TCA8418E_15 Datasheet, PDF (5/50 Pages) Texas Instruments – I2C Controlled Keypad Scan IC With Integrated ESD Protection

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TCA8418E
SCPS222C – MAY 2010 – REVISED OCTOBER 2015
6.4 Thermal Information
over operating free-air temperature range (unless otherwise noted)
THERMAL METRIC⁽¹⁾
TCA8418E
YFP (DSBGA)
UNIT
25 PINS
R_θJA
R_θJC(top)
R_θJB
ψ_JT
ψ_JB
R_θJC(bot)
Junction-to-ambient thermal resistance
Junction-to-case (top) thermal resistance
Junction-to-board thermal resistance
Junction-to-top characterization parameter
Junction-to-board characterization parameter
Junction-to-case (bottom) thermal resistance
61.2
°C/W
0.4
°C/W
10.6
°C/W
1.0
°C/W
10.6
°C/W
N/A
°C/W
(1) For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
6.5 Electrical Characteristics
over recommended operating free-air temperature range, V_CC = 1.65 V to 3.6 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CC
MIN
V_IK
Input diode clamp voltage
I_I = –18 mA
1.65 V to 3.6 V –1.2
V_PORR
Power-on reset voltage, V_CC
rising
V_PORF
Power-on reset voltage, V_CC
falling
V_I = V_CCP or GND, I_O = 0
1.03
1.65 V to 3.6 V
0.76
I_OH = –1 mA
1.65 V
1.25
1.65 V
1.2
I_OH = –8 mA
V_OH
ROW0–7, COL0–9 high-level
output voltage
2.3 V
1.8
3V
2.6
1.65 V
1.1
I_OH = –10 mA
2.3 V
1.7
3V
2.5
I_OL = 1 mA
1.65 V
1.65 V
I_OL = 8 mA
V_OL
ROW0–7, COL0–9 low-level
output voltage
2.3 V
3V
1.65 V
I_OL = 10 mA
2.3 V
3V
SDA
I_OL
INT and CAD_INT
I_I
SCL, SDA, ROW0–7,
COL0–9, RESET
V_OL = 0.4 V
V_OL = 0.4 V
V_I = V_CCI or GND
1.65 V to 3.6 V
3
1.65 V to 3.6 V
3
1.65 V to 3.6 V
R_INT Internal pullup resistor value ROW0–7, COL0–9
TYP MAX
1.43
1.15
0.4
0.45
0.25
0.25
0.6
0.3
0.25
1
55
UNIT
V
V
V
V
mA
μA
kΩ
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