pca9575 NXP Semiconductors, pca9575 Datasheet - Page 27

• Manufacturer Part Number: pca9575
• Description: 16-bit I2c-bus And Smbus, Level Translating, Low Voltage Gpio With Reset And Interrupt
• Manufacturer: NXP Semiconductors

NXP Semiconductors
Table 22.
V
otherwise specified.
[1]
[2]
[3]
PCA9575_1
Product data sheet
Symbol
Port timing
t
t
t
Interrupt timing
t
t
Reset
t
t
t
t
v(Q)
su(D)
h(D)
v(INT)
rst(INT)
w(rst)
rec(rst)
rst(SDA)
rst(GPIO)
DD
Fig 18. Definition of timing
= 1.1 V to 3.6 V; V
t
t
C
VD;ACK
VD;DAT
b
SDA
SCL
= total capacitance of one bus line in pF.
= minimum time for SDA data out to be valid following SCL LOW.
= time for acknowledgement signal from SCL LOW to SDA (out) LOW.
Parameter
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
SDA reset time
GPIO reset time
Dynamic characteristics
P
t
BUF
S
DD(IO)0
t
HD;STA
= 1.1 V to 3.6 V; V
t
LOW
…continued
t
t
r
HD;DAT
DD(IO)1
Conditions
V
V
V
V
V
V
V
V
Figure 19
Figure 19
DD(IO)0
DD
DD(IO)0
DD
DD(IO)0
DD
DD(IO)0
DD
Rev. 01 — 2 October 2008
16-bit I
t
= 1.1 V
= 2.3 V to 3.6 V
= 1.1 V
= 2.3 V to 3.6 V
HIGH
= 1.1 V to 3.6 V; V
, V
, V
, V
, V
DD(IO)1
DD(IO)1
DD(IO)1
DD(IO)1
2
t
f
C-bus and SMBus, level translating, low voltage GPIO
t
SU;DAT
=
=
=
=
SS
= 0 V; T
Standard-mode
Sr
Min
150
1
8
4
0
-
-
-
-
-
-
I
2
C-bus
t
amb
SU;STA
t
HD;STA
Max
= 40 C to +85 C; unless
350
300
400
400
4
4
-
-
-
-
-
Fast-mode I
t
SP
Min
150
1
8
4
0
-
-
-
-
-
-
t
SU;STO
PCA9575
© NXP B.V. 2008. All rights reserved.
2
C-bus Unit
002aaa986
Max
350
300
400
400
4
4
-
-
-
-
-
P
27 of 37
ns
ns
ns
ns
ns
ns
ns
ns
s
s
s