PCA9538PW,112 NXP Semiconductors, PCA9538PW,112 Datasheet - Page 15

• Manufacturer Part Number: PCA9538PW,112
• Description: IC I/O EXPANDER I2C 8B 16TSSOP
• Manufacturer: NXP Semiconductors

Specifications of PCA9538PW,112

• Interface: I²C, SMBus
• Number Of I /o: 8
• Interrupt Output: Yes
• Frequency - Clock: 400kHz
• Voltage - Supply: 2.3 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 16-TSSOP
• Includes: POR
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 935277419112; PCA9538PW; PCA9538PW

NXP Semiconductors
10. Dynamic characteristics
Table 10.
[1]
[2]
[3]
PCA9538_5
Product data sheet
Symbol
f
t
t
t
t
t
t
t
t
t
t
t
t
t
Port timing
t
t
t
Interrupt timing
t
t
RESET
t
t
t
SCL
BUF
HD;STA
SU;STA
SU;STO
HD;DAT
VD;ACK
VD;DAT
SU;DAT
LOW
HIGH
r
f
SP
v(Q)
su(D)
h(D)
v(INT)
rst(INT)
w(rst)
rec(rst)
rst
t
t
C
VD;ACK
VD;DAT
b
= total capacitance of one bus line in pF.
= minimum time for the SDA data out to be valid following SCL LOW.
= time for Acknowledgement signal from SCL LOW to SDA (out) LOW.
Parameter
SCL clock frequency
bus free time between a STOP and
START condition
hold time (repeated) START condition
set-up time for a repeated START
condition
set-up time for STOP condition
data hold time
data valid acknowledge time
data valid time
data set-up time
LOW period of the SCL clock
HIGH period of the SCL clock
rise time of both SDA and SCL signals
fall time of both SDA and SCL signals
pulse width of spikes that must be
suppressed by the input filter
data output valid time
data input set-up time
data input hold time
valid time on pin INT
reset time on pin INT
reset pulse width
reset recovery time
reset time
Dynamic characteristics
8-bit I
2
Rev. 05 — 28 May 2009
C-bus and SMBus low power I/O port with interrupt and reset
Conditions
[1]
[2]
Standard-mode
Min
300
250
100
400
4.7
4.0
4.7
4.0
0.3
4.7
4.0
0
0
1
4
0
-
-
-
-
-
-
I
2
C-bus
1000
Max
3.45
100
300
200
50
4
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
20 + 0.1C
20 + 0.1C
Fast-mode I
Min
100
100
400
1.3
0.6
0.6
0.6
0.1
1.3
0.6
50
0
0
1
4
0
-
-
-
-
PCA9538
© NXP B.V. 2009. All rights reserved.
b
b
[3]
[3]
2
C-bus
Max
400
300
300
200
0.9
50
4
4
-
-
-
-
-
-
-
-
-
-
-
-
-
-
15 of 28
Unit
kHz
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s
s
s
s
s
s
s
s