XRT75VL00D_08 Datasheet, PDF (28/92 Pages) Exar Corporation – E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET

XRT75VL00D
E3/DS3/STS-1 LINE INTERFACE UNIT WITH SONET DESYNCHRONIZER
REV. 1.0.4
TABLE 8: MICROPROCESSOR SERIAL INTERFACE TIMINGS ( T_A = 25⁰C, V_DD=3.3V± 5% AND LOAD = 10PF)
SYMBOL
PARAMETER
MIN.
TYP.
MAX
UNITS
t₂₁ CS Low to Rising Edge of SClk
5
ns
t₂₂ SDI to Rising Edge of SClk
5
ns
t₂₃ SDI to Rising Edge of SClk Hold Time
5
ns
t₂₄ SClk "Low" Time
25
ns
t₂₅ SClk "High" Time
t₂₆ SClk Period
25
ns
50
ns
t₂₇ Falling Edge of SClk to rising edge of CS
0
ns
t₂₈ CS "Inactive" Time
t₂₉ Falling Edge of SClk to SDO Valid Time
50
ns
20
ns
t₃₀ Falling Edge of SClk to SDO Invalid Time
10
ns
t₃₁ Rising edge of CS to High Z
t₃₂ Rise/Fall time of SDO Output
10
ns
5
ns
t₃₃ SCLK Falling Edge to CS Low Assertion Time
5
ns
23