XR17V252 Datasheet, PDF (63/69 Pages) Exar Corporation – 66 MHZ PCI BUS DUAL UART WITH POWER MANAGEMENT SUPPORT

REV. 1.0.1
XR17V252
66 MHZ PCI BUS DUAL UART WITH POWER MANAGEMENT SUPPORT
FIGURE 23. 3.3V PCI BUS CLOCK (DC TO 66MHZ)
T_cyc
CLK
0.5VCC
0.4VCC
0.3VCC
T_high
T_low
0.6VCC
0.4 VCC, p-to-p
(minimum)
0.2VCC
Output
Delay
Tri-State
Output
T_val
V_trise
V_tfall
T_on
Measurement Condition Parameters
Vth = 0.6VCC
Vtl = 0.2VCC
Vtest = 0.4VCC
Vtrise = 0.285VCC
Vtfall = 0.615VCC
Vmax = 0.4VCC
Input Signal Slew Rate = 1.5 V/ns
T_off
Input
V_th
V_tl
V_test
T_su
T_h
Inputs Valid
V_max
pci_clk
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