参数资料
型号: HD74CDC587
厂商: Hitachi,Ltd.
英文描述: 3.3-V Phase-lock Loop Clock Driver with 3-state Outputs(3.3-V 锁相环时钟驱动器)
中文描述: 3.3 - V相位锁3环路时钟驱动器状态输出(3.3 V的锁相环时钟驱动器)
文件页数: 11/13页
文件大小: 79K
代理商: HD74CDC587
HD74CDC587
11
Test Circuit
(SSTL_3)
C = 30 pF
25
Measurement
point
From output
V
TT
*1
25
Note:
1.
C
L
includes probe and jig capacitance.
Waveforms
phase error
t
V
OH
V
OL
1.1 V
1.9 V
1.5 V
1.5 V
0.8 V
2 V
2 V
0.8 V
1.5 V
TLH
t
THL
t
CLK
FBIN
(=FBOUT)
Notes:
1.
All input pulses are supplied by generators having the following characteristics: PRR
150
MHz, Z
O
= 50
, tr = 0.7 ns, tf = 0.7 ns.
The outputs are measured one at a time with one transition per measurement.
V
TT
= V
REF
= 1.5 V
2.
3.
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