ad7879-1acbz-rl Analog Devices, Inc., ad7879-1acbz-rl Datasheet - Page 5

• Manufacturer Part Number: ad7879-1acbz-rl
• Description: Low Voltage Controller For Touch Screens
• Manufacturer: Analog Devices, Inc.

I
T
timed from a voltage level of 1.4 V.
Table 3.
Parameter
f
t
t
t
t
t
t
t
t
t
t
1
SCLK
2
1
2
3
4
5
6
7
8
R
F
Guaranteed by design, not production tested.
A
C TIMING SPECIFICATIONS (AD7879-1)
= −40°C to +85°C; V
SDA
1
SCL
STOP START
t
8
Limit
400
0.6
1.3
0.6
100
300
0.6
0.6
1.3
300
300
CC
= 1.6 V to 3.6 V, unless otherwise noted. Sample tested at 25°C to ensure compliance. All input signals are
t
t
1
2
Unit
kHz max
μs min
μs min
μs min
ns min
ns min
μs min
μs min
μs min
ns max
ns max
t
5
t
R
Figure 3. Detailed I
Description
Start condition hold time, t
Clock low period, t
Clock high period, t
Data setup time, t
Data hold time, t
Stop condition setup time, t
Start condition setup time, t
Bus free time between stop and start conditions, t
Clock/data rise time
Clock/data fall time
t
F
t
3
Rev. 0 | Page 5 of 36
t
4
2
C Timing Diagram
HD; DAT
SU; DAT
LOW
HIGH
START
HD; STA
SU; STO
SU; STA
t
7
t
1
BUF
t
6
STOP
AD7879