapter-to-adapter LAN cable length | 0.3 | 100 | m | |
| Trigger delay jitter | 10 | 20 | 40 | ns |
| Trigger rate | 0 | 2.5 | MHz |
The following specification targets applications where the longest reachable distance is required:
| Parameter | Min. | Typ. | Max. | Units |
|---|---|---|---|---|
| 1636 adapters count | 2 | 32 | - | |
| Adapter-to-adapter cable length | 0.3 | 1200 | m | |
| Cumulated adapter-to-adapter cable length | 0.3 | 1200 | m | |
| Trigger delay jitter | 1 | µs | ||
| Trigger rate | 0 | 200 | kHz |
Note: The maximum trigger rate specification can be extrapolated for intermediate distances between 100 m and 1200 m assuming that the length x frequency product is constant: in this case 250 [m. MHz].