參數(shù)資料
型號: HD74CDC2510B
廠商: Hitachi,Ltd.
英文描述: 3.3-V Phase-lock Loop Clock Driver(3.3-V 鎖相環(huán)時鐘驅(qū)動器)
中文描述: 的3.3V鎖相環(huán)時鐘驅(qū)動器(3.3 V的鎖相環(huán)時鐘驅(qū)動器)
文件頁數(shù): 7/11頁
文件大?。?/td> 45K
代理商: HD74CDC2510B
HD74CDC2510B
7
Switching Characteristics
(C
L
= 30 pF, Ta = 0 to 85
°
C)
Item
Symbol
V
CC
= 3.3 V
±
0.3 V
Min
Typ
Unit
From (Input)
To (Output)
Max
Phase error time
t
pe
–150
150
ps
66 MHz <
CLKIN
100 MHz
FBIN
Between output pins skew
*1
t
sk (O)
200
ps
Any Y or FBOUT Any Y or
FBOUT
Cycle to cycle jitter
–100
100
ps
F (clkin =
100 MHz)
Any Y or
FBOUT
Duty cycle
45
55
%
F (clkin =
66 to 100 MHz)
Any Y or
FBOUT
Output rise / fall time
t
TLH
5.0
1.0
volts/ns
Any Y or
FBOUT
t
THL
5.0
1.0
Any Y or
FBOUT
Analog power supply
rejection
(DC to 10 MHz)
Notes:
Vapsr
*2
100
mV
P–P
AV
CC
The specifications for parameters in this table are applicable only after any appropriate
stabilization time has elapsed.
1. The t
sk(O)
specification is only valid for equal loading of all outputs.
2. This parameter is characterized but not tested.
Timing requirements
Item
Symbol Min
Max
Unit
Test Conditions
Input clock frequency
f
clock
50
125
MHz
Input clock duty cycle
40
60
%
Stabilization time
*1
Note:
1. Time required for the integrated PLL circuit to obtain phase lock of its feedback signal to its
reference signal. In order for phase lock to be obtained, a fixed-frequency, fixed-phase
reference signal must be present at CLK. Until phase lock is obtained, the specifications for
propagation delay and skew parameters given in the switching characteristics table are not
applicable.
1
ms
After power up
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