AD9551
LOGIC INPUT PINS
Table 6.
Parameter
INPUT CHARACTERISTICS1
Min
Typ
Max
Unit
Test Conditions/Comments
Logic 1 Voltage, VIH
1.0
V
For the CMOS inputs, a static Logic 1 results
from either a pull-up resistor or no connection
Logic 0 Voltage, VIL
Logic 1 Current, IIH
Logic 0 Current, IIL
0.8
3
17
V
μA
μA
1 The A[3:0], B[3:0], Y[3:0], and OUTSEL pins have 100 kΩ internal pull-up resistors.
RESET PIN
Table 7.
Parameter
Min
Typ
Max
Unit
INPUT CHARACTERISTICS1
Input Voltage High, VIH
Input Voltage Low, VIL
Input Current High, IINH
Input Current Low, IINL
MINIMUM PULSE WIDTH HIGH
1.8
V
V
μA
μA
ns
1.3
12.5
43
0.3
31
2
1 The RESET pin has a 100 kΩ internal pull-up resistor, so the default state of the device is reset.
LOGIC OUTPUT PINS
Table 8.
Parameter
Min
Typ
Max
Unit
OUTPUT CHARACTERISTICS
Output Voltage High, VOH
Output Voltage Low, VOL
2.7
V
V
0.4
SERIAL CONTROL PORT
Table 9.
Parameter
Min
Typ
Max
Unit
Test Conditions/Comments
CS
Input Logic 1 Voltage
Input Logic 0 Voltage
Input Logic 1 Current
Input Logic 0 Current
Input Capacitance
SCLK
1.6
V
V
μA
μA
pF
0.5
0.03
2
2
Input Logic 1 Voltage
Input Logic 0 Voltage
Input Logic 1 Current
Input Logic 0 Current
Input Capacitance
SDIO
Input
Input Logic 1 Voltage
Input Logic 0 Voltage
1.6
1.6
V
V
μA
μA
pF
0.5
2
2
0.03
V
V
0.5
Rev. B | Page 6 of 40