cy2304nz four output pci-x and general purpose buffer cypress semiconductor corporation ? 198 champion court ? san jose , ca 95134-1709 ? 408-943-2600 document number: 38-07099 rev. *h revised march 18, 2014 four output pci-x and general purpose buffer features one input to four output buffer/driver 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 functional description the cy2304nz is a low-cost buffer designed to distribute high-speed clocks for pci-x and other applicati ons. the device operates at 3.3 v and outputs can run up to 140 mhz. function table inputs outputs buf_in oe output [1:4] l h l h l l h h l l l h pin description for cy2304nz signal pin description v dd 6 3.3 v voltage supply gnd 4 ground buf_in 1 input clock output [1:4] 3, 5, 7, 8 outputs oe 2 input pin for output enable, active high. block diagram buf_in output2 output3 output4 output1 oe logic control pin configuration 1 2 3 4 5 6 7 8 buf_in oe output1 gnd output4 output3 vdd output2 8-pin tssop top view
cy2304nz document number: 38-07099 rev. *h page 2 of 8 maximum ratings supply voltage to ground potential .... ?0.5 v to v dd + 0.5 v dc input voltage ................................ ?0.5 v to v dd + 0.5 v storage temperature ............................... ?65 c to +150 c max. soldering temperature (10 sec.) ...................... 260 c junction temperature ................................................ 150 c operating conditions parameter description min max unit v dd supply voltage 3.0 3.6 v t a operating temperat ure (ambient temperature) ?40 85 c c l load capacitance ? 25 pf c in input capacitance ? 7 pf buf_in, output [1:4] operating frequency dc 140 mhz t pu [1] power-up time for all vdd?s to reach minimum specified voltage (power ramps must be monotonic) 0.05 50 ms electrical characteristics parameter description test conditions min max unit v il input low voltage [2] ?0.8v v ih input high voltage [2] 2.0 ? v i il input low current v in = 0 v ?5 5 ? a i ih input high current v in = v dd ?5 5 ? a v ol output low voltage [3] i ol = 24 ma ? 0.8 v i ol = 12 ma ? 0.55 v v oh output high voltage [3] i oh = ?24 ma 2.0 ? v i oh = ?12 ma 2.4 ? v i dd supply current unloaded outputs at 66.66 mhz ? 25 ma switching characteristics for commercial and industrial temperature devices parameter [4] name description min typ max unit duty cycle [3] = t 2 ? t 1 measured at 1.5 v 40.0 50.0 60.0 % t 3 rise time [3] measured between 0.8 v and 2.0 v ? ? 1.50 ns t 4 fall time [3] measured between 0.8 v and 2.0 v ? ? 1.50 ns t 5 output to output skew [3] all outputs equally loaded ? 60 100 ps t 6 propagation delay, buf_in rising edge to output rising edge [3] measured at v dd /2 2.5 3.5 5 ns notes 1. this operating condition guarantees skew and propagation delay. 2. buf_in input has a threshold voltage of v dd /2. 3. parameter is guaranteed by design and characte rization. it is not 100% tested in production. 4. all parameters specified with loaded outputs.
cy2304nz document number: 38-07099 rev. *h page 3 of 8 switching waveforms figure 1. duty cycle timing figure 2. all outputs rise/fall time figure 3. output-output skew figure 4. input-output propagation delay t 1 t 2 1.5 v 1.5 v 1.5 v output t 3 3.3 v 0 v 0.8 v 2.0 v 2.0 v 0.8 v t 4 1.5 v 1.5 v t 5 output output v dd /2 t 6 input output v dd /2
cy2304nz document number: 38-07099 rev. *h page 4 of 8 ordering code definitions 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 pb-free 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 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 cy 2304nz z x x - x x
cy2304nz document number: 38-07099 rev. *h page 5 of 8 package diagram figure 5. 8-pin tssop (4.40 mm body) z0 8.173/zz08.173 package outline, 51-85093 51-85093 *d
cy2304nz document number: 38-07099 rev. *h page 6 of 8 acronyms document conventions units of measure acronym description pci peripheral component interconnect tssop thin-shrink small outline package symbol unit of measure c degree celsius hz hertz mhz megahertz a microampere ma milliampere ms millisecond mv millivolt ns nanosecond ? ohm % percent pf picofarad ps picosecond vvolt wwatt
cy2304nz document number: 38-07099 rev. *h page 7 of 8 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 description of change ** 111420 02/12/02 ika new data sheet. *a 118610 09/25/02 hwt updated ordering information : added industrial temperature range in the ordering information. *b 121820 12/14/02 rbi updated operating conditions : added t pu parameter and its details. *c 291098 see ecn rgl updated switching characteristics : specified typical value for ?out put 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 updated maximum ratings : removed ?static discharge voltage? and its related information. updated package diagram : spec 51-85093 ? changed revision from *c to *d. *g 4103402 08/23/2013 mnsb updated operating conditions : added note 1 and referred the same note in t pu parameter. updated in new template. *h 4312848 03/18/2014 cinm no technical updates. completing sunset review.
document number: 38-07099 rev. *h revised march 18, 2014 page 8 of 8 all products and company names mentioned in this document may be the trademarks of their respective holders. cy2304nz ? cypress semiconductor corporation, 2002-2014. the information contained herein is subject to change without notice. cypress s emiconductor 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 wi th 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 subj ect to worldwide patent protection (united states and foreign), united states copyright laws and internatio nal 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 su pport 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 repre sentation 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 t he 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 authori ze 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? prod uct 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. sales, solutions, and legal information worldwide sales and design support cypress maintains a worldwide network of offices, solution center s, manufacturer?s representatives, and distributors. to find t he office closest to you, visit us at cypress locations . products automotive cypress.co m/go/automotive clocks & buffers cypress.com/go/clocks interface cypress. com/go/interface lighting & power control cypress.com/go/powerpsoc cypress.com/go/plc memory cypress.com/go/memory psoc cypress.com/go/psoc touch sensing cyp ress.com/go/touch usb controllers cypress.com/go/usb wireless/rf cypress.com/go/wireless psoc ? solutions psoc.cypress.com/solutions psoc 1 | psoc 3 | psoc 4 | psoc 5lp cypress developer community community | forums | blogs | video | training technical support cypress.com/go/support
|
