XR19L212 Datasheet, PDF (41/52 Pages) Exar Corporation – TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER

REV. 1.0.0
XR19L212
TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA= -40^O TO +85^OC (INDUSTRIAL GRADE), VCC= 3.3 - 5.5V
SYMBOL
PARAMETER
CONDITIONS
3.3V LIMITS
MIN MAX
5.0V LIMITS
MIN MAX
UNITS
DC CHARACTERISTICS
ICC
Supply Current, Normal Mode
ISLP/IPWS Supply Current, Sleep Mode/Power-
Save Mode
OSCILLATOR INPUT (X1)
VCC=3.3V to 5.5V, TA=+25C, no
load
40
45
mA
40
50
uA
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, FAST, 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
-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
RS-232 INPUTS (RXD, CTS)
Input Voltage Range
VIHR Input Threshold Low
VILR Input Threshold High
VHYS Input Hysteresis
RTR Input Transmition Resistance
RS-232 OUTPUTS (TXD, RTS)
TA=+25C
TA=+25C
TA=+25C
+/-15
+/-15
V
0.6
0.8
V
2.0
2.4
V
0.5
0.5
V
3
7
3
7 Kohm
Output Voltage Range
3Kohm load on all transmitter out-
puts
+/-5.0
ROR Output Resistance
Vcc=0V, transmitter output=+/-2V
300
IOS
Output Short-Circuit Current
ILKGR Output Leakage Current
Vcc=0, transmitters disabled
RS-232 AC TIMING (TXD)
Maximum Data Rate (FAST = GND) RL=3Kohm, CL=1000pF
Transmitter Slew Rate (FAST = GND) CL = 50pF to 2500pF, RL=3-7Kohm
Maximum Data Rate (FAST = VCC) RL=3Kohm, CL=1000pF
Transmitter Slew Rate (FAST = VCC) CL = 50pF to 2500pF, RL=3-7Kohm
+/-60
+/-25
250
30
1
100
+/-5.0
300
+/-60
+/-25
250
30
1
100
V
ohm
mA
uA
Kbps
V/us
Mbps
V/us
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