MAX14830 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)
(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
RX0, RX1, RX2, RX3, CTS0, CTS1, CTS2, CTS3 INPUTS
Input Low Voltage
VIL
Input High Voltage
VIH
Input Hysteresis
VHYST
CTS0, CTS1, CTS2, CTS3 Input
Leakage Current
IIN_CTS V_{CTS_} = 0 to V_EXT
MIN TYP MAX UNITS
0.3 x VEXT V
0.7 x VEXT
V
50
mV
-1
+1
FA
RX0, RX1, RX2, RX3 Pullup
Current
IIN_RX_ VRX_ = 0V, VEXT = 3.6V
-7.5 -5.5 -3.5
FA
Input Capacitance
CIN_UART
GPIO0–GPIO15 INPUTS/OUTPUTS
5
pF
Output Low Voltage
ILOAD = -20mA, VEXT > 2.3V, push-pull or
open drain
VOL
ILOAD = -20mA, VEXT < 2.3V, push-pull or
open drain
0.45
V
0.55
Output High Voltage
Input Low Voltage
Input High Voltage
Pulldown Current
XIN
Input Low Voltage
Input High Voltage
Input Capacitance
XOUT
Input Capacitance
VOH
VIL
VIH
IPD
ILOAD = 5mA, push-pull
GPIO_ is configured as an input
GPIO_ is configured as an input
GPIO_ = VEXT = 3.6V
VIL
VIH
CXIN
CXOUT
VEXT - 0.4 V
0.4
V
2/3 x VEXT
V
3.5
5.5
7.5
FA
0.2
V
1.2
V
16
pF
16
pF
AC ELECTRICAL CHARACTERISTICS
(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 = +2.8V, VL = +1.8V, VEXT = +2.5V, TA = +25NC.) (Notes 2, 3)
PARAMETER
INTERNAL OSCILLATOR
External Crystal Frequency
External Clock Frequency
External Clock Duty Cycle
SYMBOL
fXOSC
fCLK
(Note 5)
CONDITIONS
MIN TYP MAX UNITS
1
4
MHz
0.5
35
MHz
45
55
%
Baud-Rate Generator Clock
Input
fREF (Note 5)
96
MHz
10  
Maxim Integrated