Datasheet

PCA9513A_PCA9514A_4 © NXP B.V. 2009. All rights reserved.
Product data sheet Rev. 04 — 18 August 2009 15 of 26
NXP Semiconductors
PCA9513A; PCA9514A
Hot swappable I
2
C-bus and SMBus bus buffer
[1] This specification applies over the full operating temperature range.
[2] The enable time can slow considerably for some parts when temperature is < −20 °C.
Rise time accelerators
I
trt(pu)
transient boosted pull-up
current
positive transition on
SDA, SCL; V
CC
= 2.7 V;
slew rate = 1.25 V/µs
[5][6]
12-mA
Input-output connection
V
offset
offset voltage 10 kΩ to V
CC
on SDA,
SCL; V
CC
= 3.3 V
[1][7][9]
0 118 175 mV
t
PLH
LOW to HIGH propagation
delay
SCL to SCL and
SDA to SDA;
10 kΩ to V
CC
;
C
L
= 100 pF each side
-20-ns
t
PHL
HIGH to LOW propagation
delay
SCL to SCL and
SDA to SDA;
10 kΩ to V
CC
;
C
L
= 100 pF each side
-80-ns
C
i(SCL/SDA)
SCL and SDA input
capacitance
[4]
- 68pF
V
OL
LOW-level output voltage V
I
= 0 V; SDAn, SCLn
pins; I
sink
= 3 mA;
V
CC
= 2.7 V
[1]
0 0.3 0.4 V
I
pu(SCLIN)
pull-up current on pin SCLIN V
ENABLE
=V
CC
;
PCA9513A only
[9]
65 112 150 µA
I
pu(SDAIN)
pull-up current on pin SDAIN V
ENABLE
=V
CC
;
PCA9513A only
[9]
65 112 150 µA
I
LI
input leakage current SDAn, SCLn pins;
V
CC
= 5.5 V
−1-+1µA
System characteristics
f
SCL
SCL clock frequency
[4]
0 - 400 kHz
t
BUF
bus free time between a
STOP and START condition
[4]
1.3 - - µs
t
HD;STA
hold time (repeated) START
condition
[4]
0.6 - - µs
t
SU;STA
set-up time for a repeated
START condition
[4]
0.6 - - µs
t
SU;STO
set-up time for STOP
condition
[4]
0.6 - - µs
t
HD;DAT
data hold time
[4]
300 - - ns
t
SU;DAT
data set-up time
[4]
100 - - ns
t
LOW
LOW period of the SCL clock
[4]
1.3 - - µs
t
HIGH
HIGH period of the SCL clock
[4]
0.6 - - µs
t
f
fall time of both SDA and SCL
signals
[4][8]
20 + 0.1 × C
b
- 300 ns
t
r
rise time of both SDA and
SCL signals
[4][8]
20 + 0.1 × C
b
- 300 ns
Table 5. Characteristics
…continued
V
CC
= 2.7 V to 5.5 V; T
amb
= − 40 ° C to +85 ° C; unless otherwise specified.
Symbol Parameter Conditions Min Typ Max Unit