XR20V2170 Datasheet, PDF (39/52 Pages) Exar Corporation – I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER

XR20V2170
REV. 1.0.0
I2C/SPI UART WITH 64-BYTE FIFO AND RS232 TRANSCEIVER
ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA= - 40 to + 85, VCC= 2.97-3.63V
SYMBOL
PARAMETER
3.3V LIMITS
MIN MAX
UNITS
CONDITIONS
DC CHARACTERISTICS
ICC
Supply Current, Normal Mode
ISLP Supply Current, Partial Sleep Mode
(UART sleep, Transceiver active)
30
mA VCC=2.97V to 3.63V, TA=+25C, no load
28
mA VCC=2.97V to 3.63V, TA=+25C, no load
ISLP Supply Current, Partial Sleep Mode
(UART active, Transceiver sleep)
2
mA VCC=2.97V to 3.63V, TA=+25C, no load
ISLP/IPWS Supply Current, Full Sleep Mode
(UART sleep, Transceiver sleep)
20
uA VCC=2.97V to 3.63V, TA=+25C, no load, all
inputs are idle
OSCILLATOR INPUT (X1)
VILCK Clock Input Low Level
-0.3
0.6
V
VIHCK Clock Input High Level
2.4
VCC
V
LOGIC INPUTS/OUTPUTS (XTAL1, SDA, SCL, A1/SI, A0/CS#, SO, IRQ#, RST#, PWRSAVE, ACP)
V_ILCK
V_IHCK
VIL
VIH
VOL
VOH
IIL
IHL
Clock Input Low Level
Clock Input High Level
Input Low Voltage
Input High Voltage
Output Low Voltage
Output High Voltage
Input Low Leakage Current
Input High Leakage Current
-0.3
0.6
2.4 VCC
-0.3
0.8
2.0 VCC
0.4
2.0
±10
±10
V
V
V
V
V I_OL = 4 mA
V I_OH = -1 mA
uA
uA
RS-232 INPUTS (RXD, CTS, DSR, RI, DCD)
Input Voltage Range
±15
V
VIHR Input Threshold Low
0.6
V TA=+25C
VILR Input Threshold High
2.0
V TA=+25C
VHYS Input Hysteresis
0.5
V
RTR Input Transmition Resistance
RS-232 OUTPUTS (TXD, RTS, DTR)
3
7 K ohm TA=+25C
Output Voltage Range
±5.0 ±6.5
V 3K ohm load on all transmitter outputs
ROR
IOS
Output Resistance
Output Short-Circuit Current
300
ohm Vcc=0V, transmitter output=+/-2V
±60
mA
RS-232 AC TIMING (TXD)
Maximum Data Rate
250 Kbps RL=3Kohm, CL=1000pF
Transmitter Slew Rate
30
V/us CL = 50pF to 2500pF, RL=3-7Kohm
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