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Four Output PCI-X and General Purpose Buffer
CY2304NZ
Cypress Semiconductor Corporation
•
3901 North First Street
•
San Jose
, CA 95134
•
408-943-2600
Document #: 38-07099 Rev. *C
Revised January 04, 2005
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
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
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
VDD
6
3.3V 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
1
2
3
4
5
6
7
8
BUF_IN
OE
OUTPUT1
GND
OUTPUT4
OUTPUT3
VDD
OUTPUT2
8 TSSOP
Top View
Pin Configuration
BUF_IN
OUTPUT2
OUTPUT3
OUTPUT4
OUTPUT1
OE
Logic
Control