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TCA9534 Fiches technique(PDF) 7 Page - Texas Instruments

No de pièce TCA9534
Description  Low Voltage 8-Bit I2C and SMBUS Low-Power I/O Expander with Interrupt Output and Configuration Registers
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TCA9534 Fiches technique(HTML) 7 Page - Texas Instruments

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TCA9534
www.ti.com
SCPS197B – SEPTEMBER 2014 – REVISED NOVEMBER 2016
Product Folder Links: TCA9534
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Copyright © 2014–2016, Texas Instruments Incorporated
I
2C Interface Timing Requirements (continued)
over operating free-air temperature range (unless otherwise noted) (see Figure 19)
MIN
MAX
UNIT
tocf
I2C output fall time
10-pF to 400-pF bus
20 × (VDD /
5.5 V)
300
ns
tbuf
I2C bus free time between Stop and Start
1.3
µs
tsts
I2C Start or repeated Start condition setup
0.6
µs
tsth
I2C Start or repeated Start condition hold
0.6
µs
tsps
I2C Stop condition setup
0.6
µs
tvd(data)
Valid data time
SCL low to SDA output valid
0.9
µs
tvd(ack)
Valid data time of ACK condition
ACK signal from SCL low to
SDA (out) low
0.9
µs
Cb
I2C bus capacitive load
400
pF
6.7 Switching Characteristics
over operating free-air temperature range (unless otherwise noted) (see Figure 20 and Figure 21)
PARAMETER
FROM
(INPUT)
TO
(OUTPUT)
MIN
MAX
UNIT
tiv
Interrupt valid time
P port
INT
4
µs
tir
Interrupt reset delay time
SCL
INT
4
µs
tpv
Output data valid
SCL
P7–P0
350
ns
tps
Input data setup time
P port
SCL
100
ns
tph
Input data hold time
P port
SCL
1
µs


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