pca9535ecmttxg ON Semiconductor, pca9535ecmttxg Datasheet - Page 16

• Manufacturer Part Number: pca9535ecmttxg
• Description: Pca9535e, Pca9535ec 16-bit Low-power I/o Expander For I2c Bus With Interrupt
• Manufacturer: ON Semiconductor

Rise and fall times refer to V
SCL
IOn
protocol
SDA
R
C
R
SCL
L
L
T
= load resistor.
= load capacitance includes jig and probe capacitance.
= termination resistance should be equal to the output impedance of Z
t
SU;STA
t
BUF
condition
START
(S)
t
HD;STA
from output under test
GENERATOR
IL
PULSE
and V
Figure 21. Test Circuitry for Switching Times
t
LOW
t
r
IH
MSB
t
bit 7
(A7)
Figure 19. I
v(Q)
t
HIGH
Figure 22. Load Circuit
Figure 20. t
V
I
t
http://onsemi.com
SU;DAT
t
f
1
50 pF
2
/f
bit 6
(A6)
R T
C Bus Timing Diagram
SCL
C L
DUT
V
DD
16
t
HD;DAT
V(Q)
SCL
R L
500 W
IOn
V
Timing
O
500 W
R L
C L
50 pF
t
VD;DAT
S1
R L
500 W
acknowledge
(A)
2V
open
GND
V
open
GND
o
DD
of the pulse generators.
DD
t
VD;ACK
(P)
t
v(Q)
t
SU;STO