PCA9538APWJ NXP Semiconductors, PCA9538APWJ Datasheet - Page 14

• Manufacturer Part Number: PCA9538APWJ
• Description: Interface - I/O Expanders 8bit I2C IO Port
• Manufacturer: NXP Semiconductors

Specifications of PCA9538APWJ

• 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: TSSOP-16
• Operating Current: 160 mA
• Output Current: 25 mA
• Power Dissipation: 200 mW
• Product Type: I/O Expanders

NXP Semiconductors
PCA9538A
Product data sheet
Glitches in the power supply can also affect the power-on reset performance of this
device. The glitch width (t
other. The bypass capacitance, source impedance, and device impedance are factors that
affect power-on reset performance.
how to measure these specifications.
V
is released and all the registers and the I
their default states. The value of V
0 V.
Fig 17. Glitch width and glitch height
Fig 18. Power-on reset voltage (V
POR
V
V
POR
POR
Figure 18
is critical to the power-on reset. V
(falling V
(rising V
V
DD
DD
DD
∆V
)
)
and
POR
V
DD(gl)
All information provided in this document is subject to legal disclaimers.
DD
Table 10
Rev. 1 — 28 September 2012
w(gl)VDD
Low-voltage 8-bit I
provide more details on this specification.
t
w(gl)VDD
) and glitch height (V
POR
POR
Figure 17
)
POR
differs based on the V
2
C-bus/SMBus state machine are initialized to
is the voltage level at which the reset condition
and
2
C-bus I/O port with interrupt and reset
Table 10
DD(gl)
provide more information on
) are dependent on each
DD
being lowered to or from
PCA9538A
© NXP B.V. 2012. All rights reserved.
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