XR19L400 Datasheet, PDF (36/45 Pages) Exar Corporation – SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER

XR19L400
PRELIMINARY
SINGLE CHANNEL INTEGRATED UART AND RS-485 TRANSCEIVER
ABSOLUTE MAXIMUM RATINGS
Power Supply Range
Voltage at Any Pin
Operating Temperature
Storage Temperature
Package Dissipation
5.5 Volts
GND-0.3 V to 5.5 V
-40^o to +85^oC
-65^o to +150^oC
500 mW
REV. P1.0.0
TYPICAL PACKAGE THERMAL RESISTANCE DATA (MARGIN OF ERROR: ± 15%)
Thermal Resistance (40-QFN)
theta-ja = 40^oC/W, theta-jc = 13^oC/W
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA= -40^O TO +85^OC (INDUSTRIAL GRADE), VCC= 3.0 - 5.5V
SYMBOL
PARAMETER
CONDITIONS
3.3V LIMITS
MIN MAX
5.0V LIMITS
MIN MAX
UNITS
DC CHARACTERISTICS
ICC
Supply Current, Normal Mode
VCC=3.0V to 5.5V, TA=+25C, no
load
40
40
mA
ISLP/IPWS Supply Current, Sleep Mode/Power-
Save Mode
30
30
uA
OSCILLATOR INPUT (X1)
VILCK Clock Input Low Level
-0.3
0.6
-0.5
0.6
V
VIHCK Clock Input High Level
2.4
VCC
3.0
VCC
V
LOGIC INPUTS/OUTPUTS (D[0:7], A[0:2], IOR#, IOW#/R/W#, CS#, INT/IRQ#, RST#/RST, I/M#, PWRSAVE, ACP, TXB,
RXB, RXBSEL, R_EN
VIL
Input Low Voltage
VIH
Input High Voltage
VOL Output Low Voltage
VOH Output High Voltage
IIL
Input Low Leakage Current
IHL
Input High Leakage Current
RS-485 INPUTS (RXA+, RXA-, RXB+, RXB-)
-0.3
0.7
-0.3
0.7
V
2.0
5.5
2.0
5.5
V
0.4
0.4
V
2.0
2.0
V
+/-10
+/-10 uA
+/-10
+/-10 uA
Input Voltage Range
RS-485 OUTPUTS (TXA+, TXA-, TXB+, TXB-)
-7
+12
-7
+12
V
VOD
VOC
ILKGR
Differential Driver Output
RL = 100 ohm or 60 ohm
Driver Common-Mode Ouput Voltage RL = 100 ohm or 60 ohm
Output Leakage Current
+2
+2
V
+3
+3
V
+/-20
+/-20 uA
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