MAX14830_15 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)
(V_A = +2.35V to +3.6V, V_L = +1.71V to +3.6V, V_EXT = +1.71V to +3.6V, T_A = -40°C to +85°C, unless otherwise noted. Typical values
are at V_A = +2.5V, V_L = +1.8V, V_EXT = +2.8V, T_A = +25°C.) (Notes 2, 3)
PARAMETER
SYMBOL
CONDITIONS
MIN
V₁₈ Input Power-Supply Current
in Shutdown Mode
I_18SHDN
Shutdown mode, V_LDOEN = 0V, V_RST = 0V,
all inputs and outputs are idle
TYP MAX UNITS
200
µA
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
I₁₈
V_OL,I2C
V_OL,SPI
Baud rate = 1Mbps, 20MHz external clock,
PLL disabled, all UARTs in loopback mode,
V_LDOEN = 0V (Note 4)
I_LOAD = -3mA, V_L > 2V
I_LOAD = -3mA, V_L < 2V
I_LOAD = -2mA
5
mA
0.4
V
0.2 x V_L
0.4
V
MISO/SDA Output High Voltage
in SPI Mode
V_OH,SPI
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)
Output Low Voltage
Output Leakage Current
LDOEN AND RST INPUTS
Input Low Voltage
Input High Voltage
Input Hysteresis
Input Leakage Current
UART INTERFACE
V_IL
V_IH
V_HYST
I_IL
C_IN
V_IL
V_IH
V_HYST
I_IL
C_IN
V_OL
I_LK
V_IL
V_IH
V_HYST
I_IN
I_LOAD = 2mA
SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
V_IN = 0 to V_L, SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
SPI and I²C mode
V_IN = 0 to V_L, SPI and I²C mode
SPI and I²C mode
I_LOAD = -2mA
V_IRQ = 0 to V_L, IRQ is not asserted
V_IN = 0 to V_L
V_L - 0.4 V
0.3 x V_L V
0.7 x V_L
V
0.05 x V_L
V
-1
+1
µA
5
pF
0.3 x V_L V
0.7 x V_L
V
50
mV
-1
+1
µA
5
pF
0.4
V
-1
+1
µA
0.3 x V_L V
0.7 x V_L
V
50
mV
-1
+1
µA
RTS0, RTS1, RTS2, RTS3, TX0, TX1, TX2, TX3 OUTPUTS
Output Low Voltage
V_OL
I_LOAD = -2mA
0.4
V
Output High Voltage
V_OH
I_LOAD = 2mA
V_EXT - 0.4
V
Input Leakage Current
I_IN
Output is three-stated, V_{RTS_} = 0 to V_EXT
-1
+1
µA
Input Capacitance
C_IN
High-Z mode
5
pF
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