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PCAL9554CBS bảng dữ liệu(PDF) 31 Page - NXP Semiconductors

tên linh kiện PCAL9554CBS
Giải thích chi tiết về linh kiện  Low-voltage 8-bit I2C-bus and SMBus low power I/O port with interrupt, weak pull-up and Agile I/O
PDF  42 Pages
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nhà sản xuất  NXP [NXP Semiconductors]
Trang chủ  http://www.nxp.com
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PCAL9554CBS bảng dữ liệu(HTML) 31 Page - NXP Semiconductors

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PCAL9554B_PCAL9554C
All information provided in this document is subject to legal disclaimers.
© NXP B.V. 2012. All rights reserved.
Product data sheet
Rev. 2 — 10 December 2012
31 of 42
NXP Semiconductors
PCAL9554B; PCAL9554C
Low-voltage 8-bit I2C-bus/SMBus low power I/O port
a. P port load configuration
b. Write mode (R/W =0)
c. Read mode (R/W =1)
CL includes probe and jig capacitance.
tv(Q) is measured from 0.7  VDD on SCL to 50 % I/O (Pn) output.
All inputs are supplied by generators having the following characteristics: PRR
 10 MHz; Z
o =50 ; tr/tf  30 ns.
The outputs are measured one at a time, with one transition per measurement.
All parameters and waveforms are not applicable to all devices.
Fig 31. P port load circuit and voltage waveforms
002aag805
DUT
CL = 50 pF
500 Ω
Pn
2 × VDD
500 Ω
002aag806
SCL
SDA
P0
A
tv(Q)
0.3 × VDD
0.7 × VDD
P7
last stable bit
unstable
data
Pn
002aag807
SCL
Pn
P0
A
th(D)
0.3 × VDD
0.7 × VDD
P7
tsu(D)



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