Datasheet

DS26303: 3.3V, T1/E1/J1, Short-Haul, Octal Line Interface Unit

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10.2 Parallel Host Interface Timing Characteristics

Table 10-3. Intel Read Mode Characteristics

= 3.3V ±5%, Tj = -40°C to +125°C.) (Note 1) (See Figure 10-1 and Figure 10-2.)

SIGNAL

NAME(S)

SYMBOL DESCRIPTION (Note 2) MIN TYP MAX UNITS

RDB t1 Pulse Width 60 ns

CSB t2 Setup Time to RDB 0 ns

CSB t3 Hold Time from RDB 0 ns

AD[7:0] t4 Setup Time to ALE 10 ns

A[5:0] t5 Hold Time from RDB 0 ns

D[7:0], AD[7:0] t6 Delay Time RDB, CSB Active 6 48 ns

D[7:0], AD[7:0] t7 Deassert Delay from RDB, CSB Inactive 3 35 ns

RDYB t8 Enable Delay Time from CSB Active 0 12 ns

RDYB t9 Disable Delay Time from the CSB Inactive 12 ns

A[5:0] t10 Setup Time to RDB Active 6 ns

ALE t11 Pulse Width 10 ns

A[5:0] t12 Hold Time from ALE 5 ns

RDB t13 Output Delay Time of AD[7:0], D[7:0] 10 50 ns

RDYB t14 Delay Time from RDB Inactive 0 12 ns

RDYB t15 Active Output Delay Time from RDB 40 52 ns

ALE t16 Inactive Time to RDB Active 2 ns

Note 1: The timing parameters in this table are guaranteed by design (GBD).

Note 2: The input/output timing reference level for all signals is V

/2.