QL5432 QuickPCI Data Sheet Rev. C
Table 17: I/O Cell Output Delays
Symbol
Parameter
tOUTLH
tOUTHL
tPZH
tPZL
tPHZ
tPLZ
Output Delay low to high (90% of H)
Output Delay high to low (10% of L)
Output Delay tri-state to high (90% of H)
Output Delay tri-state to low (10% of L)
Output Delay high to tri-Statea
Output Delay low to tri-Statea
a. The following loads are used for tPXZ:
1KΩ
tPHZ
5 pF
1KΩ
Propagation Delays (ns)
Output Load Capacitance (pF)
30 50 75 100 150
2.1 2.5 3.1 3.6 4.7
2.2 2.6 3.2 3.7 4.8
1.2 1.7 2.2 2.8 3.9
1.6 2.0 2.6 3.1 4.2
2.0
1.2
tPLZ
5 pF
20
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