XR20M1172_09 Datasheet, PDF (43/58 Pages) Exar Corporation – TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO

REV. 1.0.1
5.0 ELECTRICAL CHARACTERISTICS
XR20M1172
TWO CHANNEL I2C/SPI UART WITH 64-BYTE FIFO
ABSOLUTE MAXIMUM RATINGS
Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation
4 Volts
GND-0.3V to 4V
-40^o to +85^oC
-65^o to +150^oC
500 mW
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%)
Thermal Resistance (32-QFN)
Thermal Resistance (28-TSSOP)
theta-ja = 33^oC/W, theta-jc = 22^oC/W
theta-ja = 76^oC/W, theta-jc = 14^oC/W
DC ELECTRICAL CHARACTERISTICS
TA= -40^o to +85^oC, Vcc is 1.62V to 3.63V
SYMBOL
PARAMETER
V_ILCK
V_IHCK
V_IL
V_IH
V_OL
Clock Input Low Level
Clock Input High Level
Input Low Voltage
Input High Voltage
Output Low Voltage
V_OH Output High Voltage
I_IL
I_IH
C_IN
I_CC
I_SLEEP
Input Low Leakage Current
Input High Leakage Current
Input Pin Capacitance
Power Supply Current
Sleep Current
LIMITS
1.8V
MIN
MAX
-0.3 0.3
1.4 VCC
-0.3 0.2
1.4 VCC
0.4
1.4
±10
±10
5
250
15
LIMITS
2.5V
MIN
MAX
-0.3 0.6
1.8 VCC
-0.3 0.5
1.8 VCC
0.4
1.8
±10
±10
5
250
20
LIMITS
3.3V
MIN
MAX
-0.3 0.6
2.4 VCC
-0.3 0.8
2.0 VCC
0.4
2.0
±10
±10
5
500
30
UNITS
CONDITIONS
V
V
V
V
V I_OL = 4 mA
V _{IOL = 2 mA}
V _{IOL = 1.5 mA}
V I_OH = -1 mA
V _{IOH = -400 uA}
V _{IOH = -200 uA}
uA
uA
pF
uA XTAL1 = 2 MHz
uA See Test 1
Test 1: The following inputs must remain steady at VCC or GND state to minimize Sleep current: serial data,
serial clock and all modem inputs are idle. Also, RX input must idle HIGH while asleep. Floating inputs will
result in sleep currents in the mA range.
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