XR21V1412_10 Datasheet, PDF (28/30 Pages) Exar Corporation – 2-CH FULL-SPEED USB UART

XR21V1412
2-CH FULL-SPEED USB UART
4.0 ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS - POWER CONSUMPTION
UNLESS OTHERWISE NOTED: TA = -40^O TO +85^OC, VCC IS 2.97 TO 3.63V
SYMBOL
PARAMETER
I_CC
I_Susp
Power Supply Current
Suspend mode Current
LIMITS
3.3V
MIN
TYP
MAX
16
20
2
2.15
UNITS
mA
mA
REV. 1.1.0
CONDITIONS
DC ELECTRICAL CHARACTERISTICS - UART, LOWPOWER & GPIO PINS
UNLESS OTHERWISE NOTED: TA = -40^O TO +85^OC, VCC IS 2.97 TO 3.63V
SYMBOL
PARAMETER
V_IL
Input Low Voltage
V_IH
Input High Voltage
V_OL
Output Low Voltage
V_OH
Output High Voltage
I_IL
Input Low Leakage Current
I_IH
Input High Leakage Current
C_IN
Input Pin Capacitance
LIMITS
3.3V
MIN
MAX
-0.3
0.8
2.0
5.5
0.3
2.2
±10
±10
5
UNITS
V
V
V
V
uA
uA
pF
CONDITIONS
I_OL = 4 mA
I_OH = -4 mA
DC ELECTRICAL CHARACTERISTICS - USB I/O PINS
UNLESS OTHERWISE NOTED: TA = -40^O TO +85^OC, VCC IS 2.97 TO 3.63V
SYMBOL
PARAMETER
V_IL
Input Low Voltage
V_IH
Input High Voltage
V_OL
Output Low Voltage
LIMITS
3.3V
MIN
MAX
-0.3
0.8
2.0
5.5
0
0.3
V_OH
Output High Voltage
2.8
3.6
V_DrvZ
Driver Output Impedance
28
44
I_OSC
Open short current Current
35
UNITS
CONDITIONS
V
V
V
V
Ohms
mA
External 15 K Ohm to
GND on USBD- pin
External 15 K Ohm to
GND on USBD- pin
1.5 V on USBD+ and
USBD-
28