PCA6416A NXP [NXP Semiconductors], PCA6416A Datasheet - Page 26

• Manufacturer Part Number: PCA6416A
• Description: Low-voltage translating 16-bit I2C-bus/SMBus I/O expander
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
14. Dynamic characteristics
Table 20.
Over recommended operating free air temperature range, unless otherwise specified. See
Table 21.
Over recommended operating free air temperature range, unless otherwise specified. See
[1]
PCA6416A
Product data sheet
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
SCL
HIGH
LOW
SP
SU;DAT
HD;DAT
r
f
BUF
SU;STA
HD;STA
SU;STO
VD;DAT
VD;ACK
w(rst)
rec(rst)
rst
Minimum time for SDA to become HIGH or minimum time to wait before doing a START.
Parameter
SCL clock frequency
HIGH period of the SCL clock
LOW period of the SCL clock
pulse width of spikes that must
be suppressed by the input filter
data set-up time
data hold time
rise time of both SDA and SCL signals
fall time of both SDA and SCL signals
bus free time between a STOP and
START condition
set-up time for a repeated START
condition
hold time (repeated) START condition
set-up time for STOP condition
data valid time
data valid acknowledge time
Parameter
reset pulse width
reset recovery time
reset time
I
Reset timing requirements
2
C-bus interface timing requirements
All information provided in this document is subject to legal disclaimers.
Rev. 1 — 11 September 2012
Conditions
SCL LOW to
SDA output valid
ACK signal from
SCL LOW to
SDA (out) LOW
Conditions
Low-voltage translating 16-bit I
[1]
Standard-mode
Standard-mode
Min
250
4.7
4.7
4.7
Min
200
600
0
4
0
0
4
4
30
-
-
-
-
I
2
I
C-bus
2
C-bus
1000
Max
3.45
3.45
100
300
50
-
-
-
-
-
-
-
-
Max
Figure
Figure
-
-
-
2
C-bus/SMBus I/O expander
(V
Fast-mode I
29.
31.
DD
PCA6416A
20 
Min
100
1.3
1.3
0.6
0.6
0.6
Min
200
600
0.6
20
/ 5.5 V)
30
0
0
0
-
-
Fast-mode
I
© NXP B.V. 2012. All rights reserved.
2
C-bus
2
C-bus
Max
Max
400
300
300
0.9
0.9
50
-
-
-
-
-
-
-
-
-
-
-
26 of 42
kHz
ns
ns
Unit
s
s
ns
ns
ns
ns
s
s
s
s
s
s
Unit
ns
ns