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XRA1404 Datasheet(PDF) 9 Page - Exar Corporation

Part No. XRA1404
Description  8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
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Maker  EXAR [Exar Corporation]
Homepage  http://www.exar.com
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XRA1404 Datasheet(HTML) 9 Page - Exar Corporation

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ELECTRICAL CHARACTERISTICS
DC ELECTRICAL CHARACTERISTICS
UNLESS OTHERWISE NOTED: TA = -40O TO +85OC, VCC IS 1.65V TO 3.6V
SYMBOL
PARAMETER
LIMITS
±
MIN
MAX
LIMITS
±
MIN
MAX
LIMITS
±
MIN
MAX
UNITS
CONDITIONS
VIL
Input Low Voltage
-0.3
0.2
-0.3
0.5
-0.3
0.8
V
Note 1
VIH
Input High Voltage
1.4
5.5
1.8
5.5
2.0
5.5
V
Note 1
VOL
Output Low Voltage
0.4
0.4
0.4
V
V
V
IOL = 6 mA
IOL = 4 mA
IOL = 1.5 mA
Note 2 &
Note 4
VOL
Output Low Voltage
0.5
0.5
0.5
V
IOL = 8 mA
Note 3
VOH
Output High Voltage
1.4
1.8
2.0
V
V
V
IOL = -4 mA
IOL = -2 mA
IOL = -0.2 mA
Note 2
VOH
Output High Voltage
1.2
1.8
2.6
V
V
V
IOH = -8 mA
IOH = -8 mA
IOH = -8 mA
Note 3
IIL
Input Low Leakage Current
±10
±10
±10
uA
IIH
Input High Leakage Current
±10
±10
±10
uA
CIN
Input Pin Capacitance
5
5
5
pF
ICC
Power Supply Current
0.5
1.0
2.0
mA
Test 1
ICC
Power Supply Current
0.6
1.2
2.4
mA
Test 2
ICCS
Standby Current
1
2
5
uA
Test 3
RGPIO
GPIO pull-up resistance
60
140
60
140
60
140
k
100k
± 40%
XRA1404
9
REV. 1.0.0
8-BIT SPI GPIO EXPANDER WITH INTEGRATED LEVEL SHIFTERS
NOTE: The Vcc comes from VCCP pin for the GPIOs and the VCC pin for the other signals;
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%


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