參數(shù)資料
型號(hào): XR17D152
廠商: Exar Corporation
英文描述: UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
中文描述: 通用(3.3V和5V)PCI總線的雙UART
文件頁(yè)數(shù): 54/68頁(yè)
文件大小: 772K
代理商: XR17D152
XR17D152
UNIVERSAL (3.3V AND 5V) PCI BUS DUAL UART
á
REV. 1.2.0
54
ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS FOR 3.3V PCI BUS INTERFACE (VIO = 3.0-3.6V VCC = 3.0-5.5V)
TA=0
o
to
70
o
C (-40
o
to +85
o
C for industrial grade package).
S
YMBOL
P
ARAMETER
M
IN
M
AX
U
NITS
C
ONDITION
N
OTES
V
IL
Input Low Voltage
-0.5
0.3VIO
V
For PCI bus inputs
V
IL
Input Low Voltage
-0.5
0.8
V
For Non-PCI bus inputs
V
IH
Input High Voltage
0.5VIO
VIO + 0.5
V
For PCI bus and external
clock inputs
V
IH
Input High Voltage
2.0
6.0
V
For non-PCI bus inputs
V
OL
Output Low Voltage
0.4
V
I
OL
= 4mA
All outputs
V
OH
Output High Voltage
0.9VIO
V
I
OH
= -0.5mA
PCI bus outputs
V
OH
Output High Voltage
2.0
V
I
OH
= -1mA
VCC = 3.0 - 3.6V
Non-PCI bus outputs
V
OH
Output High Voltage
2.4
V
I
OH
= -2mA
VCC = 4.5 - 5.5V
Non-PCI bus outputs
I
IL
Input Low Leakage
Current
-10
μ
A
I
IH
Input High Leakage
Current
10
μ
A
I
CL
Input Clock Leakage
+/-10
μ
A
C
IN
Input Pin Capacitance
10
pF
C
CLK
CLK Pin Capacitance
12
pF
C
IDSEL
IDSEL Pin Capacitance
8
pF
I
CC
Power Supply Current
2
mA
PCI CLK and Ext.
Clock=2MHz, all
inputs are at GND
and all outputs are
unloaded
I
SLEEP
Sleep Current
20
μ
A
Both UARTs asleep.
AD[31:0] at GND, all
inputs at VCC or
GND
VCC must equal VIO
. See
Sleep Mode section on
page 18
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