參數(shù)資料
型號: ADF4251BCP-REEL
廠商: ANALOG DEVICES INC
元件分類: XO, clock
英文描述: Dual Fractional-N/Integer-N Frequency Synthesizer
中文描述: PLL FREQUENCY SYNTHESIZER, 3000 MHz, QCC24
封裝: 4 X 4 MM, MO-200-VGGD2, LFCSP-24
文件頁數(shù): 3/28頁
文件大小: 387K
代理商: ADF4251BCP-REEL
REV. 0
ADF4251
–3–
TIMING CHARACTERISTICS
*
Limit at
T
MIN
to T
MAX
(B Version)
Parameter
Unit
Test Conditions/Comments
t
1
t
2
t
3
t
4
t
5
t
6
t
7
10
10
10
25
25
10
20
ns min
ns min
ns min
ns min
ns min
ns min
ns min
LE Setup Time
DATA to CLOCK Setup Time
DATA to CLOCK Hold Time
CLOCK High Duration
CLOCK Low Duration
CLOCK to LE Setup Time
LE Pulsewidth
*
Guaranteed by design but not production tested.
(V
DD
1 = V
DD
2 = V
DD
3 = DV
DD
= 3 V 10%, V
P
1 = V
P
2 =5 V 10%, GND = 0 V, unless otherwise noted.)
t
6
DB1
(CONTROL BIT C2)
t
3
t
4
t
5
DB2
t
2
t
1
t
7
CLOCK
DB23
(MSB)
DB22
DATA
LE
LE
DB0 (LSB)
(CONTROL BIT C1)
Figure 1. Timing Diagram
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