TCA9517
www.ti.com
SCPS242 –DECEMBER 2012
ELECTRICAL CHARACTERISTICS
VCCB = 2.7 V to 5.5 V, GND = 0 V, TA = –40°C to 85°C (unless otherwise noted)
PARAMETER
TEST CONDITIONS
II = –18 mA
VCCB
MIN
TYP
MAX UNIT
VIK
Input clamp voltage
2.7 V to 5.5 V
–1.2
V
IOL = 100 μA or 6 mA,
VILA = VILB = 0 V
SDAB, SCLB
0.45
0.52
0.1
0.6
Low-level output
voltage
VOL
2.7 V to 5.5 V
V
SDAA, SCLA IOL = 6 mA
0.2
Low-level input voltage
VOL – VILc below low-level output
voltage
SDAB, SCLB guaranteed by design
2.7 V to 5.5 V
2.7 V to 5.5 V
70
mV
V
SDA and SCL low-level
VILC
SDAB, SCLB
0.4
input voltage contention
Both channels low,
SDAA = SCLA = GND and
ICC
Quiescent supply current for VCCA
SDAB = SCLB = open, or
SDAA = SCLA = open and
SDAB = SCLB = GND
1
5
mA
Both channels high,
SDAA = SCLA = VCCA and
SDAB = SCLB = VCCB and
EN = VCCB
1.5
Both channels low,
SDAA = SCLA = GND and
SDAB = SCLB = open
ICC
Quiescent supply current
5.5 V
mA
1.5
3
5
5
In contention,
SDAA = SCLA = GND and
SDAB = SCLB = GND
VI = VCCB
VI = 0.2 V
VI = VCCB
VI = 0.2 V
VI = VCCB
VI = 0.2 V
±1
10
±1
10
±1
–30
10
10
10
13
11
13
11
SDAB, SCLB
SDAA, SCLA
EN
II
Input leakage current
2.7 V to 5.5 V
2.7 V to 5.5 V
μA
–10
SDAB, SCLB
SDAA, SCLA
EN
High-level output
leakage current
IOH
VO = 3.6 V
μA
pF
pF
VI = 3 V or 0 V
3.3 V
3.3 V
0 V
6
8
7
8
7
CI
Input capacitance
SCLA, SCLB VI = 3 V or 0 V, EN = GND
SDAA, SDAB VI = 3 V or 0 V , EN = GND
3.3 V
0 V
Input/output
capacitance
CIO
TIMING REQUIREMENTS
over recommended operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
ns
tsu
th
Setup time, EN high before Start condition(1)
Hold time, EN high after Stop condition(1)
100
100
ns
(1) EN should change state only when the global bus and the repeater port are in an idle state.
Copyright © 2012, Texas Instruments Incorporated
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