IDT2305NZ FIVE OUTPUT 3.3V CLOCK BUFFER COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES IDT2305NZ FIVE OUTPUT 3.3V CLOCK BUFFER FEATURES: DESCRIPTION: • One input to five output buffer/driver • Low power consumption for mobile applications: less than 32mA at 66.6MHz with unloaded outputs • 8.7ns max input-output delay • Buffers all frequencies from DC to 133.33MHz • Output-output skew < 250ps • 3.3V operation • High drive capability • Available in SOIC package The IDT2305NZ is a low-cost buffer designed to distribute high-speed clocks in mobile PC systems and desktop PC systems. The IDT2305NZ operates at 3.3V with five outputs that can run up to 133.33MHz The IDT2305NZ is an 8-pin version of the IDT2309NZ. It is designed for low EMI and power optimization and consumes less than 32mA at 66.6MHz, making it ideal for the low power requirements of mobile systems. FUNCTIONAL BLOCK DIAGRAM BUF_IN OUTPUT1 OUTPUT2 OUTPUT3 OUTPUT4 OUTPUT5 The IDT logo is a registered trademark of Integrated Device Technology, Inc. COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES AUGUST 2009 1 c 2009 Integrated Device Technology, Inc. DSC 6592/5 IDT2305NZ FIVE OUTPUT 3.3V CLOCK BUFFER COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES ABSOLUTE MAXIMUM RATINGS(1) PIN CONFIGURATION Symbol BUF_IN OUTPUT1 OUTPUT2 GND 8 1 2 7 6 3 4 5 Max. Unit Supply Voltage Range Rating –0.5 to +4.6 V VI (2) Input Voltage Range (REF) –0.5 to +5.5 V VI Input Voltage Range –0.5 to V (except REF) VDD+0.5 VDD OUTPUT5 OUTPUT4 VDD OUTPUT3 IIK (VI < 0) Input Clamp Current –50 mA IO (VO = 0 to VDD) Continuous Output Current ±50 mA VDD or GND Continuous Current ±100 mA TA = 55°C Maximum Power Dissipation 0.7 W –65 to +150 °C 0 to +70 °C -40 to +85 °C (in still air) SOIC TOP VIEW (3) TSTG Storage Temperature Range Operating Commercial Temperature Temperature Range Operating Industrial Temperature Temperature Range NOTES: 1. Stresses greater than those listed under ABSOLUTE MAXIMUM RATINGS may cause permanent damage to the device. This is a stress rating only and functional operation of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied. Exposure to absolute maximum rating conditions for extended periods may affect reliability. 2. The input and output negative-voltage ratings may be exceeded if the input and output clamp-current ratings are observed. 3. The maximum package power dissipation is calculated using a junction temperature of 150°C and a board trace length of 750 mils. PIN DESCRIPTION Pin Name Pin Number Functional Description VDD 6 3.3V Digital Voltage Supply GND 4 Ground BUF_IN 1 Input clock OUTPUT[1:5] 2, 3, 5, 7, 8 Outputs OPERATING CONDITIONS - COMMERCIAL Symbol Parameter Min. Max. Unit VDD Supply Voltage 3 3.6 V TA Operating Temperature (Ambient Temperature) 0 70 °C CL Load Capacitance, FOUT < 100MHz — 30 pF Load Capacitance 100MHz < FOUT < 133.33MHz — 15 Input Capacitance — 7 pF Operating Frequency DC 133.33 MHz CIN BUF_IN, OUTPUT[1:5] 2 IDT2305NZ FIVE OUTPUT 3.3V CLOCK BUFFER COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES OPERATING CONDITIONS - INDUSTRIAL Symbol Parameter VDD Supply Voltage Min. Max. Unit 3 3.6 V TA Operating Temperature (Ambient Temperature) -40 +85 °C CL Load Capacitance, FOUT < 100MHz — 30 pF Load Capacitance 100MHz < FOUT < 133.33MHz — 15 CIN Input Capacitance — 7 pF Operating Frequency DC 133.33 MHz BUF_IN, OUTPUT[1:5] DC ELECTRICAL CHARACTERISTICS - COMMERCIAL Symbol VIL Parameter Conditions (1) Input LOW Voltage (1) Min. Max. Unit — 0.8 V VIH Input HIGH Voltage 2 — V IIL Input LOW Current VIN = 0V — 50 µA IIH Input HIGH Current VIN = VDD — 100 µA VOL Output LOW Voltage(2) IOL = 12mA — 0.4 V IOH = -12mA 2.4 — V Unloaded Outputs at 66.66MHz — 32 mA Min. Max. Unit VOH Output HIGH Voltage IDD Supply Current (2) NOTES: 1. BUF_IN input has a threshold voltage of VDD/2. 2. Parameter is guaranteed by design but not production tested. DC ELECTRICAL CHARACTERISTICS - INDUSTRIAL Symbol Parameter Conditions (1) VIL Input LOW Voltage — 0.8 V VIH Input HIGH Voltage(1) 2 — V IIL Input LOW Current VIN = 0V — 50 µA IIH Input HIGH Current VIN = VDD — 100 µA VOL Output LOW Voltage(2) IOL = 12mA — 0.4 V IOH = -12mA 2.4 — V Unloaded Outputs at 66.66MHz — 35 mA VOH Output HIGH Voltage IDD Supply Current (2) NOTES: 1. BUF_IN input has a threshold voltage of VDD/2. 2. Parameter is guaranteed by design but not production tested. (1) SWITCHING CHARACTERISTICS - COMMERCIAL Parameter(2) Symbol Conditions Min. Typ. Max. Unit t3 Rise Time Measured between 0.8V and 2V — — 1.5 ns t4 Fall Time Measured between 0.8V and 2V — — 1.5 ns t5 Output to Output Skew All outputs equally loaded — — 250 ps t6 Propagation Delay, BUF_IN Rising Edge to OUTPUT Rising Edge Measured at VDD/2 1 5 8.7 ns Duty Cycle Measured at VDD/2 45 — 55 % DC NOTES: 1. All parameters specified with loaded outputs. 2. Parameter is guaranteed by design but not production tested. 3 IDT2305NZ FIVE OUTPUT 3.3V CLOCK BUFFER COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES SWITCHING CHARACTERISTICS - INDUSTRIAL Parameter(2) Symbol (1) Conditions Min. Typ. Max. Unit 1.5 ns t3 Rise Time Measured between 0.8V and 2V — — t4 Fall Time Measured between 0.8V and 2V — — 1.5 ns t5 Output to Output Skew All outputs equally loaded — — 250 ps t6 Propagation Delay, BUF_IN Rising Edge to OUTPUT Rising Edge Measured at VDD/2 1 5 8.7 ns Duty Cycle Measured at VDD/2 45 — 55 % DC NOTES: 1. All parameters specified with loaded outputs. 2. Parameter is guaranteed by design but not production tested. SWITCHING WAVEFORMS 1.4V Output 1.4V t5 Output to Output Skew Output 0.8V 2V 2V VDD/2 3.3V 0.8V Input 0V t4 t3 VDD/2 Output t6 Input to Output Propagation Delay All Outputs Rise/Fall Time TEST CIRCUIT VDD 0.01µF CLKOUT OUTPUTS CLOAD GND 4 IDT2305NZ FIVE OUTPUT 3.3V CLOCK BUFFER COMMERCIAL AND INDUSTRIAL TEMPERATURE RANGES ORDERING INFORMATION IDT XXXXX XX X Device Type Package Process Blank I Commercial (0oC to +70oC) Industrial (-40oC to +85oC) DC DCG Small Outline SOIC - Green 2305NZ-1H Five Output 3.3V Clock Buffer CORPORATE HEADQUARTERS 6024 Silver Creek Valley Road San Jose, CA 95138 for SALES: 800-345-7015 or 408-284-8200 fax: 408-284-2775 www.idt.com 5 for Tech Support: [email protected]