6
TCA9517
ZHCSAT1D –DECEMBER 2012–REVISED JULY 2017
www.ti.com.cn
Copyright © 2012–2017, Texas Instruments Incorporated
7.5 Electrical Characteristics
V
CCB
= 2.7 V to 5.5 V, GND = 0 V, T
A
= –40°C to 85° C (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CCB
MIN TYP MAX UNIT
V
IK
Input clamp voltage I
I
= –18 mA 2.7 V to 5.5 V –1.2 V
V
OL
Low-level output
voltage
SDAB, SCLB
I
OL
= 100 μA or 6 mA,
V
ILA
= V
ILB
= 0 V
2.7 V to 5.5 V
0.45 0.52 0.6
V
SDAA, SCLA I
OL
= 6 mA 0.1 0.2
V
OL
– V
ILc
Low-level input voltage
below low-level output
voltage
SDAB, SCLB ensured by design 2.7 V to 5.5 V 70 mV
V
ILC
SDA and SCL low-level
input voltage contention
SDAB, SCLB 2.7 V to 5.5 V 0.4 V
I
CC
Quiescent supply current for V
CCA
Both channels low,
SDAA = SCLA = GND and
SDAB = SCLB = open, or
SDAA = SCLA = open and
SDAB = SCLB = GND
1 mA
I
CC
Quiescent supply current
Both channels high,
SDAA = SCLA = V
CCA
and
SDAB = SCLB = V
CCB
and
EN = V
CCB
5.5 V
1.5 5
mA
Both channels low,
SDAA = SCLA = GND and
SDAB = SCLB = open
1.5 5
In contention,
SDAA = SCLA = GND and
SDAB = SCLB = GND
3 5
I
I
Input leakage current
SDAB, SCLB
V
I
= V
CCB
2.7 V to 5.5 V
±1
μA
V
I
= 0.2 V 10
SDAA, SCLA
V
I
= V
CCB
±1
V
I
= 0.2 V 10
EN
V
I
= V
CCB
±1
V
I
= 0.2 V –10 –30
I
OH
High-level output
leakage current
SDAB, SCLB
V
O
= 3.6 V 2.7 V to 5.5 V
10
μA
SDAA, SCLA 10
C
I
Input capacitance
EN V
I
= 3 V or 0 V 3.3 V 6 10
pF
SCLA, SCLB V
I
= 3 V or 0 V
3.3 V 8 13
0 V 7 11
C
IO
Input/output
capacitance
SDAA, SDAB V
I
= 3 V or 0 V
3.3 V 8 13
pF
0 V 7 11
(1) EN should change state only when the global bus and the repeater port are in an idle state.
7.6 Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted)
MIN MAX UNIT
t
su
Setup time, EN high before Start condition
(1)
100 ns
t
h
Hold time, EN high after Stop condition
(1)
100 ns