MAX14830_15 Datasheet, PDF (10/68 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
RX0, RX1, RX2, RX3, CTS0, CTS1, CTS2, CTS3 INPUTS
Input Low Voltage
Input High Voltage
Input Hysteresis
V_IL
V_IH
V_HYST
CTS0, CTS1, CTS2, CTS3 Input
Leakage Current
I_{IN_CTS} V_{CTS_} = 0 to V_EXT
RX0, RX1, RX2, RX3 Pullup
Current
I_{IN_RX_} V_{RX_} = 0V, V_EXT = 3.6V
Input Capacitance
C_{IN_UART}
GPIO0–GPIO15 INPUTS/OUTPUTS
Output Low Voltage
I_LOAD = -20mA, V_EXT > 2.3V, push-pull
or open drain
V_OL
I_LOAD = -20mA, V_EXT < 2.3V, push-pull
or open drain
Output High Voltage
Input Low Voltage
Input High Voltage
Pulldown Current
XIN
Input Low Voltage
Input High Voltage
Input Capacitance
XOUT
Input Capacitance
V_OH
V_IL
V_IH
I_PD
I_LOAD = 5mA, push-pull
GPIO_ is configured as an input
GPIO_ is configured as an input
GPIO_ = V_EXT = 3.6V
V_IL
V_IH
C_XIN
C_XOUT
MIN TYP MAX UNITS
0.3 x V_EXT
V
0.7 x V_EXT
V
50
mV
-1
+1
µA
-7.5 -5.5 -3.5
µA
5
pF
0.45
V
0.55
V_EXT - 0.4
V
0.4
V
2/3 x V_EXT
V
3.5
5.5
7.5
µA
0.2
V
1.2
V
16
pF
16
pF
AC Electrical Characteristics
(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 = +2.8V, V_L = +1.8V, V_EXT = +2.5V, T_A = +25°C.) (Notes 2, 3)
PARAMETER
INTERNAL OSCILLATOR
External Crystal Frequency
External Clock Frequency
External Clock Duty Cycle
Baud-Rate Generator Clock Input
SYMBOL
f_XOSC
f_CLK
f_REF
(Note 5)
(Note 5)
CONDITIONS
MIN TYP MAX UNITS
1
4
MHz
0.5
35
MHz
45
55
%
96
MHz
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