PCS1P2860A [PULSECORE]
Multi-Output Clock Synthesizer; 多路输出时钟合成器
| 型号： | PCS1P2860A |
| 厂家： | 
PulseCore Semiconductor |
| 描述： | Multi-Output Clock Synthesizer |
| 文件： | 总7页 (文件大小：363K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
May 2007
rev 0.2
PCS1P2860A
Multi-Output Clock Synthesizer
Features
Product Description
• Generates multiple clock outputs from an inexpensive
25MHz crystal or external reference clock
• Frequency outputs:
The PCS1P2860A is
a
Precision multi-PLL based
frequency synthesizer. Six Clock outputs are generated
using an inexpensive 25MHz Crystal or external
reference clock. The outputs consist of 25MHz Refout,
127MHz and four 125MHz clocks. SHUTDOWNB signal
tri-states all the clocks when enabled. The device
operates from a Supply Voltage of 3.3V±5%V. The
device is available in a 16-pin TSSOP JEDEC package
for an Industrial temperature range.
•
•
•
25MHz Reference clock
125MHz
127MHz
• Zero ppm frequency synthesis error for all CLK outputs
• 3.3V ± 5%V Supply Voltage
• Low jitter design
• Packaged in 16 pin TSSOP
Application
• Industrial Temperature range
• Compatible with CY22393XC-MZ2
• Advanced low-power CMOS process
PCS1P2860A is targeted for use in high-end multimedia,
communications
and
consumer
applications.
Block Diagram
SHUTDOWNB
AVDD
VDD
4
125MHz
CLKIN/XIN
Crystal
PLL
Oscillator
XOUT
127MHz
25MHz
AGND
GND
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200, Campbell, CA 95008 • Tel: 408-879-9077 • Fax: 408-879-9018
www.pulsecoresemi.com
Notice: The information in this document is subject to change without notice.
May 2007
rev 0.2
PCS1P2860A
Pin Diagram
16
15
14
13
12
11
1
2
3
4
125MHz
SHUTDOWNB
NC
VDD
AGND
XIN
AVDD
NC
5
6
XOUT
NC
GND
125MHz
REFOUT
125MHz
7
8
10
9
125MHz
127MHz
Pin Description
Pin #
Pin Name
125MHz
VDD
Pin Type
Pin Description
1
2
3
Output
Power
Power
125MHz Clock Output
Connect to +3.3V
Connect to ground
AGND
Crystal connection or external reference frequency input. It can be connected
4
5
XIN
Input
to a 25MHz Fundamental mode crystal
Connection to crystal. If using an external reference clock, this pin must be
left unconnected
XOUT
Output
6
7
8
REFOUT
125MHz
125MHz
127MHz
125MHz
GND
NC
NC
AVDD
NC
Output
Output
Output
Output
Output
Power
25MHz Reference Clock output
125MHz Clock Output
125MHz Clock Output
127MHz Clock Output
125MHz Clock Output
Connect to ground
No connection
9
10
11
12
13
14
15
No connection
Connect to +3.3V
No connection
Power
Input
Output Enable bit. When this pin is made HIGH, all clocks are enabled.
Tri-states all clocks when this pin is LOW.
16
SHUTDOWNB
Multi-Output Clock Synthesizer
2 of 7
Notice: The information in this document is subject to change without notice.
May 2007
PCS1P2860A
rev 0.2
Absolute Maximum Ratings
Symbol
Parameter
Rating
-0.5 to +4.6
-0.5 to VDD+0.3
-65 to +150
260
Unit
VDD
VIN
TSTG
Ts
Power Supply Voltage relative to Ground
Input Voltage relative to Ground (Input Pins)
Storage temperature
Max. Soldering Temperature (10 sec)
Junction Temperature
V
°C
°C
°C
TJ
125
Static Discharge Voltage
(As per JEDEC STD22- A114-B)
TDV
2
KV
Note: These are stress ratings only and are not implied for functional use. Exposure to absolute maximum ratings for prolonged periods of time may affect
device reliability.
Operating Conditions
Parameter
VDD /AVDD Operating Voltage
Description
Min
3.135
-40
Typ
3.3
Max
3.465
+85
Unit
V
TA
CL
Operating Temperature (Ambient Temperature)
Load Capacitance
°C
15
pF
pF
CIN
Input Capacitance
5
DC Electrical Characteristics
Symbol Parameter
Conditions
Min
3.135
2.2
Typ
3.3
Max
Units
V
VDD /AVDD Operating Voltage
3.465
VDD+0.3
1.0
VIH
VIL
IIH
Input High Voltage
Input Low Voltage
Input HIGH current
Input LOW current
Output High Voltage
Output Low Voltage
Output Leakage Current
V
GND-0.3
V
VIN=VDD
30
µA
µA
V
IIL
VIN=GND
50
VOH
VOL
IOZ
VDD=3.135,IOH= -12mA
VDD=3.135, IOL= 12mA
Three-state outputs
2.4
0.4
10
V
µA
CLKIN and SHUTDOWNB
ICC
Static Current
5.5
mA
Pins pulled low
IDD
Dynamic Current
No Load, All Clocks on
35
30
mA
ZOUT
Nominal output impedance
Ω
Multi-Output Clock Synthesizer
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Notice: The information in this document is subject to change without notice.
May 2007
rev 0.2
PCS1P2860A
AC Electrical Characteristics
Symbol
Parameter
Min
Typ
Max Unit
CLKIN/XIN
Input Frequency
25
MHz
Pin 6
25
CLK OUT
Output Frequency
Pin 1,7,8,10
Pin 9
125
127
MHz
tLH
1
1
Rising edge slew rate (Measured from 20% to 80%)
Falling edge slew rate (Measured from 80% to 20%)
Peak-to-peak Period Jitter @ VDD/2
Synthesis Error (Output Frequency)
Output Duty Cycle @ VDD/2
1.1
1.3
1.7
2
V/nS
V/nS
pS
tHL
TPJ
1
300
0
ppm
tD1
45
50
55
3
%
tLOCK
PLL Lock Time from Power-Up
mS
NOTE: 1CL= 15 pF for outputs < 100 MHz; CL= 10pF for outputs > 100 MHz;
Typical Crystal Oscillator Circuit
R1 = 510Ω
C1 = 27 pF
C2 = 27 pF
Typical Crystal Specifications
Fundamental AT cut parallel resonant crystal
Nominal frequency
25MHz
Frequency tolerance
Operating temperature range
Storage temperature
± 50 ppm or better at 25°C
-25°C to +85°C
-40°C to +85°C
18pF
Load capacitance
Shunt capacitance
ESR
7pF maximum
25ꢀ
Multi-Output Clock Synthesizer
4 of 7
Notice: The information in this document is subject to change without notice.
May 2007
PCS1P2860A
rev 0.2
Package Information
16-lead Thin Shrunk Small Outline Package (4.40-MM Body)
1
8
PIN 1 ID
E
H
9
16
A
Seating Plane
C
θ
A2
A1
e
B
L
D
Dimensions
Max
Symbol
Inches
Millimeters
Min
Min
Max
A
A1
A2
B
0.043
0.006
0.041
0.012
0.008
0.201
0.177
1.20
0.15
1.05
0.30
0.20
5.10
4.50
0.002
0.031
0.007
0.004
0.193
0.169
0.05
0.80
0.19
0.09
4.90
4.30
C
D
E
e
0.026 BSC
0.252 BSC
0.65 BSC
6.40 BSC
H
L
0.020
0°
0.030
8°
0.50
0°
0.75
8°
θ
Multi-Output Clock Synthesizer
5 of 7
Notice: The information in this document is subject to change without notice.
May 2007
PCS1P2860A
rev 0.2
Ordering Information
Marking
1P2860AG
1P2860AG
1I2860AG
1I2860AG
Part Number
PCS1P2860AG-16TR
PCS1P2860AG-16TT
PCS1I2860AG-16TR
PCS1I2860AG-16TT
Package
16-Pin TSSOP, TAPE & REEL, Green
16-Pin TSSOP, TUBE, Green
16-Pin TSSOP, TAPE & REEL, Green
16-Pin TSSOP, TUBE, Green
Temperature
Commercial
Commercial
Industrial
Industrial
Device Ordering Information
P C S 1 P 2 8 6 0 A G - 1 6 - T R
R = Tape & Reel, T = Tube or Tray
O = TSOT23
S = SOIC
U = MSOP
E = TQFP
L = LQFP
U = MSOP
P = PDIP
J=TSOT26
T = TSSOP
A = SSOP
V = TVSOP
B = BGA
D = QSOP
X = SC-70
Q = QFN
DEVICE PIN COUNT
G = GREEN PACKAGE, LEAD FREE, and RoHS
PART NUMBER
X= Automotive
I= Industrial
P or n/c = Commercial
(0C to +70C)
(-40C to +125C) (-40C to +85C)
1 = Reserved
6 = Power Management
7 = Power Management
8 = Power Management
9 = Hi Performance
2 = Non PLL based
3 = EMI Reduction
4 = DDR support products
PulseCore Semiconductor Mixed Signal Product
Licensed under US patent Nos 5,488,627 and 5,631,920.
Multi-Output Clock Synthesizer
6 of 7
Notice: The information in this document is subject to change without notice.
May 2007
rev 0.2
PCS1P2860A
Copyright © PulseCore Semiconductor
All Rights Reserved
PulseCore Semiconductor Corporation
1715 S. Bascom Ave Suite 200
Campbell, CA 95008
Part Numbers: PCS1P2860A
Document Version: 0.2
Tel: 408-879-9077
Fax: 408-879-9018
www.pulsecoresemi.com
Note: This product utilizes US Patent # 6,646,463 Impedance Emulator Patent issued to PulseCore semiconductor, dated 11-11-2003
© Copyright 2006 PulseCore Semiconductor Corporation. All rights reserved. Our logo and name are trademarks or
registered trademarks of PulseCore Semiconductor. All other brand and product names may be the trademarks of their
respective companies. PulseCore reserves the right to make changes to this document and its products at any time without
notice. PulseCore assumes no responsibility for any errors that may appear in this document. The data contained herein
represents PulseCore’s best data and/or estimates at the time of issuance. PulseCore reserves the right to change or correct
this data at any time, without notice. If the product described herein is under development, significant changes to these
specifications are possible. The information in this product data sheet is intended to be general descriptive information for
potential customers and users, and is not intended to operate as, or provide, any guarantee or warrantee to any user or
customer. PulseCore does not assume any responsibility or liability arising out of the application or use of any product
described herein, and disclaims any express or implied warranties related to the sale and/or use of PulseCore products
including liability or warranties related to fitness for a particular purpose, merchantability, or infringement of any intellectual
property rights, except as express agreed to in PulseCore’s Terms and Conditions of Sale (which are available from
PulseCore). All sales of PulseCore products are made exclusively according to PulseCore’s Terms and Conditions of Sale.
The purchase of products from PulseCore does not convey a license under any patent rights, copyrights; mask works rights,
trademarks, or any other intellectual property rights of PulseCore or third parties. PulseCore does not authorize its products
for use as critical components in life-supporting systems where a malfunction or failure may reasonably be expected to result
in significant injury to the user, and the inclusion of PulseCore products in such life-supporting systems implies that the
manufacturer assumes all risk of such use and agrees to indemnify PulseCore against all claims arising from such use.
Multi-Output Clock Synthesizer
7 of 7
Notice: The information in this document is subject to change without notice.
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