XR17C158 Exar Corporation, XR17C158 Datasheet - Page 48

• Manufacturer Part Number: XR17C158
• Description: Eight-channel Pci-based (UART)
• Manufacturer: Exar Corporation

PRELIMINARY
F
IGURE
20. PCI B
Tri-State
Output
Output
Bused
Signal
Bused
Signal
Delay
Input
CLK
US
C
LOCK
4 nSec
(max)
(2-11 nSec)
(DC
(2 nSec
Tvalid
min)
Ton
TO
(28 nSec Max)
11 nSec
33MH
(min)
Toff
Z
)
4 nSec
(max)
48
(7 nSec min)
11 nSec
(min)
Tsetup
PCI BUS OCTAL UART
Inputs Valid
(0 nSec)
Thold
2.0 V p-t-p
(minimum)
2.4 V
0.4 V
pci_clk
XR17C158
REV. 1.0.0