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 Outputs 2 Cypress Semiconductor Corporation Document Number: 38-07099 Rev. *E Input pin for output enable, active HIGH. • 198 Champion Court • San Jose, CA 95134-1709 • 408-943-2600 Revised February 8, 2011 [+] Feedback CY2304NZ Maximum Ratings Max. Soldering Temperature (10 sec.) ...................... 260 °C Junction Temperature ................................................ 150 °C Supply Voltage to Ground Potential..... –0.5 V to VDD + 0.5 V Static Discharge Voltage (per MIL-STD-883, Method 3015) .......................... > 2,000 V DC Input Voltage ................................. –0.5 V to VDD + 0.5 V Storage Temperature ............................... –65 °C to +150 °C Operating Conditions Parameter Description Min Max Unit VDD Supply Voltage 3.0 3.6 V TA Operating Temperature (Ambient Temperature) –40 85 °C CL Load Capacitance – 25 pF CIN Input Capacitance – 7 pF DC 140 MHz 0.05 50 ms Min Max Unit – 0.8 V BUF_IN, OUTPUT [1:4] Operating Frequency Power-up time for all VDD’s to reach minimum specified voltage (power ramps must be monotonic) tPU Electrical Characteristics Parameter VIL Description Input LOW Voltage[1] Voltage[1] Test Conditions VIH Input HIGH 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 Voltage[2] VOL Output LOW VOH Output HIGH Voltage[2] IOL = 12 mA IDD Supply Current – 0.55 V IOH = –24 mA 2.0 – V IOH = –12 mA 2.4 – V – 25 mA Unloaded outputs at 66.66 MHz Switching Characteristics[3] for Commercial and Industrial Temperature Devices Parameter Name Duty Cycle t3 Rise [2] = t2 t1 Time[2] Time[2] Description Min Typ Max Unit 40.0 50.0 60.0 % Measured between 0.8 V and 2.0 V – – 1.50 ns Measured at 1.5 V t4 Fall 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, BUF_IN Rising Edge to OUTPUT Rising Edge[2] Measured at VDD/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. *E Page 2 of 8 [+] Feedback CY2304NZ Switching Waveforms Duty Cycle Timing t1 t2 1.5 V 1.5 V 1.5 V All Outputs Rise/Fall Time OUTPUT 2.0 V 0.8 V 2.0 V 0.8 V 3.3 V 0V t4 t3 Output-Output Skew OUTPUT 1.5 V 1.5 V OUTPUT t5 Input-Output Propagation Delay INPUT VDD/2 VDD/2 OUTPUT t6 Document Number: 38-07099 Rev. *E Page 3 of 8 [+] Feedback 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 Pb-free 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 Ordering Code Definitions CY 2304NZ Z X X - X T 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. *E Page 4 of 8 [+] Feedback CY2304NZ Package Diagram 51-85093 *C Document Number: 38-07099 Rev. *E Page 5 of 8 [+] Feedback CY2304NZ Acronyms Acronym Description PCI Peripheral Component Interconnect TSSOP thin-shrink small outline package Document Conventions Units of Measure Symbol °C Unit of Measure degree Celsius Hz Hertz MHz Mega Hertz µA micro Amperes mA milli Amperes ms milli seconds ns nano seconds ohms % percent pF pico Farads ps pico seconds mV milli Volts V Volts W Watts Document Number: 38-07099 Rev. *E Page 6 of 8 [+] Feedback CY2304NZ Document History Page Document Title: CY2304NZ Four Output PCI-X and General Purpose Buffer Document Number: 38-07099 REV. Orig. of Change ECN NO. Issue Date ** 111420 02/12/02 IKA *A 118610 09/25/02 HWT Description of Change New data sheet Added Industrial Temperature Range in the Ordering Information *B 121820 12/14/02 RBI Power-up requirements added to Operating Conditions Information *C 291098 See ECN RGL Added Lead-free Devices Specified typical value for output-output skew *D 2904623 04/05/10 CXQ Removed inactive parts from Ordering Information. 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. Document Number: 38-07099 Rev. *E Page 7 of 8 [+] Feedback 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, 2002-2011. The information contained herein is subject to change without notice. Cypress Semiconductor Corporation assumes no responsibility for the use of any circuitry other than circuitry embodied in a Cypress product. Nor does it convey or imply any license under patent or other rights. Cypress products are not warranted nor intended to be used for medical, life support, life saving, critical control or safety applications, unless pursuant to an express written agreement with Cypress. Furthermore, Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress products in life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. Any Source Code (software and/or firmware) is owned by Cypress Semiconductor Corporation (Cypress) and is protected by and subject to worldwide patent protection (United States and foreign), United States copyright laws and international treaty provisions. Cypress hereby grants to licensee a personal, non-exclusive, non-transferable license to copy, use, modify, create derivative works of, and compile the Cypress Source Code and derivative works for the sole purpose of creating custom software and or firmware in support of licensee product to be used only in conjunction with a Cypress integrated circuit as specified in the applicable agreement. Any reproduction, modification, translation, compilation, or representation of this Source Code except as specified above is prohibited without the express written permission of Cypress. Disclaimer: CYPRESS MAKES NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARD TO THIS MATERIAL, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. Cypress reserves the right to make changes without further notice to the materials described herein. Cypress does not assume any liability arising out of the application or use of any product or circuit described herein. Cypress does not authorize its products for use as critical components in life-support systems where a malfunction or failure may reasonably be expected to result in significant injury to the user. The inclusion of Cypress’ product in a life-support systems application implies that the manufacturer assumes all risk of such use and in doing so indemnifies Cypress against all charges. Use may be limited by and subject to the applicable Cypress software license agreement. Document Number: 38-07099 Rev. *E Revised February 8, 2011 Page 8 of 8 All products and company names mentioned in this document may be the trademarks of their respective holders. [+] Feedback