![](http://datasheet.mmic.net.cn/Exar-Corporation/XR17V258IV-F_datasheet_100073/XR17V258IV-F_60.png)
ABSOLUTE MAXIMUM RATINGS
Power Supply Range
4 Volts
Voltage at Any Pin
-0.5 to 4V
Operating Temperature
-40o to +85o C
Storage Temperature
-65o to +150o C
Package Dissipation
500 mW
Thermal Resistance (20x20x1.4mm 144-LQFP)
theta-ja = 42, theta-jc = 8
ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS FOR 3.3V SIGNALLING
O TO
OC (INDUSTRIAL GRADE) SUPPLY VOLTAGE, VCC = 3.0 - 3.6V
SYMBOL
PARAMETER
MIN
MAX
UNIT
S
CONDITION
NOTES
VIL
Input Low Voltage
-0.5
0.3VCC
V
For PCI bus inputs
-0.5
0.8
V
For Non-PCI bus inputs
VIH
Input High Voltage
0.5VCC
VCC + 0.5
V
For PCI bus inputs
2.0
6.0
V
For Non-PCI bus inputs
5V tolerant inputs
2.0
VCC + 0.5
For external clock
(XTAL1) input only
Not 5V tolerant
VOL
Output Low Voltage
0.1VCC
V
IOL = 1.5mA
PCI bus outputs
0.4
V
IOL = 6mA
Non-PCI bus outputs
VOH
Output High Voltage
0.9VCC
V
IOH = -0.5mA
PCI bus outputs
2.4
V
IOH = -2mA
Non-PCI bus outputs
IIL
Input Leakage Current
±10
A
0 < Vin < VCC
ICL
Input Clock Leakage
±10
A
CIN
Input Pin Capacitance
10
pF
CCLK
CLK Pin Capacitance
5
12
pF
CIDSEL
IDSEL Pin Capacitance
8
pF
IOff
PME# input leakage
-
1
A
Vo ≤ 3.6V, VCC off or
floating
ICC
Power Supply Current
4
mA
PCI bus CLK and Ext.
Clock = 2MHz,
all inputs at VCC or
GND and all outputs are
unloaded.
ISLEEP
Sleep Current
1
mA
All eight UARTs asleep.
AD[31:0] at GND, all
inputs at VCC or GND.
XR17V258
60
66MHZ PCI BUS OCTAL UART WITH POWER MANAGEMENT SUPPORT
REV. 1.0.2
TA=-40
+85