TCA9548A_15 Datasheet, PDF (7/35 Pages) Texas Instruments – Low-Voltage 8-Channel I2C Switch With Reset

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TCA9548A
SCPS207E – MAY 2012 – REVISED OCTOBER 2015
6.8 Reset Timing Requirements
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER
t_W(L)
t_REC(STA)
Pulse duration, RESET low
Recovery time from RESET to start
MIN MAX UNIT
6
ns
0
ns
6.9 Typical Characteristics
800
V_CC = 5.5V
700
V_CC = 3.3V
V_CC = 1.65V
600
500
400
300
200
100
0
0
2
4
6
8
10
12
I_OL (mA)
D003
Figure 1. SDA Output Low Voltage (V_OL) vs Load Current
(I_OL) at Three V_CC Levels
6
25ºC (Room Temperature)
5.8
85ºC
5.6
-40º
5.4
5.2
5
4.8
4.6
4.4
4.2
4
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V_CC (V)
D006
Figure 3. Slave Channel (SCn/SDn) Capacitance (C_io(OFF)) vs.
Supply Voltage (V_CC) at Three Temperature Points
1.8
1.6
1.4
1.2
1
0.8
0.6
25ºC (Room Temperature)
0.4
85ºC
-40ºC
0.2
1.5
2
2.5
3
3.5
4
4.5
5
5.5
V_CC (V)
D004
Figure 2. Standby Current (I_CC) vs Supply Voltage (V_CC) at
Three Temperature Points
30
25
20
15
10
5
25ºC (Room Temperature)
85ºC
-40ºC
0
0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5 5.5
V_CC (V)
D001
Figure 4. ON-Resistance (R_ON) vs Supply Voltage (V_CC) at
Three Temperatures
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