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5V40512DVGI

型号：

5V40512DVGI

品牌：

IDT[ INTEGRATED DEVICE TECHNOLOGY ]

页数：

9 页

PDF大小：

213 K

下载PDF手册
DATASHEET  
LOCO™ PLL CLOCK MULTIPLIER  
IDT5V40512  
Description  
Features  
The IDT5V40512 is the most cost effective way to generate  
a high-quality, high frequency clock output and a reference  
clock from a lower frequency crystal or clock input. The  
name LOCO stands for Low Cost Oscillator, as it is  
designed to replace crystal oscillators in most electronic  
systems. Using Phase-Locked-Loop (PLL) techniques, the  
device uses a standard fundamental mode, inexpensive  
crystal to produce output clocks up to 133.3 MHz. With a  
reference output, this chip plus an inexpensive crystal can  
replace two oscillators  
• Packaged as 8-pin SOIC or MSOP  
• Available in Pb (lead ) free package  
• Upgrade of popular ICS502 with zero ppm multiplication  
error  
• Easy to cascade with other 5xx series  
• Input crystal frequency of 5 - 27 MHz  
• Input clock frequency of 2 - 50 MHz  
• Output clock frequencies up to 133.3 MHz  
• Compatible with all popular CPUs  
• Duty cycle of 45/55 up to 133.3 MHz  
• Mask option for nine selectable frequencies  
• Operating voltage of 3.0 V  
Stored in the chip’s ROM is the ability to generate nine  
different multiplication factors, allowing one chip to output  
many common frequencies (see table on page 2).  
This product is intended for clock generation. It has low  
output jitter (variation in the output period), but input to  
output skew and jitter are not defined or guaranteed. For  
applications which require defined input to output skew, use  
the ICS570B.  
• Industrial temperature version  
• Advanced, low power CMOS process  
Block Diagram  
VDD  
PLL Clock  
Synthesis  
and Control  
Circuitry  
CLK  
REF  
2
S1, S0  
X1/ICLK  
Crystal or  
Clock input  
Crystal  
Oscillator  
X2  
Optional crystal  
capacitors  
GND  
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
1
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
Pin Assignment  
Clock Output Table  
S1  
S0  
CLK  
X1/ICLK  
VDD  
8
7
6
5
1
2
3
4
X2  
0
0
0
M
1
4X input  
5.333X input  
5X input  
S1  
GND  
S0  
0
M
M
M
1
0
2.5X input  
2X input  
REF  
CLK  
M
1
8-pin SOIC or MSOP  
3.333X input  
6X input  
0
1
M
1
3X input  
1
8X input  
0 = connect directly to ground  
1 = connect directly to VDD  
M = leave unconnected (floating)  
Common Output Frequencies Example (MHz)  
Output  
Input  
20  
10  
24  
12  
30  
10  
32  
16  
33.33  
16.66  
M,M  
37.5  
15  
40  
10  
48  
12  
50  
20  
60  
10  
Selection (S1, S0)  
M,M  
M,M  
1, M  
M,M  
M,0  
0,0  
0,0  
M,0  
1,0  
Output  
Input  
66.66  
20  
72  
12  
75  
25  
80  
10  
83.33  
25  
90  
15  
100  
20  
120  
15  
125  
25  
133.3  
25  
Selection (S1, S0)  
M,1  
1,0  
1,M  
1,1  
M,1  
1,0  
0,1  
1,1  
0,1  
0,M  
Note that all of the above are achieved using a common, inexpensive 10 MHz to 25 MHz crystal. Consult IDT on  
how to achieve other output frequncies.  
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
2
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
Pin Descriptions  
Pin  
Pin  
Pin Type  
Pin Description  
Number Name  
1
2
3
4
5
6
7
8
XI/ICLK  
VDD  
GND  
NC  
Input  
Power  
Power  
REF  
Crystal connection or clock input.  
Connect to +3.3 V.  
Connect to ground.  
Buffered crystal oscillator output clock.  
Clock output per table above.  
CLK  
S0  
Output  
Tri-level Input Mulitplier select pin 0. Connect to GND or VDD or float.  
Tri-level Input Mulitplier select pin 1. Connect to GND or VDD or float.  
S1  
X2  
Output  
Crystal connection. Leave unconnected for clock input.  
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
3
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
Crystal Load Capacitors  
External Components  
The device crystal connections should include pads for  
small capacitors from X1 to ground and from X2 to ground.  
These capacitors are used to adjust the stray capacitance of  
the board to match the nominally required crystal load  
capacitance. Because load capacitance can only be  
increased in this trimming process, it is important to keep  
stray capacitance to a minimum by using very short PCB  
traces (and no vias) between the crystal and device. Crystal  
capacitors, if needed, must be connected from each of the  
pins X1 and X2 to ground.  
Decoupling Capacitor  
As with any high-performance mixed-signal IC, the  
IDT5V40512 must be isolated from system power supply  
noise to perform optimally.  
A decoupling capacitor of 0.01µF must be connected  
between VDD and GND. It must be connected close to the  
IDT5V40512 to minimize lead inductance. No external  
power supply filtering is required for the IDT5V40512.  
Series Termination Resistor  
The value (in pF) of these crystal caps should equal (C -12  
L
pF)*2. In this equation, C = crystal load capacitance in pF.  
Example: For a crystal with a 16 pF load capacitance, each  
crystal capacitor would be 8 pF [(16-12) x 2 = 8].  
A 33Ωterminating resistor can be used next to the CLK pin.  
The total on-chip capacitance is approximately 12 pF. A  
parallel resonant, fundamental mode crystal should be  
used.  
L
Absolute Maximum Ratings  
Stresses above the ratings listed below can cause permanent damage to the IDT5V40512. These ratings, which  
are standard values for IDT commercially rated parts, are stress ratings only. Functional operation of the device at  
these or any other conditions above those indicated in the operational sections of the specifications is not implied.  
Exposure to absolute maximum rating conditions for extended periods can affect product reliability. Electrical  
parameters are guaranteed only over the recommended operating temperature range.  
Item  
Rating  
Supply Voltage, VDD  
All Inputs and Outputs  
7 V  
-0.5 V to VDD+0.5 V  
-40 to +85° C  
-65 to +150° C  
260°C  
Ambient Operating Temperature (industrial)  
Storage Temperature  
Soldering Temperature  
Recommended Operation Conditions  
Parameter  
Min.  
Typ.  
Max.  
+85  
Units  
° C  
Ambient Operating Temperature (industrial)  
Power Supply Voltage (measured in respect to GND)  
-40  
+3.0  
+3.3  
+3.6  
V
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
4
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
DC Electrical Characteristics  
VDD=3.3 V 5% , Ambient temperature -40 to +85° C, unless stated otherwise  
Parameter  
Symbol  
Conditions  
Min.  
Typ.  
Max.  
Units  
Operating Voltage  
VDD  
3.0  
3.3  
3.6  
V
V
Input High Voltage, ICLK only  
Input Low Voltage, ICLK only  
Input High Voltage  
V
ICLK (pin 1)  
ICLK (pin 1)  
S0, S1  
(VDD/2)+1 VDD/2  
IH  
V
VDD/2 (VDD/2)-1  
VDD+0.3  
V
IL  
V
VDD-0.5  
-0.3  
V
IH  
Input Low Voltage  
V
S0, S1  
0.5  
V
IL  
Output High Voltage, CMOS high  
Output High Voltage  
V
V
I
I
I
= -8 mA  
= -12 mA  
= 12 mA  
VDD-0.4  
2.4  
V
OH  
OH  
OH  
OH  
OL  
V
Output Low Voltage  
V
0.4  
V
OL  
IDD Operating Supply Current,  
20 MHz crystal  
No load, 100 MHz  
20  
mA  
Short Circuit Current  
CLK output  
Pins 6, 7  
+70  
4
mA  
pF  
Input Capacitance, S1, S0  
AC Electrical Characteristics  
VDD=3.3 V 5%, Ambient Temperature -40 to +85° C, unless stated otherwise  
Parameter  
Input Frequency, crystal input  
Input Frequency, clock input  
Output Frequency, VDD = 3.0 to 3.6 V  
Output Clock Rise Time  
Symbol  
Conditions  
Min.  
5
Typ.  
Max. Units  
F
F
27  
50  
MHz  
MHz  
MHz  
ns  
IN  
IN  
2
F
-40 to +85°C  
14  
133.3  
OUT  
t
0.8 to 2.0 V  
2.0 to 8.0V  
at VDD/2  
1
OR  
Output Clock Fall Time  
t
1
ns  
OF  
Output Clock Duty Cycle  
t
45  
49-51  
+200  
55  
%
OD  
Absolute Clock Period Jitter  
t
t
Deviation from  
mean  
ps  
ja  
One Sigma Clock Period Jitter  
80  
ps  
js  
Note: The phase relationship between intput and output clocks can change at power up. For a fixed phase  
relationship, see the ICS570 or the ICS527.  
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
5
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
Thermal Characteristics (8MSOP)  
Parameter  
Symbol  
Conditions  
Min.  
Min.  
Typ. Max. Units  
Thermal Resistance Junction to  
Ambient  
θ
θ
θ
θ
Still air  
78  
70  
68  
37  
° C/W  
° C/W  
° C/W  
° C/W  
JA  
JA  
JA  
JC  
1 m/s air flow  
3 m/s air flow  
Thermal Resistance Junction to Case  
Thermal Characteristics (8SOIC)  
Parameter  
Symbol  
Conditions  
Still air  
Typ. Max. Units  
Thermal Resistance Junction to  
Ambient  
θ
150  
140  
120  
40  
° C/W  
° C/W  
° C/W  
° C/W  
° C/W  
JA  
θ
1 m/s air flow  
3 m/s air flow  
JA  
θ
JA  
Thermal Resistance Junction to Case  
θ
JC  
Thermal Resistance Junction to Top  
of Case  
Ψ
Still air  
20  
JT  
Marking Diagram (MSOP)  
Marking Diagram (SOIC)  
8
5
12GI  
YWW$  
IDT5V40  
512DCGI  
#YYWW$  
1
4
Notes:  
1. “Z” is the device step (1 to 2 characters).  
2. YYWW is the last two digits of the year and week that the part was assembled.  
3. “$” is the assembly mark code.  
4. “G” after the two-letter package code designates RoHS compliant package.  
5. “I” at the end of part number indicates industrial temperature range.  
6. Bottom marking: country of origin if not USA.  
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
6
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
Package Outline and Package Dimensions (8-pin MSOP, 3.00 mm Body)  
Package dimensions are kept current with JEDEC Publication No. 95  
Millimeters  
Min Max  
Inches*  
8
Symbol  
Min  
Max  
A
A1  
A2  
b
--  
1.10  
0.15  
0.97  
0.38  
0.23  
--  
0.043  
0.006  
0.038  
0.015  
0.009  
0
0
0.79  
0.22  
0.08  
0.031  
0.008  
0.003  
E1  
E
INDEX  
AREA  
C
D
E
3.00 BASIC  
4.90 BASIC  
3.00 BASIC  
0.65 Basic  
0.118 BASIC  
0.193 BASIC  
0.118 BASIC  
0.0256 Basic  
E1  
e
1
2
L
0.40  
0.80  
0.016  
0.032  
D
α
0°  
8°  
0°  
8°  
aaa  
-
0.10  
-
0.004  
*For reference only. Controlling dimensions in mm.  
A
2
A
A
1
c
- C -  
e
SEATING  
PLANE  
b
L
aaa  
C
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
7
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
Package Outline and Package Dimensions (8-pin SOIC, 150 Mil. Narrow Body)  
Package dimensions are kept current with JEDEC Publication No. 95  
Millimeters  
Inches*  
8
Symbol  
Min  
Max  
1.75  
0.25  
0.51  
0.25  
5.00  
4.00  
Min  
Max  
A
A1  
B
C
D
E
e
1.35  
0.10  
0.33  
0.19  
4.80  
3.80  
.0532  
.0040  
.013  
.0075  
.1890  
.1497  
.0688  
.0098  
.020  
.0098  
.1968  
.1574  
E
H
INDEX  
AREA  
1.27 BASIC  
0.050 BASIC  
1
2
H
h
L
5.80  
0.25  
0.40  
0°  
6.20  
0.50  
1.27  
8°  
.2284  
.010  
.016  
0°  
.2440  
.020  
.050  
8°  
D
α
*For reference only. Controlling dimensions in mm.  
A
h x 45  
A1  
C
- C -  
e
SEATING  
PLANE  
B
L
.10 (.004)  
C
Ordering Information  
Part / Order Number  
5V40512DCGI  
Marking  
See page 6  
Shipping packaging  
Tubes  
Package  
8-pin SOIC  
8-pin SOIC  
8-pin MSOP  
8-pin MSOP  
Temperature  
-40 to +85° C  
-40 to +85° C  
-40 to +85° C  
-40 to +85° C  
5V40512DCGI8  
5V40512DVGI  
5V40512DVGI8  
Tape and Reel  
Tubes  
Tape and Reel  
Parts ordered with a "G" after the two-letter package code are the Pb-Free configuration and are RoHS compliant.  
While the information presented herein has been checked for both accuracy and reliability, Integrated Device Technology (IDT) assumes  
no responsibility for either its use or for the infringement of any patents or other rights of third parties, which would result from its use. No  
other circuits, patents, or licenses are implied. This product is intended for use in normal commercial applications. Any other applications  
such as those requiring extended temperature range, high reliability, or other extraordinary environmental requirements are not  
recommended without additional processing by IDT. IDT reserves the right to change any circuitry or specifications without notice. IDT  
does not authorize or warrant any IDT product for use in life support devices or critical medical instruments.  
IDT™ LOCO™ PLL CLOCK MULTIPLIER  
8
IDT5V40512  
REV D 51309  
IDT5V40512  
LOCO™ PLL CLOCK MULTIPLIER  
CLOCK MULTIPLIER  
Innovate with IDT and accelerate your future networks. Contact:  
www.IDT.com  
For Sales  
800-345-7015  
For Tech Support  
www.idt.com/go/clockhelp  
408-284-8200  
Fax: 408-284-2775  
Corporate Headquarters  
Integrated Device Technology, Inc.  
www.idt.com  
© 2006 Integrated Device Technology, Inc. All rights reserved. Product specifications subject to change without notice. IDT and the IDT logo are trademarks of Integrated Device  
Technology, Inc. Accelerated Thinking is a service mark of Integrated Device Technology, Inc. All other brands, product names and marks are or may be trademarks or registered  
trademarks used to identify products or services of their respective owners.  
Printed in USA  
厂商 型号 描述 页数 下载

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