XR17D154IV Exar Corporation, XR17D154IV Datasheet - Page 62

• Manufacturer Part Number: XR17D154IV
• Description: Universal QUART W/ PCI Bus Interface.
• Manufacturer: Exar Corporation

Specifications of XR17D154IV

• Features: *
• Number Of Channels: 4, QUART
• Fifo's: 64 Byte
• Protocol: RS485
• Voltage - Supply: 3.3V, 5V
• With Auto Flow Control: Yes
• With Irda Encoder/decoder: Yes
• With False Start Bit Detection: Yes
• With Modem Control: Yes
• Mounting Type: Surface Mount
• Package / Case: 144-LQFP
• Lead Free Status / RoHS Status: Contains lead / RoHS Compliant

XR17D154
UNIVERSAL (3.3V AND 5V) PCI BUS QUAD UART
F
IGURE
24. 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
min)
Tval
Ton
(DC
(28 nSec Max)
11 nSec
TO
(min)
Toff
33MH
Z
)
Tcyc
4 nSec
(max)
62
(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
xr
pci_clk
REV. 1.2.2