PCA9555AHF,128 NXP Semiconductors, PCA9555AHF,128 Datasheet - Page 25

• Manufacturer Part Number: PCA9555AHF,128
• Description: Interface - I/O Expanders
• Manufacturer: NXP Semiconductors

Specifications of PCA9555AHF,128

• Rohs: yes
• Maximum Operating Frequency: 100 kHz
• Operating Supply Voltage: 1.65 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: HWQFN-24
• Operating Current: 160 mA
• Output Current: 25 mA
• Power Dissipation: 200 mW
• Product Type: I/O Expanders

NXP Semiconductors
13. Dynamic characteristics
Table 18.
Over recommended operating free air temperature range, unless otherwise specified. See
Table 19.
Over recommended operating free air temperature range; C
PCA9555A
Product data sheet
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
Symbol
t
t
t
t
t
SCL
HIGH
LOW
SP
SU;DAT
HD;DAT
r
f
BUF
SU;STA
HD;STA
SU;STO
VD;DAT
VD;ACK
v(INT)
rst(INT)
v(Q)
su(D)
h(D)
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
valid time on pin INT
reset time on pin INT
data output valid time
data input set-up time
data input hold time
I
Switching characteristics
2
C-bus interface timing requirements
All information provided in this document is subject to legal disclaimers.
Low-voltage 16-bit I
from SCL to P port
Conditions
from P port to INT
from SCL to INT
from P port to SCL
from P port to SCL
Rev. 1 — 11 September 2012
Conditions
SCL LOW to SDA
output valid
ACK signal from
SCL LOW to SDA
(out) LOW
L

100 pF; unless otherwise specified. See
2
C-bus I/O port with interrupt and weak pull-up
Standard-mode
Standard-mode
Min
250
4.7
4.7
4.7
Min
300
0
4
0
0
4
4
-
-
-
-
0
-
-
-
I
2
I
C-bus
2
C-bus
1000
Max
3.45
3.45
100
300
50
-
-
-
-
-
-
-
-
Max
400
Figure
1
1
-
-
(V
DD
27.
20 
Min
PCA9555A
100
0.6
1.3
1.3
0.6
0.6
0.6
Fast-mode
20
/ 5.5 V)
Min
300
0
0
0
-
-
I
0
Fast-mode
-
-
-
2
C-bus
I
Figure
© NXP B.V. 2012. All rights reserved.
2
C-bus
Max
Max
400
300
300
400
28.
0.9
0.9
50
1
1
-
-
-
-
-
-
-
-
-
-
25 of 39
Unit
kHz
s
s
ns
ns
ns
ns
ns
s
s
s
s
s
s
ns
Unit
s
s
ns
ns