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XR17V254_08 Datasheet, PDF (58/70 Pages) Exar Corporation – 66MHZ PCI BUS QUAD UART WITH POWER MANAGEMENT SUPPORT
XR17V254
66MHZ PCI BUS QUAD UART WITH POWER MANAGEMENT SUPPORT
ABSOLUTE MAXIMUM RATINGS
Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation
Thermal Resistance (20x20x1.4mm 144-LQFP)
4 Volts
-0.5 to 4V
-40o to +85o C
-65o to +150o C
500 mW
theta-ja = 42, theta-jc = 8
REV. 1.0.1
ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS FOR 3.3V SIGNALLING
TA=-40O TO +85OC (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
0.5VCC VCC + 0.5 V For PCI bus inputs
VIH
Input High Voltage
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
VOH
IIL
ICL
CIN
CCLK
CIDSEL
IOff
Output Low Voltage
Output High Voltage
0.9VCC
2.4
Input Leakage Current
Input Clock Leakage
Input Pin Capacitance
CLK Pin Capacitance
5
IDSEL Pin Capacitance
PME# input leakage
-
0.1VCC
0.4
±10
±10
10
12
8
1
V
IOL = 1.5mA
V
IOL = 6mA
V
IOH = -0.5mA
V
IOH = -2mA
µA
0 < Vin < VCC
µA
pF
pF
pF
µA Vo ≤ 3.6V, VCC off or
floating
PCI bus outputs
Non-PCI bus outputs
PCI bus outputs
Non-PCI bus outputs
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 four UARTs asleep.
AD[31:0] at GND, all
inputs at VCC or GND.
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