4.0 S-LINK Usage Instructions

4.2 Maximum Clock Frequency and Data Transfer Rate

An S-LINK shall have a maximum clock frequency. This is defined as:

40 MHz

Note that the Data Transfer Rate depends on the physical implementation and the protocol used on the S-LINK. The Data Sheet which accompanies each S-LINK shall detail the Data Transfer Rate. The values of timing parameters are given in Table 3. Timing parameters which relate to the LSC are suffixed with a -S while those which relate to the LDC are suffixed with a -D.

TABLE 3. Timing Parameters
Symbol Description Min Max Units
tDS-S, tDS-D Data Set-up time 10 ns
tDH-S, tDH-D Data Hold time 1 ns
tENS-S, tENS-D Enable Set-up time 10 ns
tENH-S, tENH-D Enable Hold time 1 ns
tWFF-S Write Clock to Full Flag 12 ns
tCLK-S, tCLK-D Clock Cycle time 25 ns
tCH-S, tCH-D Clock High time 11 ns
tCL-S, tCL-D Clock Low time 11 ns

The S-LINK Interface Specification - 27 MARCH 1997

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Symbol	Description	Min	Max	Units
tDS-S, tDS-D	Data Set-up time	10		ns
tDH-S, tDH-D	Data Hold time	1		ns
tENS-S, tENS-D	Enable Set-up time	10		ns
tENH-S, tENH-D	Enable Hold time	1		ns
tWFF-S	Write Clock to Full Flag		12	ns
tCLK-S, tCLK-D	Clock Cycle time	25		ns
tCH-S, tCH-D	Clock High time	11		ns
tCL-S, tCL-D	Clock Low time	11		ns