Datasheet

ADF4350
Rev. A | Page 5 of 32
TIMING CHARACTERISTICS
AV
DD
= DV
DD
= V
VCO
= SDV
DD
= V
P
= 3.3 V ± 10%; AGND = DGND = 0 V; 1.8 V and 3 V logic levels used; T
A
= T
MIN
to T
MAX
, unless
otherwise noted.
Table 2.
Parameter Limit (B Version) Unit Test Conditions/Comments
t
1
20 ns min LE setup time
t
2
10 ns min DATA to CLK setup time
t
3
10 ns min DATA to CLK hold time
t
4
25 ns min CLK high duration
t
5
25 ns min CLK low duration
t
6
10 ns min CLK to LE setup time
t
7
20 ns min LE pulse width
CLK
DATA
LE
LE
DB31 (MSB) DB30
DB1
(CONTROL BIT C2)
DB2
(CONTROL BIT C3)
DB0 (LSB)
(CONTROL BIT C1)
t
1
t
2
t
3
t
7
t
6
t
4
t
5
07325-002
Figure 2. Timing Diagram