xr20m1280 Exar Corporation, xr20m1280 Datasheet - Page 50

• Manufacturer Part Number: xr20m1280
• Description: I2c/spi Uart With 128-byte Fifo And Integrated Level Shifters
• Manufacturer: Exar Corporation

XR20M1280
I2C/SPI UART WITH 128-BYTE FIFO AND INTEGRATED LEVEL SHIFTERS
ABSOLUTE MAXIMUM RATINGS
TYPICAL PACKAGE THERMAL RESISTANCE DATA
DC ELECTRICAL CHARACTERISTICS
U
Test 1: All inputs should remain steady at VCC or GND to minimize Sleep current. RX input must idle at HIGH while asleep.
Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation
Thermal Resistance (24-QFN)
Thermal Resistance (32-QFN)
Thermal Resistance (40-QFN)
S
ELECTRICAL CHARACTERISTICS
NLESS OTHERWISE NOTED
I
V
V
SLEEP
YMBOL
V
V
V
C
I
V
IHCK
ILCK
I
I
CC
OH
IH
OL
IL
IH
IN
IL
Clock Input Low Level
Clock Input High Level
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Input Low Leakage Current
Input High Leakage Current
Input Pin Capacitance
Power Supply Current
Sleep Current
P
ARAMETER
: TA = -40
O
TO
M
-0.3
-0.3
1.4
1.4
1.4
IN
+85
L
1.8V
IMITS
O
CORE
PRELIMINARY
C, VCC_
VCC_
M
±15
±15
0.3
0.2
5.5
0.4
1.5
5
3
AX
50
M
-0.3
-0.3
2.0
1.8
1.8
XXXX IS
IN
L
2.5V
IMITS
CORE
VCC_
M
1.62
±15
±15
0.4
0.5
5.5
0.4
5
2
8
AX
theta-ja = 38
theta-ja = 33
theta-ja = 32
(MARGIN OF ERROR: ± 15%)
TO
M
-0.3
-0.3
3.63V
2.4
2.0
2.0
IN
GND-0.3 V to 3.6 V
L
3.3V
IMITS
-65
-40
o
o
o
3.63 Volts
C/W, theta-jc = 26
C/W, theta-jc = 22
C/W, theta-jc = 16
CORE
VCC_
o
500 mW
o
±15
±15
M
0.6
0.7
5.5
0.4
2.5
15
to +150
5
to +85
AX
U
o
o
mA
C
uA
uA
pF
uA
NITS
C
V
V
V
V
V
V
V
V
V
V
(XTAL1 input)
I
I
I
I
I
I
Ext Clk = 5MHz
See Test 1
OL
OL
OL
OH
OH
OH
o
o
o
C/W
C/W
C/W
C
= 6 mA
= 4 mA
= 1.5 mA
= -4 mA
= -2 mA
= -200 uA
ONDITIONS
REV. P1.1.1