MAX14830 Datasheet, PDF (9/68 Pages) Maxim Integrated Products – Quad Serial UART with 128-Word FIFOs

MAX14830
Quad Serial UART with 128-Word FIFOs
DC ELECTRICAL CHARACTERISTICS (continued)
(VA = +2.35V to +3.6V, VL = +1.71V to +3.6V, VEXT = +1.71V to +3.6V, TA = -40NC to +85NC, unless otherwise noted. Typical values
are at VA = +2.5V, VL = +1.8V, VEXT = +2.8V, TA = +25NC.) (Notes 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
V18 Input Power-Supply Current
in Shutdown Mode
I18SHDN
Shutdown mode, VLDOEN = 0V, VRST = 0V,
all inputs and outputs are idle
TYP MAX UNITS
200
FA
V18 Input Power-Supply Current
SCLK/SCL, MISO/SDA
MISO/SDA Output Low Voltage
in I²C Mode
MISO/SDA Output Low Voltage
in SPI Mode
Baud rate = 1Mbps, 20MHz external clock,
I18
PLL disabled, all UARTs in loopback mode,
VLDOEN = 0V (Note 4)
VOL,I2C
VOL,SPI
ILOAD = -3mA, VL > 2V
ILOAD = -3mA, VL < 2V
ILOAD = -2mA
5
mA
0.4
V
0.2 x VL
0.4
V
MISO/SDA Output High Voltage
in SPI Mode
VOH,SPI ILOAD = 2mA
VL -
0.4
V
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
SPI/I2C, CS/A0, MOSI/A1 INPUTS
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Leakage Current
Input Capacitance
IRQ OUTPUT (OPEN DRAIN)
VIL
VIH
VHYST
IIL
CIN
VIL
VIH
VHYST
IIL
CIN
SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
VIN = 0 to VL, SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
VIN = 0 to VL, SPI and I²C mode
SPI and I²C mode
0.3 x VL V
0.7 x VL
V
0.05 x VL
V
-1
+1
FA
5
pF
0.3 x VL V
0.7 x VL
V
50
mV
-1
+1
FA
5
pF
Output Low Voltage
VOL
ILOAD = -2mA
0.4
V
Output Leakage Current
ILK
VIRQ = 0 to VL, IRQ is not asserted
-1
LDOEN AND RST INPUTS
+1
FA
Input Low Voltage
VIL
0.3 x VL V
Input High Voltage
VIH
0.7 x VL
V
Input Hysteresis
VHYST
50
mV
Input Leakage Current
IIN
VIN = 0 to VL
-1
+1
FA
UART INTERFACE
RTS0, RTS1, RTS2, RTS3, TX0, TX1, TX2, TX3 OUTPUTS
Output Low Voltage
VOL
ILOAD = -2mA
0.4
V
Output High Voltage
VOH ILOAD = 2mA
VEXT - 0.4
V
Input Leakage Current
IIN
Output is three-stated, VRTS_ = 0 to VEXT
-1
+1
FA
Input Capacitance
CIN High-Z mode
5
pF
Maxim Integrated
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