PCA9555PW NXP Semiconductors, PCA9555PW Datasheet - Page 21

• Manufacturer Part Number: PCA9555PW
• Description: IC, I2C-BUS AND SMBUS I/O PORT, TSSOP24
• Manufacturer: NXP Semiconductors

Specifications of PCA9555PW

• Chip Configuration: 16 Bit
• Bus Frequency: 400kHz
• Ic Interface Type: I2C
• No. Of I/o's: 16
• Supply Voltage Range: 2.3V To 5.5V
• Digital Ic Case Style: TSSOP
• No. Of Pins: 24
• Termination Type: SMD
• Filter Terminals: SMD
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

NXP Semiconductors
12. Test information
PCA9555_8
Product data sheet
Fig 23. Definition of timing on the I
SDA
SCL
P
t
BUF
S
Fig 24. Test circuitry for switching times
Fig 25. Load circuit
t
HD;STA
t
LOW
R
C
R
L
L
T
= load resistor.
= load capacitance includes jig and probe capacitance.
= termination resistance should be equal to the output impedance of Z
2
t
t
r
HD;DAT
C-bus
from output under test
GENERATOR
Rev. 08 — 22 October 2009
PULSE
t
HIGH
t
f
t
SU;DAT
V
I
16-bit I
50 pF
R T
C L
DUT
V
2
DD
C-bus and SMBus I/O port with interrupt
Sr
R L
500
V
O
500
R L
t
SU;STA
t
HD;STA
C L
50 pF
S1
R L
500
002aac226
002aab284
2V
open
GND
V
open
GND
DD
DD
t
SP
o
t
of the pulse generators.
SU;STO
PCA9555
© NXP B.V. 2009. All rights reserved.
002aaa986
P
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