XR16L2751_05 Datasheet, PDF (40/52 Pages) Exar Corporation – 2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE

XR16L2751
2.25V TO 5.5V DUART WITH 64-BYTE FIFO AND POWERSAVE
ABSOLUTE MAXIMUM RATINGS
Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation
xr
REV. 1.2.2
7 Volts
GND-0.3 V to 7 V
-40^o to +85^oC
-65^o to +150^oC
500 mW
ELECTRICAL CHARACTERISTICS
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%)
Thermal Resistance (48-TQFP)
theta-ja =59^oC/W, theta-jc = 16^oC/W
DC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA=0^O TO 70^OC (-40^O TO +85^OC FOR INDUSTRIAL GRADE PACKAGE), VCC=2.25- 5.5V
SYMBOL
PARAMETER
LIMITS
2.5V
MIN
MAX
LIMITS
3.3V
MIN
MAX
LIMITS
5.0V
MIN
MAX
UNITS
CONDITIONS
V_ILCK
V_IHCK
V_IL
V_IH
Clock Input Low Level
Clock Input High Level
Input Low Voltage
Input High Voltage
-0.3 0.6 -0.3 0.6 -0.5 0.6
V
2.0 VCC 2.4 VCC 3.0 VCC
V
-0.3 0.8 -0.3 0.8 -0.5 0.8
V
2.0
5.5
2.0
5.5
2.2
5.5
V
V_OL Output Low Voltage
V_OH Output High Voltage
I_IL
Input Low Leakage Current
0.4
V I_OL = 6 mA
0.4
V I_OL = 4 mA
0.4
V I_OL = 2 mA
2.4
2.0
1.8
V I_OH = -6 mA
V I_OH = -1 mA
V I_OH = -400 uA
±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
1.2
2
5
mA
I_SLEEP Sleep Current/
I_PWRSV ^{Powersave Current}
6
15
30
uA See Test 1
Test 1: The following inputs must remain steady at VCC or GND state to minimize sleep current: A0-A2, D0-D7,
IOR#, IOW# (R/W#), CSA# (CS#), CSB# (A3) and all modem inputs. Also, RXA and RXB inputs must idle at
logic 1 state while asleep. Floating inputs may result in sleep currents in the mA range.
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