MAX3100C_ _ ......................................................0°C to +70°C
MAX3100E_ _ ...................................................-40°C to +85°C
Storage Temperature Range ............................ -65°C to +160°C
Lead Temperature (soldering, 10s) ................................ +300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(V
CC
= +2.7V to +5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are measured at 9600 baud at T
A
= +25°C.)
PARAMETER
Input High Voltage
Input Low Voltage
Input Hysteresis
Input Leakage
Input Capacitance
OSCILLATOR INPUT (X1)
Input High Voltage
Input Low Voltage
Input Current
Input Capacitance
OUTPUTS (DOUT, TX,
RTS)
Output High Voltage
Output Low Voltage
Output Leakage
Output Capacitance
IRQ
OUTPUT (Open Drain)
Output Low Voltage
Output Leakage
Output Capacitance
POWER REQUIREMENTS
V
CC
Supply Current in
Normal Mode
V
CC
Supply Current in
Shutdown
Supply Voltage
2
SYMBOL
V
IH
V
IL
V
HYST
I
IL
C
IN
V
IH
V
IL
I
IN
C
IN
V
CC
= 3.3V
CONDITIONS
MIN
0.7 x V
CC
TYP
MAX
UNITS
V
LOGIC INPUTS (DIN, SCLK,
CS, SHDN, CTS,
RX)
0.3 x V
CC
0.05 x V
CC
±1
5
0.7 x V
CC
V
CC
/ 2
V
CC
/ 2
V
X1
= 0V and 5.5V
V
X1
= 0V and 5.5V
I
SOURCE
= 5mA
I
SOURCE
= 25µA, TX only
TX,
RTS:
I
SINK
= 25mA
DOUT, TX,
RTS:
I
SINK
= 4mA
DOUT only,
CS
= V
CC
5
I
SINK
= 4mA
V
IRQ
= 5.5V
5
With 1.8432MHz crystal;
all other logic inputs are at
0V or V
CC
SHDN bit = 1 or
SHDN
= 0,
logic inputs are at 0V or V
CC
2.7
V
CC
= 5V
V
CC
= 3.3V
0.27
0.15
1
mA
0.4
10
5.5
µA
V
0.4
±1
V
CC
- 0.5
V
CC
- 0.5
0.9
0.4
±1
Active mode
Shutdown mode
5
0.2 x V
CC
25
2
V
V
µA
pF
V
V
µA
pF
V
OH
V
OL
I
LK
C
OUT
V
OL
I
LK
C
OUT
V
V
µA
pF
V
µA
pF
I
CC
I
CC
V
CC
Maxim Integrated
MAX3100
SPI/MICROWIRE-Compatible
UART in QSOP-16
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +2.7V to +5.5V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at T
A
= +25°C.)
PARAMETER
AC TIMING (Figure 1)
CS
Low to DOUT Valid
CS
High to DOUT Tri-State
CS
to SCLK Setup Time
CS
to SCLK Hold Time
SCLK Fall to DOUT Valid
DIN to SCLK Setup Time
DIN to SCLK Hold Time
SCLK Period
SCLK High Time
SCLK Low Time
SCLK Rising Edge
to
CS
Falling
CS
Rising Edge
to SCLK Rising
CS
High Pulse Width
Output Rise Time
Output Fall Time
t
DV
t
TR
t
CSS
t
CSH
t
DO
t
DS
t
DH
t
CP
t
CH
t
CL
t
CS0
t
CS1
t
CSW
t
r
t
f
TX,
RTS,
DOUT: C
LOAD
= 100pF
TX,
RTS,
DOUT,
IRQ:
C
LOAD
= 100pF
(Note 1)
(Note 1)
C
LOAD
= 100pF
100
0
238
100
100
100
200
200
10
10
C
LOAD
= 100pF
C
LOAD
= 100pF, R
CS
= 10kΩ
100
0
100
100
100
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Note 1:
t
CS0
and t
CS1
specify the minimum separation between SCLK rising edges used to write to other devices on the SPI bus
and the
CS
used to select the MAX3100. A separation greater than t
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