CY2304NZ 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 3.3V and outputs can run up to 140 MHz. • General-purpose or PCI-X clock buffer • Buffers all frequencies from DC to 140 MHz Table 1. Function Table • Output-to-output skew less than 100 ps Inputs • Space-saving 8-pin TSSOP package • 3.3V operation Outputs BUF_IN OE Output [1:4] L H L H L L H H L L L H • 60 ps typical output-output skew Block Diagram Pin Configuration Logic Control OE BUF_IN 8 TSSOP Top View OUTPUT1 OUTPUT2 BUF_IN OE 1 8 2 7 OUTPUT3 OUTPUT1 GND 3 6 4 5 OUTPUT4 OUTPUT3 VDD OUTPUT2 OUTPUT4 Pin Description for CY2304NZ Signal Pin Description VDD 6 3.3V voltage supply GND 4 Ground 1 Input clock BUF_IN OUTPUT [1:4] OE 3, 5, 7, 8 Outputs 2 Cypress Semiconductor Corporation Document #: 38-07099 Rev. *C Input pin for output enable, active HIGH. • 3901 North First Street • San Jose, CA 95134 • 408-943-2600 Revised January 04, 2005 CY2304NZ Maximum Ratings Storage Temperature ................................. –65°C to +150°C Max. Soldering Temperature (10 sec.) ....................... 260°C Supply Voltage to Ground Potential ........–0.5V to VDD +0.5V Junction Temperature ................................................. 150°C DC Input Voltage (Except REF) .............–0.5V to VDD +0.5V Static Discharge Voltage (per MIL-STD-883, Method 3015) ........................... > 2,000V DC Input Voltage REF.............................–0.5V to VDD +0.5V 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 – 7 pF BUF_IN, OUTPUT [1:4] Operating Frequency DC 140 MHz tPU 0.05 50 ms Power-up time for all VDD's to reach minimum specified voltage (power ramps must be monotonic) Electrical Characteristics Parameter Description VIL Input LOW Voltage[1] VIH Input HIGH Voltage[1] IIL Input LOW Current Test Conditions Min. Max. Unit – 0.8 V 2.0 – V VIN = 0V –5 5 µA IIH Input HIGH Current VIN = VDD –5 5 µA VOL Output LOW Voltage[2] IOL = 24 mA – 0.8 V – 0.55 V VOH Output HIGH Voltage[2] IOH = –24 mA 2.0 – V IOH = –12 mA 2.4 – V IDD Supply Current Unloaded outputs at 66.66 MHz – 25 mA Max. Unit IOL = 12 mA Switching Characteristics[3] for Commercial and Industrial Temperature Devices Parameter Name Duty Cycle[2] Description = t2 ÷ t1 Measured at 1.5V Min. Typ. 40.0 50.0 60.0 % t3 Rise Time[2] Measured between 0.8V and 2.0V – – 1.50 ns t4 Fall Time[2] Measured between 0.8V and 2.0V – – 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 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 2.0V 0.8V t3 3.3V 0V t4 Output-Output Skew OUTPUT 1.5V 1.5V OUTPUT t5 Input-Output Propagation Delay INPUT VDD/2 VDD/2 OUTPUT t6 Ordering Information Ordering Code Package Type Operating Range Standard CY2304NZZC-1 8-pin TSSOP Commercial, 0°C to 70°C CY2304NZZC-1T 8-pin TSSOP – Tape and Reel Commercial, 0°C to 70°C 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 Lead-free 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 0.65[0.025] BSC. 0.19[0.007] 0.30[0.012] 1.10[0.043] MAX. 0.25[0.010] BSC GAUGE PLANE 0°-8° 0.076[0.003] 0.85[0.033] 0.95[0.037] 2.90[0.114] 3.10[0.122] 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 © 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. 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 Document #: 38-07099 Rev. *C Page 5 of 5