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XR17D154 Datasheet, PDF (63/69 Pages) Exar Corporation – UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART | |||
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xr
REV. 1.2.0
FIGURE 25. 3.3V PCI BUS CLOCK (DC TO 33MHZ)
XR17D154
UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART
Tcyc
CLK
1.44 ns
(max)
11 ns
(min)
Tvalid
(2-11 ns)
1.44 ns
(max)
11 ns
(min)
0.6 Vcc
0.4Vcc p-to-p
(minimum)
0.2Vcc
Bused
Signal
Output
Delay
Ton
(2 ns min)
Tri-State
Output
Bused
Signal
Input
Toff
(28 ns Max)
Tsetup
(7 ns min)
Thold
(0 ns)
Inputs Valid
pci_clk
63
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