PCA9555AHF,128 NXP Semiconductors, PCA9555AHF,128 Datasheet - Page 28

• Manufacturer Part Number: PCA9555AHF,128
• Description: Interface - I/O Expanders
• Manufacturer: NXP Semiconductors

Specifications of PCA9555AHF,128

• Rohs: yes
• Maximum Operating Frequency: 100 kHz
• Operating Supply Voltage: 1.65 V to 5.5 V
• Operating Temperature Range: - 40 C to + 85 C
• Mounting Style: SMD/SMT
• Package / Case: HWQFN-24
• Operating Current: 160 mA
• Output Current: 25 mA
• Power Dissipation: 200 mW
• Product Type: I/O Expanders

NXP Semiconductors
PCA9555A
Product data sheet
Fig 29. P port load circuit and voltage waveforms
a. P port load configuration
b. Write mode (R/W = 0)
c. Read mode (R/W = 1)
C
t
All inputs are supplied by generators having the following characteristics: PRR  10 MHz; Z
The outputs are measured one at a time, with one transition per measurement.
All parameters and waveforms are not applicable to all devices.
v(Q)
L
includes probe and jig capacitance.
is measured from 0.7  V
SDA
SCL
SCL
Pn
Pn
DD
on SCL to 50 % I/O (Pn) output.
DUT
P0
P0
All information provided in this document is subject to legal disclaimers.
Low-voltage 16-bit I
Rev. 1 — 11 September 2012
t
su(D)
Pn
unstable
C L = 50 pF
t
data
v(Q)
A
A
t
h(D)
500 Ω
2
C-bus I/O port with interrupt and weak pull-up
last stable bit
500 Ω
P7
P7
002aag805
2 × V
DD
0.7 × V
0.3 × V
0.7 × V
0.3 × V
002aag807
002aag806
o
DD
DD
DD
DD
= 50 ; t
PCA9555A
r
/t
f
 30 ns.
© NXP B.V. 2012. All rights reserved.
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