TCA9534_16 Datasheet, PDF (6/38 Pages) Texas Instruments – Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander with Interrupt Output and Configuration Registers

TCA9534
SCPS197B – SEPTEMBER 2014 – REVISED NOVEMBER 2016
Electrical Characteristics (continued)
over operating free-air temperature range (unless otherwise noted)
PARAMETER
TEST CONDITIONS
Operating mode
V_I = V_CC or GND, I_O = 0,
I/O = inputs, f_SCL = 400 kHz, no load
I_CC
Standby mode
C_i
SCL
SDA
C_io
P port
V_I = V_CC or GND, I_O = 0,
I/O = inputs,
f_SCL = 0 kHz, no load
V_I = V_CC
V_I = GND
V_I = V_CC or GND
V_IO = V_CC or GND
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V_CC
5.5 V
3.6 V
2.7 V
1.95 V
5.5 V
3.6 V
2.7 V
1.95 V
5.5 V
3.6 V
2.7 V
1.95 V
1.65 V to 5.5 V
1.65 V to 5.5 V
MIN TYP⁽¹⁾ MAX UNIT
22 40
11 30
8 19
5 11
1.5 3.9
0.9 2.2
µA
0.6 1.8
0.4 1.5
1.5 8.7
0.9
4
0.6
3
0.4 2.2
3
8 pF
3 9.5
pF
3.7 9.5
6.6 I²C Interface Timing Requirements
over operating free-air temperature range (unless otherwise noted) (see Figure 19)
STANDARD MODE
f_scl
I²C clock frequency
t_sch
I²C clock high time
t_scl
I²C clock low time
t_sp
I²C spike time
t_sds
I²C serial-data setup time
t_sdh
I²C serial-data hold time
t_icr
I²C input rise time
t_icf
I²C input fall time
t_ocf
I²C output fall time
t_buf
I²C bus free time between Stop and Start
t_sts
I²C Start or repeated Start condition setup
t_sth
I²C Start or repeated Start condition hold
t_sps
I²C Stop condition setup
t_vd(data)
Valid data time
t_vd(ack)
Valid data time of ACK condition
C_b
I²C bus capacitive load
FAST MODE
f_scl
I²C clock frequency
t_sch
I²C clock high time
t_scl
I²C clock low time
t_sp
I²C spike time
t_sds
I²C serial-data setup time
t_sdh
I²C serial-data hold time
t_icr
I²C input rise time
t_icf
I²C input fall time
10-pF to 400-pF bus
SCL low to SDA output valid
ACK signal from SCL low to
SDA (out) low
MIN
0
4
4.7
250
0
4.7
4.7
4
4
0
0.6
1.3
100
0
20
20 × (V_DD /
5.5 V)
MAX UNIT
100 kHz
µs
µs
50
ns
ns
ns
1000
ns
300
ns
300
ns
µs
µs
µs
µs
3.45
µs
3.45
µs
400
pF
400 kHz
µs
µs
50
ns
ns
ns
300
ns
300
ns
6
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