Datasheet

ADF4157 Data Sheet
Rev. D | Page 4 of 24
TIMING SPECIFICATIONS
AV
DD
= DV
DD
= 2.7 V to 3.3 V; V
P
= AV
DD
to 5.5 V; AGND = DGND = 0 V; T
A
= T
MIN
to T
MAX
, unless otherwise noted;
dBm referred to 50 Ω.
Table 2.
Parameter Limit at T
MIN
to T
MAX
(B Version) Unit Test Conditions/Comments
t
1
20 ns min LE setup time
t
2
10 ns min Data to clock setup time
t
3
10 ns min Data to clock hold time
t
4
25 ns min Clock high duration
t
5
25 ns min Clock low duration
t
6
10 ns min Clock to LE setup time
t
7
20 ns min LE pulse width
CLK
DATA
LE
LE
DB23 (MSB) DB22
DB2
(CONTROL BIT C3)
DB1
(CONTROL BIT C2)
DB0 (LSB)
(CONTROL BIT C1)
t
1
t
2
t
3
t
7
t
6
t
4
t
5
05874-002
Figure 2. Timing Diagram