XR17D158 Exar Corporation, XR17D158 Datasheet - Page 62

• Manufacturer Part Number: XR17D158
• Description: Eight-channel Pci-bus Uart
• Manufacturer: Exar Corporation

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PRELIMINARY
F
IGURE
22. 5V PCI B
Tri-State
Output
Output
Bused
Signal
Bused
Signal
Delay
Input
CLK
US
4 nSec
C
(max)
LOCK
(2-11 nSec)
(2 nSec
Tvalid
min)
Ton
(DC
(28 nSec Max)
11 nSec
TO
(min)
Toff
33MH
Z
)
4 nSec
(max)
62
UNIVERSAL (3.3V AND 5V) PCI BUS OCTAL UART
(7 nSec min)
11 nSec
(min)
Tsetup
Inputs Valid
(0 nSec)
Thold
2.0 V p-t-p
(minimum)
2.4 V
0.4 V
pci_clk
XR17D158
REV. P1.0.0