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參數(shù)資料
| 型號： | CY22392ZC |
| 廠商： | Cypress Semiconductor Corp. |
| 英文描述： | Three-PLL General Purpose FLASH Programmable Clock Generator |
| 中文描述： | 三鎖相環(huán)通用閃存可編程時(shí)鐘發(fā)生器 |
| 文件頁數(shù)： | 4/8頁 |
| 文件大?。?/td> | 157K |
| 代理商： | CY22392ZC |
CY22392
Document #: 38-07013 Rev. *D
Page 4 of 8
Improving Jitter
Jitter Optimization Control is useful in mitigating problems
related to similar clocks switching at the same moment,
causing excess jitter. If one PLL is driving more than one
output, the negative phase of the PLL can be selected for one
of the outputs (CLKA–CLKD). This prevents the output edges
from aligning, allowing superior jitter performance.
Power Supply Sequencing
For parts with multiple V
DD
pins, there are no power supply
sequencing requirements. The part will not be fully operational
until all V
DD
pins have been brought up to the voltages
specified in the “Operating Conditions” table.
All grounds should be connected to the same ground plane.
CyClocksRT Software
CyClocksRT is our second-generation application that allows
users to configure this device. The easy-to-use interface offers
complete control of the many features of this family including
input frequency, PLL and output frequencies, and different
functional options. Data sheet frequency range limitations are
checked and performance tuning is automatically applied.
CyClocksRT also has a power estimation feature that allows
you to see the power consumption of your specific configu-
ration. You can download a copy of CyClocksRT for free on
Cypress’s web site at www.cypress.com.
Junction Temperature Limitations
It is possible to program the CY22392 such that the maximum
Junction Temperature rating is exceeded. The package
θ
JA
is
115 C/W. Use the CyClocksRT power estimation feature to
verify that the programmed configuration meets the Junction
Temperature and Package Power Dissipation maximum
ratings.
Maximum Ratings
(Above which the useful life may be impaired. For user guide-
lines, not tested.)
Supply Voltage ...............................................–0.5V to +7.0V
DC Input Voltage ............................–0.5V to + (AV
DD
+ 0.5V)
Storage Temperature ................................. –65
°
C to +125
°
C
Junction Temperature...................................................125
°
C
Data Retention @ Tj = 125
°
C.................................>10 years
Maximum Programming Cycles .......................................100
Package Power Dissipation...................................... 350 mW
Static Discharge Voltage
(per MIL-STD-883, Method 3015) ..........................................
2000V
Latch up (per JEDEC 17) .................................... > ±200 mA
Operating Conditions
[1]
Parameter
Description
Min.
Typ.
Max.
Unit
V
DD
/AV
DD
T
A
Supply Voltage
3.135
3.3
3.465
V
°
C
°
C
Commercial Operating Temperature, Ambient
0
–
+70
Industrial Operating Temperature, Ambient
–40
–
+85
C
LOAD_OUT
f
REF
Max. Load Capacitance
–
–
15
pF
External Reference Crystal
External Reference Clock
[2]
, Commercial
External Reference Clock
[2]
, Industrial
8
–
30
MHz
1
–
166
MHz
1
–
150
MHz
t
PU
Power-up time for all VDD's to reach minimum specified voltage
(power ramps must be monotonic)
0.05
–
500
ms
Notes:
1. Unless otherwise noted, Electrical and Switching Characteristics are guaranteed across these operating conditions.
2. External input reference clock must have a duty cycle between 40% and 60%, measured at V
DD
/2.
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相關(guān)代理商/技術(shù)參數(shù) |
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|---|---|
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| CY22392ZC-338 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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| CY22392ZC-347 | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
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