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| PI6C4853111 2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer with 2 to 1 Differential Clock Input Mux Features * * * * * * * * * Pin-to-pin compatible to ICS853111-02 FMAX < 500MHz 10 pairs of differential LVPECL outputs Selectable differential input pairs with single ended input option Input CLK accepts: LVPECL, LVDS, CML, SSTL input level Output skew: 35ps (typ) Operating Temperature: -40oC to 85oC Core Power supply: 3.3V+/-10%, Output Power supply: 2.5V 5% & 3.3V 10% Packaging (Pb-free & Green): -- 32-pin TQFP (FA) Description The PI6C4853111 is a high-performance low-skew 1-to-10 LVPECL fanout buffer. The PI6C4853111 features two selectable differential clock inputs and translates to ten LVPECL outputs. The CLK inputs accept LVPECL, LVDS, CML and SSTL signals. PI6C4853111 is ideal for clock distribution applications demanding performance and repeatability. Block Diagram Q0 /Q0 Q1 /Q1 Pin Configuration CLK0 /CLK0 CLK1 /CLK1 0 1 Q3 /Q3 Q4 /Q4 Q5 /Q5 Q6 /Q6 Q7 /Q7 Q8 /Q8 Q9 /Q9 CLK_SEL VCCO /Q2 Q2 /Q1 Q1 /Q0 Q0 vCCO 25 26 27 28 29 30 31 32 24 23 22 21 20 19 18 17 16 15 14 13 12 11 /CLK0 CLK_SEL 06-0052 1 /CLK1 VCC CLK0 CLK1 VEE PS8805B NC Q3 /Q3 Q4 /Q4 Q5 /Q5 Q6 /Q6 123 4 5 6 78 Q2 /Q2 vCCO Q7 /Q7 Q8 /Q8 Q9 10 /Q9 9 vCCO 04/18/06 PI6C4853111 2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer w/ 2 to 1 Differential Clock Input Mux Pin Description(1) Name VEE CLK_SEL CLK0 /CLK0 CLK1 /CLK1 NC VCCO VCC Q3, /Q3 Q2, /Q2 Q1, /Q1 Q0, /Q0 Q9, /Q9 Q8, /Q8 Q7, /Q7 Q6, /Q6 Q5, /Q5 Q4, /Q4 Pin # 8 2 3 4 6 7 5 9,16, 25,32 1 24,23 27,26 29,28 31,30 11,10 13,12 15,14 18,17 20,19 22,21 P P O O O O O O O O O O Type P I I I I I Description Connect to negative power supply Clock select input. When high, selects CLK1 input. When low, selects CLK0 input. LVCMOS/LVTTL level with 50k pull down. Differential LVPECL clock input with 75k pull-down Inverting differential LVPECL clock input. Defaults to VCC/2 if left floating. Differential LVPECL clock input with 75k pull-down Inverting differential LVPECL clock input. Defaults to VCC/2 if left floating. No Connect Output Power pin Core Power Supply Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Differential output pair, LVPECL interface level. Note: 1. I = Input, O = Output, P = Power supply connection. Pin Characteristics Symbol R Parameter Input Pullup/Pulldown Resistance Conditions Min. Typ. 50 Max. Units k Control Input Function Table Inputs 0 1 Outputs CLK0 CLK1 06-0052 2 PS8805B 04/18/06 PI6C4853111 2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer w/ 2 to 1 Differential Clock Input Mux Absolute Maximum Ratings(1) Symbol VCC VIN IOUT Parameter Supply voltage Input voltage Surge Current Storage temperature Smk/source Current, IBB Package Thermal Resistance Package Thermal Resistance Conditions Referenced to GND Referenced to GND Min -0.5 -65 -0.5 Typ Max 4.6 VCC+0.5V 100 150 +0.5 86 12.7 Units V V mA oC TSTG VBB jA jC mA C/Watt C/Watt Note: 1. Stresses above those listed under "Absolute Maximum Ratings" may cause permanent damage to the device. These ratings are stress specifications only and correct functional operation of the device at these or any other conditions above those listed in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability. Operating Conditions Symbol VCC VCCO TA Parameter Power Supply Voltage Output Power Supply Voltage Ambient Temperature Conditions Min 3.0 2.375 -40 Typ Max 3.6 3.6 85 Units V V oC LVCMOS/LVTTL DC Characteristics (TA = -40oC to +85oC, VCC = 3.3V 5%, VCCO = 2.5V 5% to 3.3V 10%) Symbol VIH VIL IIH IIL Parameter Input High Voltage Input Low Voltage Input High Current Input Low Current CLK_SEL CLK_SEL CLK_SEL CLK_SEL VIN = VCC = 3.6V VIN = 0V, VCC = 3.6V -5 Conditions Min 2 -0.3 Typ Max VCC+0.3 0.8 150 Units V A A 06-0052 3 PS8805B 04/18/06 PI6C4853111 2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer w/ 2 to 1 Differential Clock Input Mux LVPECL DC Characteristics (TA = -40oC to +85oC, VCC = 3.3V 10%, VCCO = 2.5V 5% to 3.3V 10%) Symbol IIH IIL VPP VCMR VOH VOL VSWING IEE Input High Current Input Low Current Parameter CLK0, CLK1 /CLK0, /CLK1 CLK0, CLK1 /CLK0, /CLK1 Conditions VIN = VCC = 3.6V VIN = VCC = 3.6V VCC = 3.6V, VIN = 0V VCC = 3.6V, VIN = 0V -5 -150 0.3 VEE+1.5 Vcco=2.5V or 3.3V Vcco=2.5V or 3.3V VCCO-1.4 VCCO-2.0 0.6 @ 400 MHz 120 1 VCC VCCO-0.9 VCCO-1.7 1.0 140 Min Typ Max 150 150 Units A A A A V V V V V mA Peak-to-peak Voltage Common Mode Input Voltage(1) Output High Voltage(2) Output Low Voltage(2) Peak-to-peak Output Voltage Swing Power Supply Current Notes: 1. For single-ended applications, the maximum input voltage for CLK and /CLK is VCC+0.3V 2. Outputs terminated with 50 to VCC-2.0V AC Characteristics (TA = -40oC to +85oC, VCC = 3.3V 10%, VCCO = 2.5V 5% to 3.3V 10%) Symbol fmax tpd Tsk tr/tf odc Parameter Output Frequency Propagation Delay(1) Skew(2) 20% - 80% f 400 MHz 150 45 35 Output-to-output Conditions Min Typ Max 500 4 60 700 55 Units MHz ns ps ps % Output Rise/Fall time Output duty cycle Notes: 1. Measured from the differential input to the differential output crossing point 2 Defined as skew between outputs at the same supply voltage and with equal loads. Measured at the output differential crossing point 06-0052 4 PS8805B 04/18/06 PI6C4853111 2.5V/3.3V 500MHz Low Skew 1-to-10 Differential to LVPECL Fanout Buffer w/ 2 to 1 Differential Clock Input Mux Packaging Mechanical: 32-pin TQFP (FA) 9.00 BSC .354 Square Square 7.00 .276 BSC 0.09 0.20 .004 .008 0.25 mm GAUGE PLANE 0 7 0.45 .018 0.75 .030 1.20 Max. .047 1.00 REF .039 .004 0.10 Seating Plane 0.30 .012 0.45 .018 0.80 BSC .032 0.05 0.15 .002 .006 0.95 1.05 .037 .041 X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Ordering Information(1,2,3) Ordering Code PI6C4853111FAE Package Code FA Package Description Pb-free & Green, 32-pin TQFP Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. E = Pb-free & Green 3. X suffix = Tape/Reel Pericom Semiconductor Corporation * 1-800-435-2336 * www.pericom.com 06-0052 5 PS8805B 04/18/06 |
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