XR19L212
41
REV. 1.0.1
TWO CHANNEL INTEGRATED UART AND RS-232 TRANSCEIVER
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA= -40
O TO +85OC (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
VCC=3.3V to 5.5V, TA=+25C, no
load
40
45
mA
ISLP/IPWS
Supply Current, Sleep Mode/Power-
Save Mode
40
50
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, FAST, R_EN
VIL
Input Low Voltage
-0.3
0.7
-0.3
0.7
V
VIH
Input High Voltage
2.0
5.5
2.0
5.5
V
VOL
Output Low Voltage
0.4
V
VOH
Output High Voltage
2.0
V
IIL
Input Low Leakage Current
+/-10
uA
IHL
Input High Leakage Current
+/-10
uA
RS-232 INPUTS (RXD, CTS)
Input Voltage Range
+/-15
V
VIHR
Input Threshold Low
TA=+25C
0.6
0.8
V
VILR
Input Threshold High
TA=+25C
2.0
2.4
V
VHYS
Input Hysteresis
0.5
V
RTR
Input Transmition Resistance
TA=+25C
3
7
3
7
Kohm
RS-232 OUTPUTS (TXD, RTS)
Output Voltage Range
3Kohm load on all transmitter out-
puts
+/-5.0
V
ROR
Output Resistance
Vcc=0V, transmitter output=+/-2V
300
ohm
IOS
Output Short-Circuit Current
+/-60
mA
ILKGR
Output Leakage Current
Vcc=0, transmitters disabled
+/-25
uA
RS-232 AC TIMING (TXD)
Maximum Data Rate (FAST = GND)
RL=3Kohm, CL=1000pF
250
Kbps
Transmitter Slew Rate (FAST = GND)
CL = 50pF to 2500pF, RL=3-7Kohm
30
V/us
Maximum Data Rate (FAST = VCC)
RL=3Kohm, CL=1000pF
1
Mbps
Transmitter Slew Rate (FAST = VCC)
CL = 50pF to 2500pF, RL=3-7Kohm
100
V/us