ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA = -40
O
TO +85
O
C, VCC IS 1.65V TO 3.6V
SYMBOL PARAMETER
LIMITS
±
MIN MAX
LIMITS
±
MIN MAX
LIMITS
±
MIN MAX
UNITS CONDITIONS
V
IL
Input Low Voltage -0.3 0.2 -0.3 0.5 -0.3 0.8 V Note 1
V
IH
Input High Voltage 1.4 5.5 1.8 5.5 2.0 5.5 V Note 1
V
OL
Output Low Voltage
0.4
0.4
0.4 V
V
V
I
OL
= 6 mA
I
OL
= 4 mA
I
OL
= 1.5 mA
Note 2 &
Note 4
V
OL
Output Low Voltage 0.5 0.5 0.5 V I
OL
= 8 mA
Note 3
V
OH
Output High Voltage
1.4
1.8
2.0 V
V
V
I
OL
= -4 mA
I
OL
= -2 mA
I
OL
= -0.2 mA
Note 2
V
OH
Output High Voltage
1.2
1.8
2.6 V
V
V
I
OH
= -8 mA
I
OH
= -8 mA
I
OH
= -8 mA
Note 3
I
IL
Input Low Leakage Current ±10 ±10 ±10 uA
I
IH
Input High Leakage Current ±10 ±10 ±10 uA
C
IN
Input Pin Capacitance 5 5 5 pF
I
CC
Power Supply Current 0.5 1.0 2.0 mA Test 1
I
CC
Power Supply Current 0.6 1.2 2.4 mA Test 2
I
CCS
Standby Current 1 2 5 uA Test 3
R
GPIO
GPIO pull-up resistance 60 140 60 140 60 140
kΩ
100kΩ ± 40%
R
RESET#
Reset# pull-up resistance 35 85 35 85 35 85
kΩ
60kΩ ± 40%
XRA1402
9
REV. 1.0.0 8-BIT SPI GPIO EXPANDER
NOTES:
1. For SPI input signals (SI, SCL) & GPIOs, A0, A1 and A2 signals;
2. For SPI output signal SO;
3. For GPIOs;
4. For IRQ# signal;
Test 1: SCL frequency is 10 MHz with internal pull-ups disabled. All GPIOs are configured as inputs. All inputs are steady at
VCC or GND. Outputs are floating or in the tri-state mode.
Test 2: SCL frequency is 10 MHz with internal pull-ups enabled. All GPIOs are configured as inputs. All inputs are steady at
VCC or GND. Outputs are floating or in the tri-state mode.
1.8V 10% 2.5V 10% 3.3V 10%