參數(shù)資料
型號: CY2412-1
廠商: Cypress Semiconductor Corp.
英文描述: MPEG Clock Generator with VCXO
中文描述: 的MPEG時鐘發(fā)生器,石英振蕩器
文件頁數(shù): 2/6頁
文件大小: 128K
代理商: CY2412-1
CY2412
Document #: 38-07227 Rev. *D
Page 2 of 6
Pin Summary
Note:
1. Crystals that meet this specification includes: Ecliptek ECX-5788-13.500M,Siward XTL001050A-13.5-14-400, Raltron A-13.500-14-CL,PDI HA13500XFSA14XC.
Pin Name
Pin Number
Pin Description
X
IN
V
DD
VCXO
V
SS
CLKA
CLKB
CLKC
X
OUT[2]
1
2
3
4
5
6
7
8
Reference Crystal Input
Voltage Supply
Input Analog Control for VCXO
Ground
54-MHz clock output
13.5-MHz clock output
27-MHz clock output
Reference Crystal Output
Pullable Crystal Specifications
[1]
Parameter
F
NOM
Description
Condition
Min.
Typ.
13.5
Max.
Unit
MHz
Nominal crystal frequency
Parallel resonance, funda-
mental mode, AT cut
C
LNOM
R
1
R
3
/R
1
Nominal load capacitance
Equivalent series resistance (ESR)
Ratio of third overtone mode ESR to funda-
mental mode ESR
3
14
25
pF
Fundamental mode
Ratio used because typical R
1
values are much less than the
maximum spec.
No external series resistor as-
sumed
High side
Low side
DL
Crystal drive level
0.5
2.0
mW
F
3SEPHI
F
3SEPLO
C
0
C
0/
C
1
C
1
Third overtone separation from 3*F
NOM
Third overtone separation from 3*F
NOM
Crystal shunt capacitance
Ratio of shunt to motional capacitance
Crystal motional capacitance
300
180
14.4
18
ppm
ppm
pF
–150
7
250
21.6
pF
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