pca9555bs NXP Semiconductors, pca9555bs Datasheet - Page 21

• Manufacturer Part Number: pca9555bs
• Description: 16-bit I2c And Smbus I/o Port With Interrupt
• Manufacturer: NXP Semiconductors

NXP Semiconductors
12. Test information
PCA9555_7
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
generators.
L
L
T
= load resistor.
= load capacitance includes jig and probe capacitance.
= termination resistance should be equal to the output impedance of Z
2
C-bus
t
t
r
HD;DAT
from output under test
GENERATOR
Rev. 07 — 5 June 2007
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
of the pulse
t
SU;STO
PCA9555
© NXP B.V. 2007. All rights reserved.
002aaa986
P
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