Datasheet

I
2
C INTERFACE TIMING REQUIREMENTS
SWITCHING CHARACTERISTICS
TYPICAL CHARACTERISTICS
0
5
10
15
20
25
30
35
40
45
50
55
-50 -25 0 25 50 75 100
T
A
– Fre e-Air Te mperature – °C
I
CC
– Supply Current – µA
V
CC
= 2.5 V
V
CC
= 3.3 V
V
CC
= 5 V
f
SCL
= 400 kHz
I/Os Unloaded
0
10
20
30
40
50
60
70
2.3 2.7 3.1 3.5 3.9 4.3 4.7 5.1 5.5
V
CC
– Supply Voltage – V
I
CC
– Supply Current – µA
f
SCL
= 400 kHz
I/Os Unloaded
0
5
10
15
20
25
30
-50 -25 0 25 50 75 100
T
A
– Fre e-Air Tem perature – °C
I
CC
– Supply Current – nA
V
CC
= 2.5 V
V
CC
= 3.3 V
V
CC
= 5 V
SCL = V
CC
PCA9535
www.ti.com ........................................................................................................................................................... SCPS129I – AUGUST 2005 – REVISED MAY 2008
over recommended operating free-air temperature range (unless otherwise noted) (see Figure 11 )
MIN MAX UNIT
f
scl
I
2
C clock frequency 0 400 kHz
t
sch
I
2
C clock high time 0.6 µ s
t
scl
I
2
C clock low time 1.3 µ s
t
sp
I
2
C spike time 50 ns
t
sds
I
2
C serial-data setup time 100 ns
t
sdh
I
2
C serial-data hold time 0 ns
t
icr
I
2
C input rise time 20 + 0.1C
b
(1)
300 ns
t
icf
I
2
C input fall time 20 + 0.1C
b
(1)
300 ns
t
ocf
I
2
C output fall time 10-pF to 400-pF bus 20 + 0.1C
b
(1)
300 ns
t
buf
I
2
C bus free time between Stop and Start 1.3 µ s
t
sts
I
2
C Start or repeated Start condition setup 0.6 µ s
t
sth
I
2
C Start or repeated Start condition hold 0.6 µ s
t
sps
I
2
C Stop condition setup 0.6 µ s
t
vd(data)
Valid-data time SCL low to SDA output valid 50 ns
t
vd(ack)
Valid-data time of ACK condition ACK signal from SCL low to SDA (out) low 0.1 0.9 µ s
C
b
I
2
C bus capacitive load 400 pF
(1) C
b
= total capacitance of one bus line in pF
over recommended operating free-air temperature range, C
L
≤ 100 pF (unless otherwise noted) (see Figure 12 and Figure 13 )
FROM TO
PARAMETER MIN MAX UNIT
(INPUT) (OUTPUT)
t
iv
Interrupt valid time P port INT 4 µ s
t
ir
Interrupt reset delay time SCL INT 4 µ s
t
pv
Output data valid SCL P port 200 ns
t
ps
Input data setup time P port SCL 150 ns
t
ph
Input data hold time P port SCL 1 µ s
T
A
= 25 ° C (unless otherwise noted)
SUPPLY CURRENT STANDBY SUPPLY CURRENT SUPPLY CURRENT
vs vs vs
TEMPERATURE TEMPERATURE SUPPLY VOLTAGE
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