參數(shù)資料
型號(hào): XR16L2752
廠商: Exar Corporation
英文描述: 2.25V TO 5.5V DUART WITH 64-BYTE FIFO
中文描述: 2.25V至5.5V的杜阿爾特64字節(jié)FIFO
文件頁數(shù): 39/49頁
文件大小: 619K
代理商: XR16L2752
xr
REV. 1.2.0
XR16L2752
2.25V TO 5.5V DUART WITH 64-BYTE FIFO
39
Test 1: The following inputs must remain steady at VCC or GND state to minimize Sleep current: A0-A2, D0-
D7, IOR#, IOW#, CS#, CHSEL, and all modem inputs. Also, RXA and RXB inputs must idle at logic 1 state
while asleep. Floating inputs will result in sleep currents in the mA range. For PowerSave feature that isolates
address, data and control signals, please see the XR16L2751 datasheet.
ABSOLUTE MAXIMUM RATINGS
Power Supply Range
7 Volts
Voltage at Any Pin
GND-0.3 V to 7 V
Operating Temperature
-40
o
to +85
o
C
Storage Temperature
-65
o
to +150
o
C
Package Dissipation
500 mW
TYPICAL PACKAGE THERMAL RESISTANCE DATA
(MARGIN OF ERROR: ± 15%)
Thermal Resistance (44-PLCC)
theta-ja = 50
o
C/W, theta-jc = 21
o
C/W
ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
U
NLESS
OTHERWISE
NOTED
: TA=0
O
TO
70
O
C (-40
O
TO
+85
O
C
FOR
INDUSTRIAL
GRADE
PACKAGE
), V
CC
=2.25 -5.5V
S
YMBOL
P
ARAMETER
L
IMITS
2.5V
M
IN
M
AX
L
IMITS
3.3V
M
IN
M
AX
L
IMITS
5.0V
M
IN
M
AX
U
NITS
C
ONDITIONS
V
ILCK
Clock Input Low Level
-0.3
0.6
-0.3
0.6
-0.5
0.6
V
V
IHCK
Clock Input High Level
2.0
VCC
2.4
VCC
3.0
VCC
V
V
IL
Input Low Voltage
-0.3
0.8
-0.3
0.8
-0.5
0.8
V
V
IH
Input High Voltage
2.0
5.5
2.0
5.5
2.2
5.5
V
V
OL
Output Low Voltage
0.4
0.4
0.4
V
V
V
I
OL
= 6 mA
I
OL
= 4 mA
I
OL
= 2 mA
I
OH
= -6 mA
I
OH
= -1 mA
I
OH
= -400 uA
V
OH
Output High Voltage
1.8
2.0
2.4
V
V
V
I
IL
Input Low Leakage Current
±10
±10
±10
uA
I
IH
Input High Leakage Current
±10
±10
±10
uA
C
IN
Input Pin Capacitance
5
5
5
pF
I
CC
Power Supply Current
2.7
2.7
4
mA
I
SLEEP
Sleep Current
6
15
30
uA
See Test 1
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