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| TCA8418 Datasheet, PDF (26/37 Pages) Texas Instruments – I2C CONTROLLED KEYPAD SCAN IC WITH INTEGRATED ESD PROTECTION | |||
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TCA8418
SCPS215 â SEPTEMBER 2009 ......................................................................................................................................................................................... www.ti.com
TYPICAL CHARACTERISTICS (continued)
TA = 25°C (unless otherwise noted)
I/O LOW VOLTAGE
vs
TEMPERATURE
120
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
20
VCC = 1.65 V
90 VCC = 1.8 V, IOL = 10 m A
60 VCC = 3.3 V, IOL = 10 m A
TA = -40°C
15
TA = 25°C
TA = 85°C
10
30
5
VCC = 1.8 V, IOL = 1 m A
VCC = 3.3 V, IOL = 1 m A
0
-40
-15
10
35
60
Tem perature, TA (°C)
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
24
VCC = 1.8 V
TA = -40°C
18
TA = 25°C
TA = 85°C
12
0
85
0.0
0.1
0.2
0.3
0.4
0.5
0.6
VCCP - VOH (V)
I/O SOURCE CURRENT
vs
OUTPUT HIGH VOLTAGE
36
VCC = 2.5 V
TA = -40°C
27
TA = 25°C
TA = 85°C
18
6
9
0
0
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.0
0.1
0.2
0.3
0.4
0.5
0.6
VCCP - VOH (V)
VCCP - VOH (V)
26
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Copyright © 2009, Texas Instruments Incorporated
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