TCA6416A Datasheet, PDF (13/32 Pages) Texas Instruments – LOW-VOLTAGE 16-BIT I2C AND SMBus I/O EXPANDER WITH INTERRUPT OUTPUT, RESET, AND CONFIGURATION REGISTERS

TCA6416A
www.ti.com ....................................................................................................................................................................................................... SCPS194 – MAY 2009
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, V_CCI = 1.65 V to 5.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
V_CCP
MIN TYP⁽¹⁾
V_IK
Input diode clamp
voltage
I_I = –18 mA
1.65 V to 5.5 V –1.2
MAX
UNIT
V
V_POR
Power-on reset
voltage
V_I = V_CCP or GND, I_O = 0
1.65 V to 5.5 V
1 1.4 V
1.65 V
1.2
I_OH = –8 mA
2.3 V
1.8
3V
2.6
V_OH
P-port high-level
output voltage
4.5 V
4.1
V
1.65 V
1.1
I_OH = –10 mA
2.3 V
1.7
3V
2.5
4.5 V
4.0
1.65 V
0.45
I_OL = 8 mA
2.3 V
0.25
3V
0.25
V_OL
P-port low-level
output voltage
4.5 V
1.65 V
0.2
V
0.6
I_OL = 10 mA
2.3 V
0.3
3V
0.25
4.5 V
0.2
SDA
I_OL
INT
V_OL = 0.4 V
V_OL = 0.4 V
1.65 V to 5.5 V
3
mA
1.65 V to 5.5 V
3
15
I_I
SCL, SDA,
RESET
V_I = V_CCI or GND
ADDR
V_I = V_CCP or GND
1.65 V to 5.5 V
±0.1
µA
±0.1
I_IH
P port
V_I = V_CCP
I_IL
P port
V_I = GND
1.65 V to 5.5 V
1 µA
1 µA
I_CC
(I_CCI + I_CCP)
SDA, P port,
ADDR, RESET
V_I on SDA and RESET = V_CCI or GND,
V_I on P port and ADDR = V_CCP,
I_O = 0, I/O = inputs, f_SCL = 400 kHz
SCL, SDA, P port,
ADDR, RESET
V_I on SCL, SDA and RESET= V_CCI or GND,
V_I on P port and ADDR = V_CCP,
I_O = 0, I/O = inputs, f_SCL = 0
3.6 V to 5.5 V
2.3 V to 3.6 V
1.65 V to 2.3 V
3.6 V to 5.5 V
2.3 V to 3.6 V
1.65 V to 2.3 V
10
20
6.5
15
4
9
µA
1.5
7
1 3.2
0.5 1.7
ΔI_CCI
ΔI_CCP
C_i
C_io
SCL,SDA,
RESET
P port, ADDR
SCL
SDA
P port
One input at V_CCI – 0.6 V,
Other inputs at V_CCI or GND
One input at V_CCP – 0.6 V,
Other inputs at V_CCP or GND
V_I = V_CCI or GND
V_IO = V_CCI or GND
V_IO = V_CCP or GND
1.65 V to 5.5 V
1.65 V to 5.5 V
1.65 V to 5.5 V
25
µA
80
6
7 pF
7
8
pF
7.5 8.5
(1) Except for I_CC, all typical values are at nominal supply voltage (1.8-V, 2.5-V, 3.3-V, or 5-V V_CC) and T_A = 25°C. For I_CC, the typical
values are at V_CCP = V_CCI = 3.3 V and T_A = 25°C.
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