13715-101 데이터 시트보기 (PDF) - AMI Semiconductor
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13715-101 Datasheet PDF : 7 Pages
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AMERICAN MICROSYSTEMS, INC.
FS61429-01
1-PLL LVPECL Clock Generator IC
November 2000
Preliminary Information
1.0 Features
• Single PLL with differential 3.3V LVPECL output
driver
• Spread-spectrum modulation for reduced EMI:
-0.5% downspread modulation at 31.5kHz
• ROM-based (fixed-frequency) version of the pro-
grammable FS71429
• Internal crystal reference oscillator and integrated
loop filter require no external components
• Accepts 5MHz to 27MHz crystal resonators
• Available in 28-pin (0.300”) SOIC
2.0 Description
The FS61429 is a CMOS clock generator IC with a differ-
ential high-speed LVPECL output designed to for a vari-
ety of high speed electronic systems. This device is a
ROM-based (fixed-frequency) version of the programma-
ble FS71429 clock generator.
Figure 1: Pin Configuration
n/c 1
n/c 2
n/c 3
n/c 4
n/c 5
n/c 6
n/c 7
n/c 8
n/c 9
SSC_0 10
SSC_1 11
VSS 12
TEST_IO 13
VDD 14
28 n/c
27 VDD
26 XOUT
25 XIN
24 n/c
23 n/c
22 VDD_A
21 VSS_A
20 n/c
19 n/c
18 VDD_O
17 FOUTP
16 FOUTN
15 VSS_O
Figure 2: Block Diagram
Reference
Divider
XIN
XOUT
SSC_0
SSC_1
Crystal
Oscillator
Control
Logic
Phase
Detector
Charge
Pump
VCO
Loop
Filter
Feedback
Divider
Post
Divider
T
E
S
T
FS61429
VDD_O
FOUTP
FOUTN
VSS_O
TEST_IO
This document contains information on a preproduction product. Specifications and information herein are subject to change without notice.
ISO9001
QS9000
11.10.00
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