5
PCA9515B
www.ti.com.cn
ZHCS780B –MARCH 2012–REVISED MARCH 2016
Copyright © 2012–2016, Texas Instruments Incorporated
(1) All typical values are at nominal supply voltage (V
CC
= 2.5 V or 3.3 V) and T
A
= 25°C.
6.5 Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS V
CC
MIN TYP
(1)
MAX UNIT
V
IK
Input diode clamp voltage I
I
= –18 mA 2.3 V to 3.6 V –1.2 V
V
OL
Low-level output voltage
SDAx,
SCLx
I
OL
= 20 μA or 6 mA 2.3 V to 3.6 V 0.47 0.52 0.6 V
V
OL
– V
ILc
Low-level input voltage below
low-level output voltage
SDAx,
SCLx
guaranteed by design 2.3 V to 3.6 V 120 mV
I
CC
Quiescent supply current
Both channels high,
SDAx = SCLx = V
CC
2.7 V 0.5 3
mA
3.6 V 0.5 3
Both channels low,
SDA0 = SCL0 = GND and
SDA1 = SCL1 = open; or
SDA0 = SCL0 = open and
SDA1 = SCL1 = GND
2.7 V 1 4
3.6 V 1 4
In contention,
SDAx = SCLx = GND
2.7 V 1 4
3.6 V 1 4
I
I
Input current
SDAx,
SCLx
V
I
= 3.6 V
2.3 V to 3.6 V
±1
μA
V
I
= 0.2 V 3
EN
V
I
= V
CC
±1
V
I
= 0.2 V –10 –20
I
off
Leakage current
SDAx,
SCLx
V
I
= 3.6 V
EN = L or H 0 V
0.5
μA
V
I
= GND 0.5
I
I(ramp)
Leakage current during
power up
SDAx,
SCLx
V
I
= 3.6 V EN = L or H 0 V to 2.3 V 1 μA
C
in
Input capacitance
EN
V
I
= 3 V or GND
3.3 V 7 9
pF
SDAx,
SCLx
EN = H 3.3 V 7 9
6.6 Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 3)
V
CC
MIN MAX UNIT
t
su
Setup time, EN↑ before Start condition
2.5 V ± 0.2 V 100
ns
3.3 V ± 0.3 V 100
t
h
Hold time, EN↓ after Stop condition
2.5 V ± 0.2 V 130
ns
3.3 V ± 0.3 V 100
(1) All typical values are at nominal supply voltage (V
CC
= 2.5 V or 3.3 V) and T
A
= 25°C.
(2) Different load resistance and capacitance alter the RC time constant, thereby changing the propagation delay and transition times.
6.7 Switching Characteristics
over recommended operating free-air temperature range, C
L
≤ 100 pF (unless otherwise noted)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
V
CC
MIN TYP
(1)
MAX UNIT
t
PZL
Propagation delay time
(2)
SDA0, SCL0 or
SDA1, SCL1
SDA1, SCL1 or
SDA0, SCL0
2.5 V ± 0.2 V 45 82 130
ns
3.3 V ± 0.3 V 45 68 120
t
PLZ
2.5 V ± 0.2 V 33 113 190
3.3 V ± 0.3 V 33 102 180
t
tHL
Output transition time
(2)
(SDAx, SCLx)
80% 20%
2.5 V ± 0.2 V 57
ns
3.3 V ± 0.3 V 58
t
tLH
20% 80%
2.5 V ± 0.2 V 148
3.3 V ± 0.3 V 147
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