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5V2305PGGI8

型号：

5V2305PGGI8

描述：

2.5V至3.3V的高性能时钟缓冲器[ 2.5V TO 3.3V HIGH PERFORMANCE CLOCK BUFFER ]

品牌：

IDT[ INTEGRATED DEVICE TECHNOLOGY ]

页数：

10 页

PDF大小：

67 K

下载PDF手册
IDT5V2305  
2.5V TO 3.3V HIGH  
PERFORMANCE CLOCK  
BUFFER  
FEATURES:  
DESCRIPTION:  
• High performance 1:5 clock driver for general purpose applica-  
tions  
The IDT5V2305 is a high performance, low skew clock buffer that  
operatesupto200MHz. Onebankoffiveoutputsprovideslowskewcopies  
of CLK. Through the use of control pin G, the outputs of bank Y(0:4) can  
be placed in a low state regardless of CLK input. The device operates in  
2.5Vand3.3Venvironments. Thebuilt-inoutputenableglitchsuppression  
ensures a synchronized output enable sequence to distribute full period  
clocksignals.  
• Operates up to 170MHz at VDD = 2.5V  
• Operates up to 200MHz at VDD = 3.3V  
• Pin-to-pin skew < 75ps at 3.3V operation  
• VDD range: 2.3V to 3.6V  
• Output enable glitch suppression  
• Available in TSSOP and VFQFPN packages  
The IDT5V2305 is characterized for operation from -40°C to +85°C.  
FUNCTIONALBLOCKDIAGRAM  
3
Y0  
9
Control Logic  
G
5
Y1  
16  
CLK  
6
Y2  
11  
Y3  
13  
Y4  
TheIDTlogoisaregisteredtrademarkofIntegratedDeviceTechnology,Inc.  
INDUSTRIAL TEMPERATURE RANGE  
MAY 2010  
1
c
2010 Integrated Device Technology, Inc.  
DSC 6177/20  
IDT5V2305  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
INDUSTRIALTEMPERATURERANGE  
PINCONFIGURATION  
CLK  
1
VDD  
GND  
VDD  
Y0  
1
2
3
4
5
6
7
8
16  
15  
14  
13  
12  
11  
10  
9
CLK  
VDD  
VDD  
Y4  
16  
15  
14  
13  
12  
11  
10  
VDD  
2
3
4
VDD  
Y0  
NC  
Y4  
GND  
NC  
Y1  
GND  
GND  
Y3  
NC  
Y3  
5
6
7
Y1  
Y2  
Y2  
VDD  
NC  
VDD  
VDD  
G
8
9
GND  
G
VDD  
TSSOP  
VFQFPN  
TOP VIEW  
TOP VIEW  
ABSOLUTEMAXIMUMRATINGS(1)  
CAPACITANCE(TA = +25°C, f = 1MHz, VIN = 0V)  
Parameter Description  
InputCapacitance  
VI = 0V or VDD  
Min.  
Typ.  
Max.  
Unit  
Symbol  
VDD  
VI  
Description  
Power Supply Voltage  
Input Voltage(2)  
Max  
Unit  
V
–0.5 to +4.6  
–0.5 to VDD +0.5  
–0.5 to VDD +0.5  
±50  
CIN  
—
2.5  
—
pF  
V
VO  
Output Voltage(2)  
V
IIK  
Input Clamp Current  
VI < 0 or VI > VDD  
mA  
IOK  
IO  
Output Clamp Current  
VO < 0 or VO > VDD  
±50  
±50  
mA  
mA  
°C  
FUNCTIONTABLE(1)  
Inputs  
Output  
Continuous Total Output Current  
VO < 0 to VDD  
G
L
CLK  
X
Y(0:4)  
L
TSTG  
Storage Temperature  
–65 to +150  
H
H
H
NOTES:  
1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause  
permanent damage to the device. This is a stress rating only and functional operation  
of the device at these or any other conditions above those indicated in the operational  
sections of this specification is not implied. Exposure to absolute maximum rating  
conditions for extended periods may affect reliability.  
NOTE:  
1. H = HIGH Voltage Level  
L = LOW Voltage Level  
X = Don’t Care  
2. Not to exceed 4.6V.  
2
IDT5V2305  
INDUSTRIALTEMPERATURERANGE  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
PINDESCRIPTION  
TERMINAL  
Symbol  
I/O  
Description  
G
I
Output Enable Control for Y(0:4) Outputs. This output enable is active HIGH. If this pin is Logic HIGH, the Y(0:4) clock outputs will follow the  
input clock (CLK). If this pin is logic LOW, the Y(0:4) outputs will drive low independent of the state of CLK.  
Y(0:4)  
CLK  
GND  
VDD  
O
I
BufferedOutputClocks  
InputReferenceFrequency  
Ground  
PWR  
DC Power Supply, 2.3V to 3.6V  
RECOMMENDEDOPERATINGRANGE  
Symbol  
Description  
Min.  
Typ.  
2.5  
Max.  
Unit  
VDD  
InternalPowerSupplyVoltage  
2.3  
V
3.3  
3.6  
0.8  
0.7  
VIL  
VIH  
InputVoltageLOW  
Input Voltage HIGH  
VDD = 3V to 3.6V  
VDD = 2.3V to 2.7V  
VDD = 3V to 3.6V  
VDD = 2.3V to 2.7V  
V
V
2
1.7  
0
VI  
InputVoltage  
VDD  
-12  
-6  
V
IOH  
Output Current HIGH  
VDD = 3V to 3.6V  
VDD = 2.3V to 2.7V  
VDD = 3V to 3.6V  
VDD = 2.3V to 2.7V  
mA  
IOL  
TA  
OutputCurrentLOW  
12  
mA  
°C  
6
AmbientOperatingTemperature  
-40  
+85  
DCELECTRICALCHARACTERISTICSOVEROPERATINGRANGE  
Symbol  
VIK  
Parameter  
Test Conditions  
VDD = 3V, IIN = -18mA  
Min.  
Typ.  
Max  
- 1.2  
±5  
Unit  
V
InputVoltage  
InputCurrent  
IIN  
VI = 0V or VDD  
µA  
µA  
IDD  
StaticDeviceCurrent(1)  
CLK = 0V or VDD, IO = 0mA, VDD = 3.3V  
25  
NOTE:  
1. For IDD over frequency, see TEST CIRCUIT AND WAVEFORMS.  
DC ELECTRICAL CHARACTERISTICS - VDD = 3.3V ± 0.3V  
Symbol  
Parameter  
Test Conditions  
VDD = Min. to Max.  
Min.  
VDD - 0.2  
2.1  
Typ.(1)  
Max  
Unit  
IOH = -100µA  
IOH = -12mA  
IOH = -6mA  
IOH = 100µA  
IOH = 12mA  
IOH = 6mA  
VO = 1V  
VOH  
HIGH level Output Voltage  
VDD = 3V  
V
2.4  
VDD = Min. to Max.  
VDD = 3V  
0.2  
0.8  
VOL  
IOH  
IOL  
LOWlevelOutputVoltage  
HIGH level Output Current  
LOWlevelOutputCurrent  
V
0.55  
VDD = 3V  
-28  
28  
VDD = 3.3V  
VDD = 3.6V  
VDD = 3V  
VO = 1.65V  
VO = 3.135V  
VO = 1.95V  
VO = 1.65V  
VO = 0.4V  
-36  
36  
mA  
mA  
-14  
14  
VDD = 3.3V  
VDD = 3.6V  
NOTE:  
1. All typical values are at respective nominal VDD.  
3
IDT5V2305  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
INDUSTRIALTEMPERATURERANGE  
DC ELECTRICAL CHARACTERISTICS - VDD = 2.5V ± 0.2V  
Symbol  
Parameter  
Test Conditions  
Min.  
VDD - 0.2  
1.8  
Typ.(1)  
Max  
Unit  
VOH  
HIGH level Output Voltage  
VDD = Min. to Max.  
IOH = -100µA  
IOH = -6mA  
IOH = 100µA  
IOH = 6mA  
VO = 1V  
V
VDD = 2.3V  
VDD = Min. to Max.  
VDD = 2.3V  
VDD = 2.3V  
VDD = 2.5V  
VDD = 2.7V  
VDD = 2.3V  
VDD = 2.5V  
VDD = 2.7V  
VOL  
IOH  
IOL  
LOWlevelOutputVoltage  
HIGH level Output Current  
LOWlevelOutputCurrent  
0.2  
V
0.55  
-17  
17  
VO = 1.25V  
VO = 2.375V  
VO = 1.2V  
VO = 1.25V  
VO = 0.3V  
-25  
25  
mA  
mA  
-10  
10  
NOTE:  
1. All typical values are at respective nominal VDD.  
TIMINGREQUIREMENTSOVERRECOMMENDEDRANGE  
Symbol  
Parameter  
Clock Frequency  
Test Conditions  
VDD = 3V to 3.6V  
VDD = 2.3V to 2.7V  
Min.  
Typ.  
Max  
200  
170  
Unit  
fCLK  
0
0
MHz  
4
IDT5V2305  
INDUSTRIALTEMPERATURERANGE  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
SWITCHINGCHARACTERISTICSOVEROPERATINGRANGE-  
VDD = 3.3V ± 0.3V(1)  
Symbol  
tPLH  
Parameter  
Test Conditions  
Min.  
Typ.(1)  
Max  
Unit  
CLK to Yx  
f = 0MHz to 200MHz, CL = 25pF  
1.3  
2.6  
ns  
tPHL  
tSK(O)(2)  
tSK(P)  
tSK(PP)  
tR  
Output Skew, Yx to Yx  
Pulse Skew  
75  
200  
500  
2.3  
2.3  
ps  
ps  
Part-to-PartSkew  
RiseTime  
ps  
VO = 0.4V to 2V(3)  
VO = 2V to 0.4V(3)  
V(THRESHOLD) = VDD/2  
0.7  
0.7  
0.1  
0.4  
V/ns  
V/ns  
ns  
tF  
FallTime  
tSU  
G before CLK↓  
G after CLK↓  
tH  
NOTES:  
1. All typical values are at respective nominal VDD.  
2. This specification is only valid for equal loading of all outputs.  
3. Measured at 100MHz.  
SWITCHINGCHARACTERISTICSOVEROPERATINGRANGE-  
VDD = 2.5V ± 0.2V(1)  
Symbol  
tPLH  
Parameter  
Test Conditions  
Min.  
Typ.(1)  
Max  
Unit  
CLK to Yx  
f = 0MHz to 170MHz, CL = 25pF  
1.5  
3
ns  
tPHL  
tSK(O)(2)  
tSK(P)  
tSK(PP)  
tR  
Output Skew, Yx to Yx  
Pulse Skew  
100  
350  
ps  
ps  
Part-to-PartSkew  
RiseTime  
600  
ps  
VO = 0.4V to 1.7V(3)  
VO = 1.7V to 0.4V(3)  
V(THRESHOLD) = VDD/2  
0.4  
0.4  
0.1  
0.4  
1.625  
1.625  
V/ns  
V/ns  
ns  
tF  
FallTime  
tSU  
G before CLK↓  
G after CLK↓  
tH  
NOTES:  
1. All typical values are at respective nominal VDD.  
2. This specification is only valid for equal loading of all outputs.  
3. Measured at 100MHz.  
5
IDT5V2305  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
INDUSTRIALTEMPERATURERANGE  
OUTPUTENABLEGLITCHSUPPRESSIONCIRCUIT  
Thepurposeoftheglitchsuppressioncircuitryistoensuretheoutputenablesequenceissynchronizedwiththeclockinputsuchthattheoutputbufferwillbe  
enabledonthenextfullperiodoftheinputclock(negativeedgetriggeredbytheinputclock). TheGinputmustbestableonetEN -timepriortothefallingedge  
oftheCLKforpredictableoperation.  
CLK  
Gx  
tEN  
tDIS  
Yx  
G (tEN, tDIS) Relative to CLK↓  
6
IDT5V2305  
INDUSTRIALTEMPERATURERANGE  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
TESTCIRCUITSANDWAVEFORMS  
FROM OUTPUT  
UNDER TEST  
500  
CL  
NOTES:  
1. CL includes probe and jig capacitance.  
2. All input pulses are supplied by generators having the following characteristics:  
PRR ≤200MHz; ZO = 50Ω; tR < 1.2ns; tF < 1.2ns.  
Test Load Circuit  
VDD  
50% VDD  
CLK  
0V  
tPLH  
tPHL  
VOH  
1.7V or 2V  
50% VDD  
VOL  
Yx  
0.4V  
tR  
0.4V  
tF  
Voltage Waveforms Propagation Delay Times  
VDD  
CLK  
0V  
VOH  
Any Y  
Any Y  
50% VDD  
VOL  
VOH  
50% VDD  
VOL  
tSK(O)  
tSK(O)  
Output Skew  
VDD  
CLK  
Yx  
50% VDD  
0V  
tPLH  
tPHL  
VOH  
50% VDD  
VOL  
tSK(P) =  
tPLH tPHL  
Pulse Skew  
7
IDT5V2305  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
INDUSTRIALTEMPERATURERANGE  
TEST CIRCUITS AND WAVEFORMS (cont.)  
Idd vs Frequency  
45  
40  
35  
30  
25  
20  
15  
10  
5
Vdd = 2.5V  
Vdd = 3.3V  
0
0
20  
40  
60  
80  
100  
120  
140  
160  
170  
180  
200  
Frequency (MHz)  
8
IDT5V2305  
INDUSTRIALTEMPERATURERANGE  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
RECOMMENDEDLANDINGPATTERN  
3.80  
1.50  
3.10  
2.60  
0.50  
2.50  
4.30  
0.30  
2.10  
2.60  
NR 16 pin  
NOTE: All dimensions are in millimeters.  
9
IDT5V2305  
2.5VTO3.3VHIGHPERFORMANCECLOCKBUFFER  
INDUSTRIALTEMPERATURERANGE  
ORDERINGINFORMATION  
Part / Order Number  
Shipping Packaging  
Package  
Temperature  
Tubes  
Tape and Reel  
Tubes  
16-pin TSSOP  
16-pin TSSOP  
16-pin VFQFPN  
16-pin VFQFPN  
-40 to +85° C  
-40 to +85° C  
-40 to +85° C  
-40 to +85° C  
5V2305PGGI  
5V2305PGGI8  
5V2305NRGI  
5V2305NRGI8  
Tape and Reel  
"G" suffix to the part number are the Pb-Free configuration and are RoHS compliant.  
CORPORATE HEADQUARTERS  
6024 Silver Creek Valley Road  
San Jose, CA 95138  
for SALES:  
for Tech Support:  
clockhelp@idt.com  
800-345-7015 or 408-284-8200  
fax: 408-284-2775  
www.idt.com  
10  
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