PCF8575C_15 Datasheet, PDF (6/38 Pages) Texas Instruments – SMBus Low-Power I/O Expander

PCF8575C
SCPS123F – MARCH 2005 – REVISED JANUARY 2015
www.ti.com
6.7 Switching Characteristics
over recommended operating free-air temperature range, C_L ≤ 100 pF (unless otherwise noted) (see Figure 8 and Figure 9)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
MAX UNIT
t_iv
Interrupt valid time
t_ir
Interrupt reset delay time
t_pv
Output data valid
t_su
Input data setup time
t_h
Input data hold time
P port
SCL
SCL
P port
P port
INT
INT
P port
SCL
SCL
4 μs
4 μs
4 μs
0
μs
4
μs
6.8 Typical Characteristics
T_A = 25°C (unless otherwise noted)
100
90
f_SCL = 400 kHz
All I/Os unloaded
80
70
V_CC = 5 V
60
50
40
30
20
10
0
−50 −25 0 25 50 75 100 125
Temperature (°C)
9
SCL = V_CC
8 All I/Os unloaded
7
6
5
V_CC = 5 V
4
3
2
1
0
−50 −25
0 25 50 75
Temperature (°C)
100 125
Figure 1. Supply Current vs Temperature
100
90
f_SCL = 400 kHz
All I/Os unloaded
80
70
60
50
40
30
20
10
0
2.0 2.5 3.0 3.5 4.0 4.5 5.0 5.5
Supply Voltage (V)
Figure 3. Supply Current vs Supply Voltage
Figure 2. Standby Supply Current vs Temperature
35
V_CC = 5 V
30
T_A = −40ºC
25
T_A = 25ºC
20
15
10
T_A = 85ºC
5
0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
V_OL (V)
Figure 4. I/O Sink Current vs Output Low Voltage
6
Submit Documentation Feedback
Product Folder Links: PCF8575C
Copyright © 2005–2015, Texas Instruments Incorporated