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ST68C554 数据表(PDF) 27 Page - Exar Corporation

部件名 ST68C554
功能描述  QUAD UART WITH 16-BYTE FIFOS
PDF  40 Pages
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制造商  EXAR [Exar Corporation]
网页  http://www.exar.com
标志 EXAR - Exar Corporation

ST68C554 数据表(HTML) 27 Page - Exar Corporation

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ST16C554/554D/68C554
27
Rev. 3.10
Symbol
Parameter
Limits
Limits
Units
Conditions
3.3
5.0
Min
Max
Min
Max
ABSOLUTE MAXIMUM RATINGS
Supply range
7 Volts
Voltage at any pin
GND - 0.3 V to VCC +0.3 V
Operating temperature
-40° C to +85° C
Storage temperature
-65° C to 150° C
Package dissipation
500 mW
DC ELECTRICAL CHARACTERISTICS
T
A=0° - 70°C (-40° - +85°C for Industrial grade packages), Vcc=3.3 - 5.0 V ± 10% unless otherwise specified.
V
ILCK
Clock input low level
-0.3
0.6
-0.5
0.6
V
V
IHCK
Clock input high level
2.4
VCC
3.0
VCC
V
V
IL
Input low level
-0.3
0.8
-0.5
0.8
V
V
IH
Input high level
2.0
2.2
VCC
V
V
OL
Output low level on all outputs
0.4
V
I
OL= 5 mA
V
OL
Output low level on all outputs
0.4
V
I
OL= 4 mA
V
OH
Output high level
2.4
V
I
OH= -5 mA
V
OH
Output high level
2.0
V
I
OH= -1 mA
I
IL
Input leakage
±10
±10
µA
I
CL
Clock leakage
±10
±10
µA
I
CC
Avg power supply current
3
6
mA
C
P
Input capacitance
5
5
pF
RIN
Internal pull-up resistance
3
15
kΩ
Note: See the Symbol Description Table, for a listing of pins having internal pull-up resistors.



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