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| CY2304NZ 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 * 3.3V operation * 60 ps typical output-output skew BUF_IN L H L H Functional Description The CY2304NZ is a low-cost buffer designed to distribute high-speed clocks for PCI-X and other applications. The device operates at 3.3V and outputs can run up to 140 MHz. Table 1. Function Table Inputs OE L L H H Outputs Output [1:4] L L L H Block Diagram OE BUF_IN OUTPUT1 OUTPUT2 OUTPUT3 OUTPUT4 Logic Control Pin Configuration 8 TSSOP Top View BUF_IN OE OUTPUT1 GND 1 2 3 4 8 7 6 5 OUTPUT4 OUTPUT3 VDD OUTPUT2 Pin Description for CY2304NZ Signal VDD GND BUF_IN OUTPUT [1:4] OE Pin 6 4 1 3, 5, 7, 8 2 3.3V voltage supply Ground Input clock Outputs Input pin for output enable, active HIGH. Description Cypress Semiconductor Corporation Document #: 38-07099 Rev. *C * 3901 North First Street * San Jose, CA 95134 * 408-943-2600 Revised January 04, 2005 CY2304NZ Maximum Ratings Supply Voltage to Ground Potential ........-0.5V to VDD +0.5V DC Input Voltage (Except REF) .............-0.5V to VDD +0.5V DC Input Voltage REF.............................-0.5V to VDD +0.5V Storage Temperature ................................. -65C to +150C Max. Soldering Temperature (10 sec.) ....................... 260C Junction Temperature ................................................. 150C Static Discharge Voltage (per MIL-STD-883, Method 3015) ........................... > 2,000V Operating Conditions Parameter VDD TA CL CIN tPU Supply Voltage Operating Temperature (Ambient Temperature) Load Capacitance Input Capacitance Power-up time for all VDD's to reach minimum specified voltage (power ramps must be monotonic) Description Min. 3.0 -40 - - DC 0.05 Max. 3.6 85 25 7 140 50 Unit V C pF pF MHz ms BUF_IN, OUTPUT [1:4] Operating Frequency Electrical Characteristics Parameter VIL VIH IIL IIH VOL VOH IDD Description Input LOW Voltage[1] Input HIGH Voltage[1] VIN = 0V VIN = VDD IOL = 24 mA IOL = 12 mA Output HIGH Voltage[2] Supply Current IOH = -24 mA IOH = -12 mA Unloaded outputs at 66.66 MHz Input LOW Current Input HIGH Current Output LOW Voltage[2] Test Conditions Min. - 2.0 -5 -5 - - 2.0 2.4 - Max. 0.8 - 5 5 0.8 0.55 - - 25 Unit V V A A V V V V mA Switching Characteristics[3] for Commercial and Industrial Temperature Devices Parameter Duty t3 t4 t5 t6 Name Cycle[2] = t2 / t1 Rise Time[2] Fall Time[2] Output to Output Skew[2] Propagation Delay, BUF_IN Rising Edge to OUTPUT Rising Edge[2] Description Measured at 1.5V Measured between 0.8V and 2.0V Measured between 0.8V and 2.0V All outputs equally loaded Measured at VDD/2 Min. 40.0 - - - 2.5 Typ. 50.0 - - 60 3.5 Max. 60.0 1.50 1.50 100 5 Unit % ns ns ps ns Switching Waveforms Duty Cycle Timing t1 t2 1.5V 1.5V 1.5V 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 #: 38-07099 Rev. *C Page 2 of 5 CY2304NZ Switching Waveforms (continued) All Outputs Rise/Fall Time OUTPUT 2.0V 0.8V t3 2.0V 0.8V t4 3.3V 0V Output-Output Skew OUTPUT 1.5V OUTPUT t5 1.5V Input-Output Propagation Delay INPUT VDD/2 OUTPUT t6 VDD/2 Ordering Information Ordering Code Standard CY2304NZZC-1 CY2304NZZC-1T CY2304NZZI-1 CY2304NZZI-1T Lead-free CY2304NZZXC-1 CY2304NZZXC-1T CY2304NZZXI-1 CY2304NZZXI-1T 8-pin TSSOP 8-pin TSSOP - Tape and Reel 8-pin TSSOP 8-pin TSSOP - Tape and Reel Commercial, 0C to 70C Commercial, 0C to 70C Industrial, -40C to 85C Industrial, -40C to 85C 8-pin TSSOP 8-pin TSSOP - Tape and Reel 8-pin TSSOP 8-pin TSSOP - Tape and Reel Commercial, 0C to 70C Commercial, 0C to 70C Industrial, -40C to 85C Industrial, -40C to 85C Package Type Operating Range Document #: 38-07099 Rev. *C Page 3 of 5 CY2304NZ Package Diagram 8-Lead Thin Shrunk Small Outline Package (4.40 MM Body) Z8 PIN 1 ID 1 DIMENSIONS IN MM[INCHES] MIN. MAX. 6.25[0.246] 6.50[0.256] 4.30[0.169] 4.50[0.177] 8 0.19[0.007] 0.30[0.012] 0.65[0.025] BSC. 1.10[0.043] MAX. 0.25[0.010] BSC GAUGE PLANE 0-8 0.85[0.033] 0.95[0.037] 2.90[0.114] 3.10[0.122] 0.076[0.003] 0.05[0.002] 0.15[0.006] SEATING PLANE 0.50[0.020] 0.70[0.027] 0.09[[0.003] 0.20[0.008] 51-85093-*A All product and company names mentioned in this document are the trademarks of their respective holders. Document #: 38-07099 Rev. *C Page 4 of 5 (c) Cypress Semiconductor Corporation, 2004. 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. CY2304NZ Document History Page Document Title: CY2304NZ Four Output PCI-X and General Purpose Buffer Document Number: 38-07099 REV. ** *A *B *C ECN NO. 111420 118610 121820 291098 Issue Date 02/12/02 09/25/02 12/14/02 See ECN Orig. of Change IKA HWT RBI RGL New data sheet Added Industrial Temperature Range in the Ordering Information Power-up requirements added to Operating Conditions Information Added Lead-free Devices Specified typical value for output-output skew Description of Change Document #: 38-07099 Rev. *C Page 5 of 5 |
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