PCA9505 NXP [NXP Semiconductors], PCA9505 Datasheet - Page 23

• Manufacturer Part Number: PCA9505
• Description: 40-bit I2C-bus I/O port with RESET, OE and INT
• Manufacturer: NXP [NXP Semiconductors]

NXP Semiconductors
13. Test information
PCA9505_9506_3
Product data sheet
Fig 18. Reset timing
RESET
IOx_y
SCL
SDA
50 %
Fig 19. Test circuitry for switching times
t
rec(rst)
START
30 %
R
C
R
generators.
L
L
T
= load resistance
= load capacitance includes jig and probe capacitance
= termination resistance should be equal to the output impedance Z
GENERATOR
Rev. 03 — 6 June 2007
PULSE
V
I
40-bit I
R T
DUT
V
DD
2
t
w(rst)
C-bus I/O port with RESET, OE and INT
50 %
V
O
ACK or read cycle
t
t
rst
rst
C L
50 pF
50 %
R L
500
50 %
002aac019
500
PCA9505/06
2V
open
V
o
SS
output off
of the pulse
DD
© NXP B.V. 2007. All rights reserved.
002aac018
23 of 31