Datasheet

ADF4156 Data Sheet
Rev. E | 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
, dBm referred to 50 Ω, unless otherwise noted.
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
Timing Diagram
CLO
CK
DAT
A
LE
LE
DB23 (MSB
) DB
2
2 DB2
t
1
t
2
t
3
t
7
t
6
t
4
t
5
DB0
(LS
B)
(
CON
TROL
BIT
C1)
DB1
( C
ON
T
ROL
BIT C
2)
05863-002
Figure 2. Timing Diagram