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PCA9698 Datasheet(PDF) 39 Page - NXP Semiconductors

Part # PCA9698
Description  40-bit Fm I2C-bus advanced I/O port with RESET, OE and INT
PDF  48 Pages
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Manufacturer  NXP [NXP Semiconductors]
Direct Link  http://www.nxp.com
Logo NXP - NXP Semiconductors

PCA9698 Datasheet(HTML) 39 Page - NXP Semiconductors

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PCA9698
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2010. All rights reserved.
Product data sheet
Rev. 3 — 3 August 2010
39 of 48
NXP Semiconductors
PCA9698
40-bit Fm+ I2C-bus advanced I/O port with RESET, OE and INT
13. Test information
Fig 39. Reset timing
SDA
SCL
002aac018
trst
50 %
30 %
50 %
50 %
50 %
trec(rst)
tw(rst)
RESET
IOx_y
output off
START
trst
ACK or read cycle
RL = load resistance.
CL = load capacitance includes jig and probe capacitance.
RT = termination resistance should be equal to the output impedance Zo of the pulse generators.
Fig 40. Test circuitry for switching times
PULSE
GENERATOR
VO
CL
50 pF
RL
500
Ω
002aac019
RT
VI
VDD
DUT
2VDD
open
VSS
500
Ω



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