PI6C49X0204B-A Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer Description Features ÎÎFour LVCMOS / LVTTL outputs ÎÎLVCMOS / LVTTL clock input The PI6C49X0204B-A is a low skew, 1-to-4 Fanout Buffer. Guaranteed output and part-to-part skew characteristics make the PI6C49X0204B-A ideal for those clock distribution applications demanding well defined performance and repeatability. ÎÎCLK can accept the following input levels: LVCMOS, LVTTL ÎÎMaximum output frequency: 200MHz ÎÎAdditive phase jitter, RMS: 0.06ps (typical) @ 3.3V ÎÎOutput skew: 45ps (maximum) @ 3.3V ÎÎPart-to-part skew: 500ps (maximum) ÎÎSmall 8 lead SOIC package saves board space ÎÎ3.3V core supply, 3.3V or 2.5V output supply ÎÎ0°C to 70°C ambient operating temperature Block Diagram Pin Assignment Q0 Q1 CLK Pulldown Q2 VDDO 1 8 Q3 VDD 2 7 Q2 CLK 3 6 Q1 GND 4 5 Q0 Q3 13-0148 1 www.pericom.com PI6C49X0204B-A Rev A 12/05/13 PI6C49X0204B-A Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer Pin Descriptions Pin# Pin Name Pin Type Pin Description 1 VDDO Power Output supply pin. 2 VDD Power Positive supply pin. 3 CLK Input 4 GND Power Power supply ground. 5 Q0 Output Single clock output. LVCMOS / LVTTL interface levels. 6 Q1 Output Single clock output. LVCMOS / LVTTL interface levels. 7 Q2 Output Single clock output. LVCMOS / LVTTL interface levels. 8 Q3 Output Single clock output. LVCMOS / LVTTL interface levels. Pulldown LVCMOS / LVTTL clock input. Note: Pulldown refers to internal input resistors. See Table 2, Pin Characteristics, for typical values. Pin Characteristics Symbol Parameter CIN Input Capacitance CPD Power Dissipation Capacitance (per output) R PULLDOWN Input Pulldown Resistor ROUT Output Impedance 13-0148 Test Conditions Min. Typical Max. 4 VDD , VDDO = 3.465V pF 15 51 VDD , VDDO >2.5V 2 5 7 Units pF kΩ 12 Ω www.pericom.com PI6C49X0204B-A Rev A 12/05/13 PI6C49X0204B-A Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer Maximum Ratings (Above which useful life may be impaired. For user guidelines, not tested.) Supply Voltage, VDD . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.6V Inputs, VI . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to VDD +0.5V Output, VO . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . –0.5V to VDDO +0.5V Package Thermal Impedance, θJA . . . . . . . . . . . . . 112.7°C/W (0 lfpm) Storage Temperature, TSTG . . . . . . . . . . . . . . . . . . . . . . -65°C to 150°C Note: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. These ratings are stress specifications only. Functional operation of product at these conditions or any conditions beyond those listed in the DC Characteristics or AC Characteristics is not implied. Exposure to absolute maximum rating conditions for extended periods may affect product reliability. Table 3A. Power Supply DC Characteristics, TA = 0°C TO 70°C Symbol Parameter Conditions Min. Typ. Max. Units VDD Core Supply Voltage 3.3V Operation 3.135 3.3 3.465 V VDDO Output Power Supply Voltage 3.3V Supply 3.135 3.3 3.465 2.5V Supply 2.375 2.5 2.625 IDD Power Supply Current IDDO Output Supply Current 13-0148 V 22 mA 25MHz 7 mA 200MHz 45 mA 3 www.pericom.com PI6C49X0204B-A Rev A 12/05/13 PI6C49X0204B-A Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer LVCMOS / LVTTL DC CHARACTERISTICS, TA = 0°C to 70°C Symbol Parameter VIH Input High Voltage VIL Input Low Voltage IIH Input High Current VDD = VIN = 3.465V IIL Input Low Current VDD = 3.465V, VIN = 0V Output High Voltage VOH Output High Voltage VOL 13-0148 Conditions Min. Typ. Max. VDD = 3.3V 2.3 VDD+0.3 VDD = 2.5V 1.7 VDD+0.3 VDD = 3.3V -0.3 0.8 VDD = 2.5V -0.3 0.8 150 Units V V μA -5 μA VDDO = 3.3V 50Ω to VDDO /2 2.6 V IOH = -100μA 2.9 V VDDO = 2.5V 50Ω to VDDO /2 1.8 V IOH = -100μA 2.2 V VDDO = 3.3V 50Ω to VDDO /2 0.5 V IOH = -100μA 0.2 V VDDO = 2.5V 50Ω to VDDO /2 0.5 V IOH = -100μA 0.2 V 4 www.pericom.com PI6C49X0204B-A Rev A 12/05/13 PI6C49X0204B-A Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer AC CHARACTERISTICS, VDD = 3.3V ± 5%, TA = 0°C to 70°C Symbol Parameter fMAX Output Frequency tpLH Propagation Delay, Low-to-High; NOTE 1 tsk(o) Output Skew; NOTE 2 25 100 ps tsk(pp) Part-to-Part Skew; NOTE 3 250 500 ps tR Output Rise Time NOTE 4 tF Output Fall Time NOTE 4 odc Output Duty Cycle tjit Additive RMS Jitter Conditions Min. Max. Units VDDO = 3.3V 200 MHz VDDO = 2.5V 200 VDDO = 3.3V, ƒ≤ 200MHz 1.9 VDDO = 2.5V, ƒ≤ 200MHz 2.3 Typ. 2.35 2.8 ns 3.3 VDDO = 3.3V 280 800 VDDO = 2.5V 280 850 VDDO = 3.3V 280 800 VDDO = 2.5V 280 850 VDDO = 3.3V, ƒ≤ 133MHz 45 55 % VDDO = 3.3V, 133MHz < ƒ≤ 200MHz 40 60 % VDDO = 2.5V, ƒ≤ 133MHz 45 55 % VDDO = 2.5V, 133MHz < ƒ≤ 200MHz 40 60 % 156.25MHz (@12kHz to 20MHz) 0.06 ps ps ps 125MHz (@12kHz to 0.04 ps 20MHz) Parameters measured at f MAX unless otherwise noted. NOTE 1: Measured from VDD /2 of the input to VDDO /2 of the output. NOTE 2: Defined as skew between outputs at the same supply voltage and with equal load conditions. Measured at VDDO /2. NOTE 3: Defined as skew between outputs on different devices operating at the same supply voltages and with equal load conditions. Using the same type of inputs on each device, the outputs are measured at VDDO /2. NOTE 4: Defined from 20% to 80% 13-0148 5 www.pericom.com PI6C49X0204B-A Rev A 12/05/13 PI6C49X0204B-A Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer Phase Noise and Additive Jitter Output phase noise (Right plot) vs Input Phase noise (Left plot) Additive jitter is calculated at ~60.2fs RMS (12kHz to 20MHz). Additive jitter = √(Output jitter2 - Input jitter2) Configuration Test Load Board Termination for LVCMOS Outputs 3.3V ±5% VDD VDDO 15pF GND Thermal Information Symbol Description ΘJA Junction-to-ambient thermal resistance ΘJC Junction-to-case thermal resistance 13-0148 Condition Still air 157 °C/W 42 °C/W 6 www.pericom.com PI6C49X0204B-A Rev A 12/05/13 PI6C49X0204B-A Low Skew, 1-TO-4 LVCMOS/LVTTL Fanout Buffer DOCUMENT CONTROL NO. 8 PD - 1001 REVISION: F .149 .157 DATE: 03/09/05 3.78 3.99 .0099 .0196 0.25 x 45˚ 0.50 1 .189 .196 4.80 5.00 .0075 .0098 0-8˚ 0.19 0.25 0.40 .016 1.27 .050 1 .016 .026 0.406 0.660 1.35 1.75 .053 .068 SEATING PLANE REF .050 BSC 1.27 .2284 .2440 5.80 6.20 .0040 0.10 .0098 0.25 .013 0.330 .020 0.508 Pericom Semiconductor Corporation 3545 N. 1st Street, San Jose, CA 95134 1-800-435-2335 • www.pericom.com X.XX DENOTES DIMENSIONS X.XX IN MILLIMETERS Notes: 1) Controlling dimensions in millimeters. 2) Ref: JEDEC MS-012D/AA DESCRIPTION: 8-Pin, 150-Mil Wide, SOIC PACKAGE CODE: W Note: • For latest package info, please check: http://www.pericom.com/products/packaging/mechanicals.php Ordering Information(1-3) Ordering Code Package Code PI6C49X0204B-AWE W Package Description 8-pin, Pb-free & Green, SOIC Notes: 1. Thermal characteristics can be found on the company web site at www.pericom.com/packaging/ 2. E = Pb-free and Green 3. Adding an X suffix = Tape/Reel Pericom Semiconductor Corporation • 1-800-435-2336 • www.pericom.com 13-0148 All trademarks are property of their respective owners. 7 www.pericom.com PI6C49X0204B-A Rev A 12/05/13