_______________________________________________________________________________________ 7
MAX3107
SPI/I
2
C UART with 128-Word FIFOs
and Internal Oscillator
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
= -40NC to +85NC, unless otherwise noted. Typical values
are at V
A
= +2.8V, V
L
= +1.8V, V
EXT
= +2.5V, T
A
= +25NC.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SCLK/SCL, DOUT/SDA
DOUT/SDA Output Low Voltage
in I
2
C Mode
V
OL,I2C
I
LOAD
= -3mA, V
L
> 2V 0.4 V
I
LOAD
= -3mA, V
L
< 2V 0.2 x V
L
V
DOUT/SDA Output Low Voltage
in SPI Mode
V
OL,SPI
I
LOAD
= -2mA 0.4 V
DOUT/SDA Output High Voltage
in SPI Mode
V
OH,SPI
I
LOAD
= 2mA V
L
- 0.4 V
Input Low Voltage V
IL
SPI and I
2
C mode 0.3 x V
L
V
Input High Voltage V
IH
SPI and I
2
C mode 0.7 x V
L
V
Input Hysteresis V
HYST
SPI and I
2
C mode 0.05 x V
L
V
Input Leakage Current I
IL
V
IN
= 0 to V
L,
SPI and I
2
C mode -1 +1
FA
Input Capacitance C
IN_I2C_SPI
SPI and I
2
C mode 5 pF
I2C/SPI, CS/A0, DIN/A1 INPUTS
Input Low Voltage V
IL
SPI and I
2
C mode 0.3 x V
L
V
Input High Voltage V
IH
SPI and I
2
C mode 0.7 x V
L
V
Input Hysteresis V
HYST
SPI and I
2
C mode 50 mV
Input Leakage Current I
IL
V
IN
= 0 to V
L,
SPI and I
2
C mode -1 +1
FA
Input Capacitance C
IN_I2C_SPI
SPI and I
2
C mode 5 pF
IRQ OUTPUT (OPEN DRAIN)
Output Low Voltage V
OL
I
LOAD
= -2mA 0.4 V
Output Leakage I
LK
V
IRQ
= 0 to V
L,
IRQ is not asserted
-1 +1
FA
LDOEN AND RST INPUTS
Input Low Voltage V
IL
0.3 x V
L
V
Input High Voltage V
IH
0.7 x V
L
V
Input Hysteresis V
HYST
50 mV
Input Leakage Current I
IN
V
IN
= 0 to V
L
-1 +1
FA
RTS/CLKOUT AND TX 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 three-stated, V
IN
= 0 to V
EXT
-1 +1
FA
Input Capacitance C
IN_IRSTB
High-Z mode 5 pF
RX, CTS INPUTS
Input Low Voltage V
IL
0.3 x V
EXT
V
Input High Voltage V
IH
0.7 x V
EXT
V
Input Hysteresis V
HYST
50 mV
CTS Input Leakage Current
I
IN_CTS
V
IN
= 0 to V
EXT
-1 +1
FA
RX Pullup Current I
IN_RX
V
IN
= 0V 0.3 1.5 3
FA
Input Capacitance C
IN_IUART
5 pF
GPIO_ OUTPUTS AND INPUTS
Output Low Voltage V
OL
I
LOAD
= -2mA, push-pull or open drain 0.4 V
Output High Voltage V
OH
I
LOAD
= 2mA, push-pull V
EXT
- 0.4 V
(14 Seiten)
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