CY2304NZ Four Output PCI-X and General Purpose Buffer Four Output PCI-X and General Purpose Buffer Features Functional Description ■ One input to four output buffer/driver The CY2304NZ is a low-cost buffer designed to distribute high-speed clocks for PCI-X and other applications. The device operates at 3.3 V and outputs can run up to 140 MHz. ■ General-purpose or PCI-X clock buffer ■ Buffers all frequencies from DC to 140 MHz ■ Output-to-output skew less than 100 ps ■ Space-saving 8-pin TSSOP package ■ 3.3 V operation ■ 60 ps typical output-output skew Table 1. Function Table Inputs Outputs BUF_IN OE Output [1:4] L H L H L L H H L L L H Block Diagram Logic Control OE BUF_IN OUTPUT1 OUTPUT2 OUTPUT3 OUTPUT4 Pin Configuration 8-pin TSSOP Top View BUF_IN OE 1 8 2 7 OUTPUT1 GND 3 6 4 5 OUTPUT4 OUTPUT3 VDD OUTPUT2 Pin Description For CY2304NZ Signal Pin Description VDD 6 3.3 V voltage supply GND 4 Ground BUF_IN 1 Input clock OUTPUT [1:4] OE 3, 5, 7, 8 2 Outputs Input pin for output enable, active HIGH. Cypress Semiconductor Corporation Document Number: 38-07099 Rev. *F • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600 Revised April 8, 2013 CY2304NZ Maximum Ratings Storage Temperature ............................... –65 °C to +150 °C Max. Soldering Temperature (10 sec.) ...................... 260 °C Supply Voltage to Ground Potential .... –0.5 V to VDD + 0.5 V Junction Temperature ................................................ 150 °C DC Input Voltage ................................ –0.5 V to VDD + 0.5 V Operating Conditions Min Max Unit VDD Parameter Supply Voltage Description 3.0 3.6 V TA Operating Temperature (Ambient Temperature) –40 85 °C CL Load Capacitance – 25 pF CIN Input Capacitance BUF_IN, Operating Frequency OUTPUT [1:4] tPU Power-up time for all VDD’s to reach minimum specified voltage (power ramps must be monotonic) – 7 pF DC 140 MHz 0.05 50 ms Electrical Characteristics Parameter Min Max Unit Input LOW Voltage [1] – 0.8 V VIH Input HIGH Voltage [1] 2.0 – V IIL Input LOW Current VIN = 0 V –5 5 A IIH Input HIGH Current VIN = VDD –5 5 A IOL = 24 mA – 0.8 V IOL = 12 mA – 0.55 V IOH = –24 mA 2.0 – V IOH = –12 mA 2.4 – V – 25 mA Min Typ Max Unit VIL VOL VOH IDD Description Output LOW Voltage [2] Output HIGH Voltage [2] Supply Current Test Conditions Unloaded outputs at 66.66 MHz Switching Characteristics For Commercial and Industrial Temperature Devices Parameter [3] Name Duty Cycle [2] = t2 t1 Description 40.0 50.0 60.0 % t3 Rise Time [2] Measured at 1.5 V Measured between 0.8 V and 2.0 V – – 1.50 ns t4 Fall Time [2] Measured between 0.8 V and 2.0 V – – 1.50 ns t5 Output to Output Skew [2] All outputs equally loaded – 60 100 ps t6 Propagation Delay, Measured at VDD/2 BUF_IN Rising Edge to OUTPUT Rising Edge [2] 2.5 3.5 5 ns Notes 1. BUF_IN input has a threshold voltage of VDD/2. 2. Parameter is guaranteed by design and characterization. It is not 100% tested in production. 3. All parameters specified with loaded outputs. Document Number: 38-07099 Rev. *F Page 2 of 8 CY2304NZ Switching Waveforms Figure 1. Duty Cycle Timing t1 t2 1.5 V 1.5 V 1.5 V Figure 2. All Outputs Rise/Fall Time OUTPUT 2.0 V 0.8 V 2.0 V 0.8 V 3.3 V 0V t4 t3 Figure 3. Output-Output Skew OUTPUT 1.5 V 1.5 V OUTPUT t5 Figure 4. Input-Output Propagation Delay INPUT VDD/2 VDD/2 OUTPUT t6 Document Number: 38-07099 Rev. *F Page 3 of 8 CY2304NZ Ordering Information Ordering Code Package Type Operating Range Standard CY2304NZZI-1 8-pin TSSOP Industrial, –40 °C to 85 °C CY2304NZZI-1T 8-pin TSSOP – Tape and Reel Industrial, –40 °C to 85 °C CY2304NZZXC-1 8-pin TSSOP Commercial, 0 °C to 70 °C CY2304NZZXC-1T 8-pin TSSOP – Tape and Reel Commercial, 0 °C to 70 °C CY2304NZZXI-1 8-pin TSSOP Industrial, –40 °C to 85 °C CY2304NZZXI-1T 8-pin TSSOP – Tape and Reel Industrial, –40 °C to 85 °C Pb-free Ordering Code Definitions CY 2304NZ Z X X - X X X = blank or T blank = Tube; T = Tape and Reel X = 1 or 2 Temperature Range: X = C or I C = Commercial; I = Industrial X = Pb-free Package Type: Z = 8-pin TSSOP Base Device Part Number Company ID: CY = Cypress Document Number: 38-07099 Rev. *F Page 4 of 8 CY2304NZ Package Diagram Figure 5. 8-pin TSSOP (4.40 mm Body) Z08.173/ZZ08.173 Package Outline, 51-85093 51-85093 *D Document Number: 38-07099 Rev. *F Page 5 of 8 CY2304NZ Acronyms Acronym Document Conventions Description PCI Peripheral Component Interconnect TSSOP Thin-Shrink Small Outline Package Document Number: 38-07099 Rev. *F Units of Measure Symbol °C Unit of Measure degree Celsius Hz hertz MHz megahertz µA microampere mA milliampere ms millisecond mV millivolt ns nanosecond ohm % percent pF picofarad ps picosecond V volt W watt Page 6 of 8 CY2304NZ Document History Page Document Title: CY2304NZ, Four Output PCI-X and General Purpose Buffer Document Number: 38-07099 Rev. ECN No. Issue Date Orig. of Change ** 111420 02/12/02 IKA *A 118610 09/25/02 HWT *B 121820 12/14/02 RBI Updated Operating Conditions: Added tPU parameter and its details. *C 291098 See ECN RGL Updated Switching Characteristics: Specified typical value for “Output to Output Skew” parameter. Updated Ordering Information: Added Lead-free Devices. *D 2904623 04/05/10 CXQ Updated Ordering Information (Removed inactive parts). Updated Package Diagram. *E 3163624 02/05/2011 CXQ Updated Maximum Ratings (Removed reference to “Except REF” and “REF” for DC Input Voltage spec). Added Ordering Code Definitions. Updated Package Diagram. Added Acronyms and Units of Measure. Updated in new template. *F 3931498 04/08/2013 PURU Description of Change New data sheet. Updated Ordering Information: Added Industrial Temperature Range in the Ordering Information. Updated Maximum Ratings: Removed “Static Discharge Voltage” and its related information. Updated Package Diagram: spec 51-85093 – Changed revision from *C to *D. Document Number: 38-07099 Rev. *F Page 7 of 8 CY2304NZ Sales, Solutions, and Legal Information Worldwide Sales and Design Support Cypress maintains a worldwide network of offices, solution centers, manufacturer’s representatives, and distributors. To find the office closest to you, visit us at Cypress Locations. Products Automotive Clocks & Buffers Interface Lighting & Power Control PSoC Solutions cypress.com/go/automotive cypress.com/go/clocks psoc.cypress.com/solutions cypress.com/go/interface PSoC 1 | PSoC 3 | PSoC 5 cypress.com/go/powerpsoc cypress.com/go/plc Memory Optical & Image Sensing cypress.com/go/memory cypress.com/go/image PSoC Touch Sensing cypress.com/go/psoc cypress.com/go/touch USB Controllers Wireless/RF cypress.com/go/USB cypress.com/go/wireless © Cypress Semiconductor Corporation, 2002-2013. The information contained herein is subject to change without notice. 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Document Number: 38-07099 Rev. *F Revised April 8, 2013 All products and company names mentioned in this document may be the trademarks of their respective holders. Page 8 of 8