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PI6CV304 / PI6CV2304
160 MHz Clock Buffers
Features
* * * * * * * * 160 MHz operation Low noise, low skew: 150ps max Fast rise/fall time: 1.0ns typ. Fast propagation delay: 2.0ns typ. 5V I/O tolerant input Industrial temperature (-40C to 85C) 3.3V power supply Packaging (Pb-free & Green available) - 8-pin TSSOP (L) - 8-pin SOIC (W)
Description
Pericom's PI6CV304 and PI6CV2304 are low-skew, low- noise, highspeed clock buffers and are ideal for computing, networking, and communication applications. Application examples include PCI(X) clock buffers in servers and workstations, PCI(X) Storage Area Network (SAN), and RAID controllers. They are used for networking and communications applications requiring 80 MHz for 10/100 Mbps Ethernet and 125 MHz for Gigabit networking clocks. To reduce EMI emission and power consumption, all outputs can be disabled to 3-state by asserting a low signal to the OE (Output Enable) pin. PI6CV2304 output impedance is 30-ohms. PI6CV304 output impedance is 20-ohms.
Applications
* 33 MHz PCI-to-133 MHz PCIX controllers * 80 MHz for 10/100 Mbps Ethernet * 125 MHz for Gigabit networking * 155 MHz for Optical OC3/SDH/SONET
Function Table
Inputs CLK_IN X L H OE L H H Output Y[0:3] Z L H
Block Diagram
Pin Configuration
Y0
CLK_IN
Y1
1 2 3 4
8 7 6 5
Y3 Y2 VDD Y1
OE Y0
Y2 OE CLK_IN Y3
GND
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PI6CV304 / PI6CV2304 160 MHz Clock Buffers
Pin Description
Pin # 1 2 3,5,7,8 4 6 Symbol CLK_IN OE Y[0- 3] GND VDD Type Input Input Output Ground Power Qty 1 1 4 1 1 5V Tolerant clock input Active High Output Enable. Y[0- 3] outputs will be 3- stated when OE is low LVCMOS level outputs Ground 3.3V power De s cription
Absolute Maximum Ratings (Above which the useful life may be impaired. For user guidlines, not tested)
Supply Voltage (VDD) Input Voltage Industrial Operating Temperature Storage Temperature Junction Temperature Input ESD MIL- 883, method 3015, human body model -0.0V to +5.0V -0.5V to VDD+0.5V -40C to +85C -65C to +150C 150C 2K V
Operating Conditions
Symbol VDD TA De s cription I/O Supply, Analog Core Supply Industrial Ambient Temperature M in 3.0 -40 M ax 3.6 +85 Unit V C
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PI6CV304 DC Characteristics Over Operating Conditions
Symbol VIL VIH IIL IIH VO L VO H CO CI Parame te r Low Input Voltage High Input Voltage Low Input Current High Input Current Low Output Voltage High Output Voltage Output Capacitance Input Capacitance CL = 33pF/33MHz CL = 33pF/66MHz IDD Supply Current CL = 22pF/80MHz CL = 15pF/100MHz CL = 10pF/125MHz CL = 10pF/155MHz ZO L Output Impedance Pin Inductance 20 40 35 32 28 41 20 7 nH mA VIN = 0V VIN = VC C VC C = 3.0V, IO L = 12mA VC C = 3.0V, IO H = -12mA 2.4 7 5 2.0 -5 5 0.4 Conditions M in Typ. M ax 0.8 Units V A V pF
21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI6CV304 / PI6CV2304 160 MHz Clock Buffers
PI6CV304 AC Characteristics (TA = -40~85C,VCC = 3.3V 0.3V, 33pF/66MHz and 10pF/160MHz)
Symbol fIN tP LH tP HL tS K (O ) tS K (P ) tS K (T) tR,tF tP ZL,tP ZH tP LZ,tP HZ tDC Input frequency Low- to- high propagation delay High- to- low propagation delay Output skew(2) Pulse skew Package skew Rise, Fall time Output enable time Output disable time Output Duty Cycle tDC = tH/tC Y, tH = High Pulse Width, tC Y = Output Cycle Time, @ 1.5V 45
(1 )
Parame te r
Conditions CLK_IN to Y[0- 3] rising edges @ 1.5V CLK_IN to Y[0- 3] falling edges @ 1.5V @ 1.5V @ 1.5V @ 1.5V 0.8V~2.0V
M in. 0 1.0 1.0
Typ.
M ax. 16 0 3.0 3.0 100 300 500 1.2 5 10 55
Units MHz ns
ps
ns
%
Note: 1. Identical traces, loads, power supply. 2. Maximum Output Skew is 100ps when frequency is below 125MHz with 10pF loading.
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PI6CV304 / PI6CV2304 160 MHz Clock Buffers
PI6CV2304 DC Characteristics Over Operating Conditions
Symbol VIL VIH IIL IIH VOL VOH Parame te r Low Input Voltage High Input Voltage Low Input Current High Input Current Low Output Voltage High Output Voltage VIN = 0V VIN = VCC VCC = 3.0V, IOL= 8 mA VCC = 3.0V, IOH = - 8mA CL = 33pF/33MHz CL = 33pF/66MHz IDD Supply Current CL = 22pF/80MHz CL = 15pF/100MHz CL = 10pF/125MHz CO CI ZO L Output Capacitance Input Capacitance Output Impedance Pin Inductance 30 7 2.4 20 41 35 34 31 7 5 pF nH mA 2.0 -5 0 200 0.4 Conditions M in. Typ. M ax. 0.8 Units V A V
PI6CV2304 AC Characteristics (TA = -40~85C, VCC = 3.3V 0.3V, 33pF/66MHz and 10pF/133MHz)
Symbol fIN tP LH tP HL tS K (O ) tS K (P ) tS K (T) tR,tF tP ZL,tP ZH tP LZ,tP HZ tDC Parame te r Input frequency Low- to- high propagation delay High- to- low propagation delay Output skew Pulse skew Package skew Rise, Fall time Output enable time Output disable time Output duty cycle tDC = tH/tC Y, tH = High Pulse Width, tC Y = Output Cycle Time, @ 1.5V 45
(1 )
Conditions CLK_IN to Y[0- 3] rising edges @ 1.5V CLK_IN to Y[0- 3] falling edges @ 1.5V @ 1. 5 V @ 1. 5 V @ 1.5V 0.8V~2.0V
M in. 0 1. 0 1. 0
Typ.
M ax. 133 3.0 3.0 15 0 300 500 1.35 5 10 55
Units MHz ns
ps
ns
%
Note: 1. Identical traces, loads, power supply.
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tr
tf
Vol
Note: For test circuit: RS = 0 for PI6CV2304, RS = 15 ohms for PI6CV304 CL = 10, 15, 22, or 33pF, depending on frequency.
Voh - V
Vol - V
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PI6CV304 / PI6CV2304 160 MHz Clock Buffers
Rise/Fall Time
Voh 2.0V 2.0V
High-Level Output Voltage vs. High-Level Output Current
VCC = 3.0V TA = 25C
0.8V
0.8V
3.5 3 2.5 2 1.5 1 0.5 0 -100
-80
PI6CV304 PI6CV2304
-60
-40
Ioh - mA
-20
0
Low-Level Output Voltage vs. Low-Level Output Current
VCC = 3.0V TA = 25C
3.5 3 2.5 2 1.5 1 0.5 0
0
20
PI6CV304 PI6CV2304
40
60
Ioh - mA
80
100
5
PS8537D
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PI6CV304 / PI6CV2304 160 MHz Clock Buffers
Switching Waveforms
Propagation Delay
3V CLK_IN tPLH Y0 - Y3 tR tPHL 1.5V 0V VOH 1.5V VOL
Pulse Skew - tSK(p)
3V CLK_IN tPLH Any Y tPHL 1.5V 0V VOH 1.5V VOL
2.0V 0.8V
tF
Output Skew - tSK(o)
3V CLK_IN tPLHx Any Y tSK(o) Any Y tPLHy tPHLy tSK(o) tPHLx 1.5V 0V VOH 1.5V VOL VOH 1.5V VOL
Package 2 Any Y Package 1 Any Y CLK_IN
Package Skew - tSK(t)
3V 1.5V tPLH1 tPHL1 0V VOH 1.5V tSK(t) tSK(t) VOL VOH 1.5V tPLH2 tPHL2 VOL
Output Duty Cycle - tDC
tH -1.5V Any Y tCY
6
PS8537D
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21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI6CV304 / PI6CV2304 160 MHz Clock Buffers
Packaging Mechanical: 8-Pin TSSOP (L)
Packaging Mechanical: 8-Pin SOIC (W)
8
.149 .157
3.78 3.99
.0099 .0196
0.25 x 45 0.50
1 .189 .196 .016 .026 0.406 0.660 REF 4.80 5.00 1.35 1.75 SEATING PLANE
0-8
.0075 .0098 0.40 .016 1.27 .050
0.19 0.25
.053 .068
.2284 .2440 5.80 6.20
.050 BSC 1.27 .013 0.330 .020 0.508
.0040 0.10 .0098 0.25 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS
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PS8537D
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21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321 21098765432121098765432109876543210987654321210987654321098765432109876543212109876543210987654321098765432121098765432109876543210987654321
PI6CV304 / PI6CV2304 160 MHz Clock Buffers
Ordering Information
Ordering Code PI6CV304L PI6CV304LE PI6CV304W PI6CV304WE PI6CV2304L PI6CV2304LE PI6CV2304W PI6CV2304WE Package Code L L W W L L W W Package Type 8-pin 173-mil wide TSSOP Pb-free & Green, 8-pin 173-mil wide TSSOP 8-pin 150-mil wide SOIC Pb-free & Green, 8-pin 150-mil wide SOIC 8-pin 173-mil wide TSSOP Pb-free & Green, 8-pin 173-mil wide TSSOP 8-pin 150-mil wide SOIC Pb-free & Green, 8-pin 150-mil wide SOIC
Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/
Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com
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