TCA6424A
www.ti.com
SCPS193B –JULY 2010–REVISED SEPTEMBER 2010
ELECTRICAL CHARACTERISTICS
over recommended operating free-air temperature range, VCCI = 1.65 V to 5.5 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
VCCP
MIN
TYP(1)
MAX
UNIT
V
Input diode clamp
voltage
VIK
II = –18 mA
1.65 V to 5.5 V
–1.2
VPOR
Power-on reset voltage VI = VCCP or GND, IO = 0
1.65 V to 5.5 V
1.65 V
2.3 V
1
1.4
V
1.2
1.8
2.6
4.1
1
IOH = –8 mA
3 V
4.5 V
P-port high-level output
voltage
VOH
V
1.65 V
2.3 V
1.7
2.5
4.0
IOH = –10 mA
3 V
4.5 V
1.65 V
2.3 V
0.45
0.25
0.25
0.23
0.6
IOL = 8mA
3 V
4.5 V
P-port low-level output
voltage
VOL
V
1.65 V
2.3 V
0.3
IOL = 10 mA
3 V
0.25
0.24
4.5 V
SDA
VOL = 0.4 V
1.65 V to 5.5 V
1.65 V to 5.5 V
3
3
IOL
mA
INT
VOL = 0.4 V
15
SCL, SDA, RESET
ADDR
VI = VCCI or GND
VI = VCCP or GND
VI = VCCP
±0.1
±0.1
1
II
1.65 V to 5.5 V
1.65 V to 5.5 V
mA
IIH
IIL
P port
mA
mA
P port
VI = GND
1
VI on SDA and RESET= VCCI
or GND,
SDA,
P port,
ADDR,
RESET
VI on P port and ADDR =
1.65 V to 5.5 V
1.65 V to 5.5 V
8
1.7
0.1
30
10
3
VCCP
,
IO = 0, I/O = inputs,
fSCL = 400 kHz
Operating
mode
VI on SDA and RESET= VCCI
or GND,
VI on P port and ADDR =
VCCP,
IO = 0, I/O = inputs,
fSCL = 100 kHz
SDA,
ICC
(ICCP + ICCI
P port,
ADDR,
RESET
mA
)
VI on SCL, SDA and RESET =
VCCI or GND,
VI on P port and ADDR =
VCCP,
IO = 0, I/O = inputs,
fSCL = 0
SCL,
SDA,
P port,
ADDR,
Standby
mode
1.65 V to 5.5 V
1.65 V to 5.5 V
RESET
SCL,SDA One input at VCCI – 0.6 V,
RESET
Additional
current in
Standby
mode
ΔICCI
25
60
Other inputs at VCCI or GND
mA
P port,
ADDR,
One input at VCCP – 0.6 V,
Other inputs at VCCP or GND
ΔICCP
CI
SCL
VI = VCCI or GND
VIO = VCCI or GND
VIO = VCCP or GND
1.65 V to 5.5 V
1.65 V to 5.5 V
6
7
7
8
pF
pF
SDA
P port
Cio
7.5
8.5
(1) Except for ICC, all typical values are at nominal supply voltage (VCCP = VCCI =1.8-V, 2.5-V, 3.3-V, or 5-V VCC) and TA = 25°C. For ICC, all
typical values are at VCCP = VCCI = 3.3 V and TA = 25°C.
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