Datasheet

SCL
SDA
SDA LOADCONFIGURATION
1
2,3
V
CC
R =1k
L
W
C =50pF
(seeNote A)
L
DUT
SDA
ThreeBytesforComplete
DeviceProgramming
Stop
Condition
(P)
Start
Condition
(S)
Address
Bit7
(MSB)
Address
Bit6
Address
Bit1
R/
Bit0
(LSB)
W
ACK
(A)
Data
Bit7
(MSB)
Data
Bit0
(LSB)
Stop
Condition
(P)
0.7 V´
CC
0.3 V´
CC
VOLTAGEWAVEFORMS
Startor
RepeatStart
Condition
RepeatStart
Condition
Stop
Condition
BYTE
DESCRIPTION
I Caddress
2
P-portdata
0.7 V´
CC
0.3 V´
CC
t
scl
t
sch
t
buf
t
icf
t
icf
t
icr
t
sth
t
icr
t
sds
t
sp
t
sdh
t
vd(ack)
t
vdH(Data)
t
sts
t
sps
t
vdL(Data)
9
TCA9548A
www.ti.com SCPS207F –MAY 2012–REVISED NOVEMBER 2016
Product Folder Links: TCA9548A
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7 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. Not all parameters and waveforms are applicable to all devices.
Figure 5. I
2
C Load Circuit and Voltage Waveforms