ad7879-1acbz-rl Analog Devices, Inc., ad7879-1acbz-rl Datasheet - Page 4

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

AD7879
SPI TIMING SPECIFICATIONS (AD7879)
T
specified with t
Table 2.
Parameter
f
t
t
t
t
t
t
t
t
1
SCLK
1
2
3
4
5
6
7
8
Guaranteed by design, not production tested.
A
= −40°C to +85°C; V
1
DOUT
SCL
DIN
R
CS
= t
F
= 5 ns (10% to 90% of V
Limit at T
5
5
20
20
15
15
20
16
15
CC
= 1.6 V to 3.6 V, unless otherwise noted. Sample tested at 25°C to ensure compliance. All input signals are
t
1
MIN
, T
t
4
MSB
MAX
t
t
1
2
5
CC
2
) and timed from a voltage level of 1.4 V.
t
3
3
Figure 2. Detailed SPI Timing Diagram
Unit
MHz max
ns min
ns min
ns min
ns min
ns min
ns max
ns max
ns min
Rev. 0 | Page 4 of 36
15
Description
CS falling edge to first SCL falling edge
SCL high pulse width
SCL low pulse width
DIN setup time
DIN hold time
DOUT access time after SCL falling edge
CS rising edge to DOUT high impedance
SCL rising edge to CS high
LSB
16
MSB
1
t
6
2
15
LSB
16
t
8
t
7