XR16M752 Datasheet, PDF (38/51 Pages) Exar Corporation – HIGH PERFORMANCE DUART WITH 64-BYTE FIFO

XR16M752/XR68M752
HIGH PERFORMANCE DUART WITH 64-BYTE FIFO
TABLE 16: UART RESET CONDITIONS FOR CHANNEL A AND B
REGISTERS
RESET STATE
I/O SIGNALS
RESET STATE
TX
HIGH
OP2#
HIGH
RTS#
HIGH
DTR#
HIGH
RXRDY#
HIGH
TXRDY#
LOW
INT
Three-State Condition
5.0 ELECTRICAL CHARACTERISTICS
REV. 1.0.2
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 (48-TQFP)
theta-ja =59^oC/W, theta-jc = 16^oC/W
Thermal Resistance (32-QFN)
theta-ja = 33^oC/W, theta-jc = 22^oC/W
DC ELECTRICAL CHARACTERISTICS
TA= -40^o to +85^oC, Vcc is 1.62V to 3.63V
SYMBOL
PARAMETER
V_ILCK Clock Input Low Level
V_IHCK Clock Input High Level
V_IL Input Low Voltage
V_IH Input High Voltage
V_OL Output Low Voltage
LIMITS
1.8V
MIN
MAX
-0.3 0.3
LIMITS
2.5V
MIN
MAX
-0.3 0.6
LIMITS
3.3V
MIN
MAX
-0.3 0.6
UNITS
V
CONDITIONS
1.4 VCC 1.8 VCC 2.4 VCC V
-0.3 0.2 -0.3 0.5 -0.3 0.8
V
1.4 VCC 1.8 VCC 2.0 VCC V
0.4
V I_OL = 4 mA
0.4
0.4
V _{IOL = 2 mA}
I_OL = 1.5 mA
38