Datasheet

A
A
A
A
S 0 1
0
0 10
AD
DR
1
Data1 1 PData2
Start
Condition
8Bits
(OneDataByte)
FromPort
DataFromPortSlave Address
R/W
87654321
Address Data1 Data2
INT
B
B
A
A
Pn
INT
R/W
A
INT
SCL
ViewB−BView A−A
ACK
FromSlave
ACK
FromSlave
INTERRUPTLOADCONFIGURATION
V
CCI
R =4.7k
L
W
C =100pF
(seeNote A)
L
DUT
INT
0.7 V´
CCI
0.5 V´
CCI
0.5 V´
CCI
0.5 V´
CCP
t
sps
t
ir
t
ir
t
iv
t
ir
Data
Into
Port
t
iv
TCA6424A
www.ti.com SCPS193B –JULY 2010–REVISED SEPTEMBER 2010
PARAMETER MEASUREMENT INFORMATION (continued)
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 11. Interrupt Load Circuit and Voltage Waveforms
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