9DBL411BKLF

DATASHEET Four Output Low Power Differential Fanout Buffer for PCI Express Gen1, Gen2, Gen3, and QPI General Description: 9DBL411B Features/Benefits: The ICS9DBL411B is a 4 output lower power differential buffer. Each output has its own OE# pin. It has a maximum operating frequency of 150 MHz. • Low power differential outputs for PCIExpress and QPI clocks • Power down mode when all OE# are high Recommended Application: • Available in I-temp PCI-Express Gen 1/2/3 or QPI fanout buffer • 20-pin MLF or TSSOP packaging Output Features: • 4 - low power differential output pairs • Individual OE# control of each output pair Key Specifications: • Output cycle-cycle jitter < 15ps additive • Output to output skew: < 50ps Power Groups Pin Number (TSSOP) VDD GND 9,18 10,17 4 5 Pin Number (MLF) VDD GND 6,15 7,14 1 2 Description VDD_IO for DIF(3:0) 3.3V Analog VDD & GND Description VDD_IO for DIF(3:0) 3.3V Analog VDD & GND Functional Block Diagram 4 OE#(3:0) DIF_INT STOP LOGIC DIF_INC IDT® Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, Gen3, and QPI 1 4 DIF_LPR(3:0) 1645G—09/25/18 9DBL411B Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, Gen3, and QPI Advance Information OE0# DIF_INC DIF_INT VDDA GNDA OE3# DIF3C_LPR DIF3T_LPR VDD_IO GND 20 19 18 17 16 7 8 9 10 DIF2T_LPR 15 14 13 12 11 VDD_IO GND OE1# DIF1T_LPR DIF1C_LPR OE2# 6 DIF2C_LPR 9DBL411B GND 1 2 3 4 5 VDD_IO VDDA GNDA OE3# DIF3C_LPR DIF3T_LPR 20-pin MLF 1 2 3 4 5 6 7 8 9 10 20 19 18 17 16 15 14 13 12 11 9DBL411B DIF0C_LPR DIF0T_LPR OE0# DIF_INC DIF_INT Pin Configurations DIF0T_LPR DIF0C_LPR VDD_IO GND OE1# DIF1T_LPR DIF1C_LPR OE2# DIF2T_LPR DIF2C_LPR 20-pin TSSOP Terminations Zo 9DBL411 Rs Zo Rs Zo – 17 = Rs (ohms), where Zo is the single-ended intrinsic impedance of the board transmission line. Single-ended intrinsic impedance is ½ that of the differential impedance. Single Ended Rs Impedance 5% Rs (Zo) tolerance 2% tolerance Notes 50 33 33.2 In general, 5% resistors 45 27 27.4 may be used. All values are 42.5 24 or 27 24.9 in ohms. IDT® Four Output Low Power Differential Buffer for PCI Express for Gen1, Gen2, Gen3, and QPI 2 1645G—09/25/18 9DBL411B Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, Gen3, and QPI Advance Information TSSOP Pin Description PIN # (TSSOP) PIN NAME 1 OE0# 2 3 4 5 DIF_INC DIF_INT VDDA GNDA 6 OE3# 7 8 9 10 11 12 DIF3C_LPR DIF3T_LPR VDD_IO GND DIF2C_LPR DIF2T_LPR 13 OE2# 14 15 DIF1C_LPR DIF1T_LPR 16 OE1# 17 18 19 20 GND VDD_IO DIF0C_LPR DIF0T_LPR PIN TYPE IN IN IN PWR GND IN OUT OUT PWR GND OUT OUT IN OUT OUT IN GND PWR OUT OUT DESCRIPTION Output Enable for DIF0 output. Control is as follows: 0 = enabled, 1 = Low-Low Complement side of differential input clock True side of differential input clock 3.3V Power for the Analog Core Ground for the Analog Core Output Enable for DIF3 output. Control is as follows: 0 = enabled, 1 = Low-Low Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) Power supply for low power differential outputs, nominal 1.05V to 3.3V Ground pin Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) Output Enable for DIF2 output. Control is as follows: 0 = enabled, 1 = Low-Low Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) Output Enable for DIF1 output. Control is as follows: 0 = enabled, 1 = Low-Low Ground pin Power supply for low power differential outputs, nominal 1.05V to 3.3V Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) IDT® Four Output Low Power Differential Buffer for PCI Express for Gen1, Gen2, Gen3, and QPI 3 1645G—09/25/18 9DBL411B Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, Gen3, and QPI Advance Information MLF Pin Description PIN # (MLF) 1 2 VDDA GNDA PWR GND 3 OE3# IN 4 DIF3C_LPR OUT 5 DIF3T_LPR OUT 6 7 VDD_IO GND PWR GND 8 DIF2C_LPR OUT 9 DIF2T_LPR OUT 10 OE2# 11 DIF1C_LPR OUT 12 DIF1T_LPR OUT 13 OE1# 14 15 GND VDD_IO GND PWR 16 DIF0C_LPR OUT 17 DIF0T_LPR OUT 18 OE0# IN 19 20 DIF_INC DIF_INT IN IN PIN NAME PIN TYPE IN IN DESCRIPTION 3.3V Power for the Analog Core Ground for the Analog Core Output Enable for DIF3 output. Control is as follows: 0 = enabled, 1 = Low-Low Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) Power supply for low power differential outputs, nominal 1.05V to 3.3V Ground pin Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) Output Enable for DIF2 output. Control is as follows: 0 = enabled, 1 = Low-Low Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) Output Enable for DIF1 output. Control is as follows: 0 = enabled, 1 = Low-Low Ground pin Power supply for low power differential outputs, nominal 1.05V to 3.3V Complement clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) True clock of low power differential clock pair. (no 50ohm shunt resistor to GND needed) Output Enable for DIF0 output. Control is as follows: 0 = enabled, 1 = Low-Low Complement side of differential input clock True side of differential input clock IDT® Four Output Low Power Differential Buffer for PCI Express for Gen1, Gen2, Gen3, and QPI 4 1645G—09/25/18 9DBL411B Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, Gen3, and QPI Advance Information Absolute Maximum Ratings PARAMETER Maximum Supply Voltage Maximum Supply Voltage Maximum Input Voltage Minimum Input Voltage Ambient Operating Temp Storage Temperature Input ESD protection SYMBOL VDDA VDD_IO V IH V IL TambCOM TambIND Ts ESD prot CONDITIONS MIN Core Supply Voltage Low-Voltage Differential I/O 0.99 3.3V LVCMOS Inputs Any Input Vss - 0.5 0 Commercial Range Industrial Range -40 -65 Human Body Model 2000 MAX 4.6 3.8 4.6 70 85 150 UNITS V V V V °C °C ° C V Notes 1,7 1,7 1,7,8 1,7 1 1 1,7 1,7 Electrical Characteristics - Input/Supply/Common Output Parameters PARAMETER Supply Voltage Supply Voltage Input High Voltage Input Low Voltage Differential Input High Voltage Differential Input Low Voltage Input Slew Rate - DIF_IN Input Leakage Current SYMBOL VDDA CONDITIONS Supply Voltage Low-Voltage Differential I/O VDDxxx_IO Supply VIHSE VILSE VIHDIF VILDIF dv/dt IIN I DD_3.3V Operating Supply Current IDD_IO_133M I DD_SB_3.3V Power Down Current (All OE# pins High) Input Frequency Pin Inductance Input Capacitance IDD_SBIO Fi Lpin CIN COUT OE# latency (at least one OE# is low) TOE#LAT Clock stabilization time (from all OE# high to first OE# low). TSTAB Tdrive_OE# Tfall_OE# Trise_OE# TDROE# TFALL TRISE MIN 3.000 MAX 3.600 UNITS V Notes 1 0.99 3.600 VDD + 0.3 0.8 V 1 V V 1 1 1.15 V 1 300 mV 1 8 5 20 V/ns uA mA 2 1 1 20 mA 1 750 uA 1 150 150 7 5 6 uA MHz nH pF pF 1 2 1 1 1 3 periods 1 150 ns 1 10 5 5 ns ns ns 1 1 1 Single-ended inputs 2 Single-ended inputs VSS - 0.3 Differential inputs (single-ended measurement) 600 Differential inputs (single-ended measurement) VSS - 0.3 Measured differentially V IN = V DD , VIN = GND VDDA supply current VDD_IO supply @ fOP = 133MHz VDDA supply current, Input stopped, OE# pins all high VDD_IO supply, Input stopped, OE# pins all high 0.4 -5 VDD = 3.3 V 15 Logic Inputs Output pin capacitance 1.5 Number of clocks to enable or disable output from assertion/deassertion of OE# Delay from assertion of first OE# to first clock out (assumes input clock running and device in power down state)) Output enable after OE# de-assertion 1 Fall/rise time of OE# inputs IDT® Four Output Low Power Differential Buffer for PCI Express for Gen1, Gen2, Gen3, and QPI 5 1645G—09/25/18 9DBL411B Four Output Low Power Differential Buffer for PCI Express Gen1, Gen2, Gen3, and QPI Advance Information AC Electrical Characteristics - DIF Low Power Differential Outputs PARAMETER Rising Edge Slew Rate Falling Edge Slew Rate Slew Rate Variation Maximum Output Voltage Minimum Output Voltage Differential Voltage Swing Crossing Point Voltage Crossing Point Variation SYMBOL tSLR tFLR tSLVAR VHIGH VLOW VSWING VXABS VXABSVAR Duty Cycle Distortion DCYCDIS0 Additive Cycle to Cycle Jitter DIF[3:0] Skew Propagation Delay Additive Phase Jitter PCIe Gen1 DIFJ C2CADD DIFSKEW tPD tphase_add CONDITIONS Differential Measurement Differential Measurement Single-ended Measurement Includes overshoot Includes undershoot Differential Measurement Single-ended Measurement Single-ended Measurement Differential Measurement, fIN