PI6C10807 1.8V/2.5V, 250MHz, 1:10 Networking Clock Buffer Features Description High-speed, low-noise, non-inverting 1-10 buffer The PI6C10807 is a 1.8V, or 2.5V high-speed, low-noise Maximum Frequency up to 250 MHz 1-10 non-inverting clock buffer. The key goal in de sign ing the PI6C10807 is to target networking applications that re quire low- Low output skew < 60ps skew, low-jitter, and high-frequency clock distribution. Low duty cycle distortion < 200ps Providing output-to-output skew as low as 60ps, the PI6C10807 Low propagation delay < 2.0ns is an ideal clock distribution de vice for syn chro nous sys tems. De- Multiple V , GND pins for noise reduction DD sign ing syn chro nous net work ing sys tems re quires a tight level of skew from a large number of outputs. 1.8V or 2.5V supply voltage Packages (Pb-free & Green): 20-pin, TSSOP (L20) 20-pin, SSOP (H20) Block Diagram Pin Con guration BUF IN 1 20 V DD GND 2 19 CLK9 CLK0 3 18 CLK8 V 4 17 GND DD CLK1516 CLK7 615 GND V DD 714 CLK2 CLK6 813 V GND DD 9 12 CLK3 CLK5 10 11 GND CLK4 Pin Description Pin Name Description BUF IN Input CLK 0:9 Outputs GND Ground V Power DD PS8862L 05/01/09 09-0084 1PI6C10807 1.8V/2.5V, 250MHz, 1:10 Networking Clock Buffer 2.5V Absolute Maximum Ratings (Above which the useful life may be impaired. For user guidelines only, not tested.) Note: Stresses greater than those listed under MAXI- Storage Temperature ...........................................................65C to +150C MUM RAT INGS may cause permanent damage to the device. This is a stress rating only and functional op er a tion V Voltage ..........................................................................0.5V to +3.6V DD of the device at these or any other con di tions above those Output Voltage (max. 3.6V) .......................................... 0.5V to V +0.5V DD indicated in the operational sec tions of this spec i ca tion is not implied. Ex po sure to absolute maximum rating con di- Input Voltage (max 3.6V) .............................................. 0.5V to V +0.5V DD tions for extended periods may affect re li abil i ty. 2.5V DC Characteristics (Over Operating Range: V = 2.5V 0.2V, T = -40 to 85C) DD A 1 2 Parameters Description Test Conditions Min. Typ. Max. Units V Supply Voltage 2.3 2.5 2.7 DD V Input HIGH Voltage Logic HIGH level 1.7 3.6 IH V V Input LOW Voltage Logic LOW level -0.3 0.7 IL I Input Current V = Max, Vin = V or GND 15 A I DD DD I = -1mA 2.0 OH V Output High Voltage V = Min., V = V or V I = -2mA 1.7 OH DD IN IH IL OH I = -8mA 1.7 OH V I = 1mA 0.1 OL V Output LOW Voltage V = Min., V - V or V I = 2mA 0.2 OL DD IN IH IL OL I = 8mA 0.2 OL Notes: 1. For Max. or Min. conditions, use appropriate operating range values. 2. Typical values are at V = 2.5V, +25C ambient and maximum loading. DD 2.5V AC Characteristics (Over Operating Range: V = 2.5V 0.2V, T = -40 to 85C) DD A 1 Parameters De scrip tion Test Conditions Min. Typ Max. Units F Input Frequency 0 250 MHz IN t /t CLKn Rise/Fall Time 20% to 80% 1.0 ns R F Pulse Skew between opposite transitions Vin > V 3. 5 DD t 100 200 ps SK(P) (t -t ) of the same output C = 5pF, 125 MHz PHL PLH L 2, 5 t t Propagation Delay BUF IN to CLKn 1.0 1.5 2.0 ns PLH, PHL Output to Output Skew between any two 3, 5 t 60 SK(O) outputs of the same device same transition ps Part to Part Skew between two identical out- C = 5pF, 125 MHz L 3, 5 t 300 SK(T) 4 puts of different parts on the same board 5 t Duty Cycle In Ins edge rate 45 55 dc in % 5 t Duty Cycle Out 40 57.5 dc out Notes: 1. See test circuit and waveforms. 2. Minimum limits are guaranteed but not tested on Propagation Delays. 3. Skew measured at worst case temperature (max. temp). 4. Identical conditions: loading, transitions, supply voltage, temperature, package type and speed grade. 5. Outputs are measured at V /2 DD PS8862L 05/01/09 2 09-0084