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TCA9617BDGKR Fiches technique(PDF) 6 Page - Texas Instruments

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No de pièce TCA9617BDGKR
Description  Level-Translating FM I2C Bus Repeater
Download  24 Pages
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TCA9617BDGKR Fiches technique(HTML) 6 Page - Texas Instruments

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TA = -40 C
TA = 25 C
T
A = 85 C
Port B IOL (mA)
Port A IOL (mA)
T
A = -40 C
TA = 25 C
TA = 85 C
TCA9617B
SCPS259A – DECEMBER 2014 – REVISED DECEMBER 2014
www.ti.com
7.6 Timing Requirements
VCCA = 0.8 V to 5.5 V, VCCB = 2.2 V to 5.5 V, GND = 0 V, TA = –40°C to 85°C (unless otherwise noted)
(1) (2) (3)
FROM
TO
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX UNIT
(INPUT)
(OUTPUT)
SDAB, SCLB
SDAA, SCLA
42
55
90
tPLH
Propagation delay
VCCB ≤ 3 V
61
88
137
ns
SDAA, SCLA
SDAB, SCLB
VCCB > 3 V
61
94
250
SDAB, SCLB
SDAA, SCLA
69
93
144
tPHL
Propagation delay
ns
SDAA, SCLA
SDAB, SCLB
68
90
140
B side
88
Transition
tTLH
(4)
30%
70%
ns
time
A side
37
B side
5.40
6.41
13.8
Transition
tTHL
70%
30%
ns
time
A side
1.40
4.71
11.3
tsu,en
Setup time, EN high before Start condition(5)
100
ns
(1)
Times are specified with loads of 240
Ω ±1% and 400 pF ±10% on B-side and 240 Ω ±1% and 200 pF ±10% on A-side. Different load
resistance and capacitance alter the rise time, thereby changing the propagation delay and transition times.
(2)
Times are specified with A-side signals pulled up to VCCA and B-side signals pulled up to VCCB.
(3)
Typical values were measured with VCCA = 0.9 V and VCCB = 2.5 V at TA = 25°C, unless otherwise noted.
(4)
TTLH is determined by the pull-up resistance and load capacitance.
(5)
EN should change state only when the global bus and the repeater port are in an idle state.
7.7 Typical Characteristics
VCCA = 0.9 V
VCCB = 2.2 V
VCCA = 0.9 V
VCCB = 2.2 V
Figure 1. Port A VOL vs IOL
Figure 2. Port B VOL vs IOL
6
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Product Folder Links: TCA9617B


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