Datasheet

R =1k
L
W
V
CC
C =50pF
L
(seeNote A)
t
buf
t
icr
t
sth
t
sds
t
sdh
t
icf
t
icr
t
scl
t
sch
t
sts
t
PHL
t
PLH
0.3 V´
CC
Stop
Condition
t
sps
Repeat
Start
Condition
Startor
Repeat
Start
Condition
SCL
SDA
Start
Condition
(S)
Address
Bit7
(MSB)
Data
Bit10
(LSB)
Stop
Condition
(P)
ThreeBytesforComplete
DeviceProgramming
SDA LOADCONFIGURATION
VOLTAGEWAVEFORMS
t
icf
Stop
Condition
(P)
t
sp
DUT
SDA
0.7 V´
CC
0.3 V´
CC
0.7 V´
CC
R/W
Bit0
(LSB)
ACK
(A)
Data
Bit07
(MSB)
Address
Bit1
Address
Bit6
BYTE DESCRIPTION
1 I Caddress
2
2,3 P-portdata
PCA9534
SCPS124G –SEPTEMBER 2006–REVISED JUNE 2010 www.ti.com
PARAMETER MEASUREMENT INFORMATION
A. C
L
includes probe and jig capacitance.
B. All inputs are supplied by generators having the following characteristics: PRR ≤ 10 MHz, Z
O
= 50 Ω, t
r
/t
f
≤ 30 ns.
C. All parameters and waveforms are not applicable to all devices.
Figure 10. I
2
C Interface Load Circuit and Voltage Waveforms
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