4NZ
CY2304NZ
Four Output PCI-X and General Purpose Buffer
Features
鈥?One input to four output buffer/driver
鈥?General-purpose or PCI-X clock buffer
鈥?Buffers all frequencies from DC to 140 MHz
鈥?Output-to-output skew less than 100 ps
鈥?Space-saving 8-pin TSSOP package
鈥?3.3V operation
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
V
DD
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. *B
鈥?/div>
3901 North First Street
鈥?/div>
San Jose
鈥?/div>
CA 95134 鈥?408-943-2600
Revised December 14, 2002
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