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TCA8418EYFPR Datasheet(PDF) 13 Page - Texas Instruments

Part # TCA8418EYFPR
Description  TCA8418E I2C Controlled Keypad Scan IC With Integrated ESD Protection
PDF  51 Pages
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Manufacturer  TI2 [Texas Instruments]
Direct Link  https://www.ti.com
Logo TI2 - Texas Instruments

TCA8418EYFPR Datasheet(HTML) 13 Page - Texas Instruments

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P0
A
SCL
P3
Unstable
Data
Last Stable Bit
SDA
WRITE MODE (R/
= 0)
W
P0
A
SCL
P3
READ MODE (R/
= 1)
W
DUT
P-PORT LOAD CONFIGURATION
Pn
500 W
500 W
2
V
´ CC
0.7
VCC
´
0.3
VCC
´
0.7
VCC
´
0.3
VCC
´
0.5
VCC
´
C = 50 pF
(see Note A)
L
Slave
ACK
t
(see Note B)
pv
Pn
Pn
tps
tph
TCA8418E
www.ti.com
SCPS222C – MAY 2010 – REVISED OCTOBER 2015
Parameter Measurement Information (continued)
A.
CL includes probe and jig capacitance.
B.
tpv is measured from 0.7 × VCC on SCL to 50% I/O (Pn) output.
C.
All inputs are supplied by generators having the following characteristics: PRR
≤ 10 MHz, ZO = 50 Ω, tr/tf ≤ 30 ns.
D.
The outputs are measured one at a time, with one transition per measurement.
E.
All parameters and waveforms are not applicable to all devices.
Figure 18. P Port Load Circuit and Timing Waveforms
Copyright © 2010–2015, Texas Instruments Incorporated
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Product Folder Links: TCA8418E



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