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S4503A PDF预览

S4503A

更新时间: 2024-09-09 21:20:59
品牌 Logo 应用领域
AMCC 时钟信息通信管理外围集成电路晶体
页数 文件大小 规格书
10页 115K
描述
Clock Generator, 300MHz, BICMOS, PQCC28, PLASTIC, LCC-28

S4503A 技术参数

生命周期:Obsolete零件包装代码:QLCC
包装说明:QCCJ, LDCC28,.5SQ针数:28
Reach Compliance Code:unknownECCN代码:EAR99
HTS代码:8542.39.00.01风险等级:5.81
JESD-30 代码:S-PQCC-J28长度:11.4681 mm
端子数量:28最高工作温度:70 °C
最低工作温度:最大输出时钟频率:300 MHz
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装等效代码:LDCC28,.5SQ封装形状:SQUARE
封装形式:CHIP CARRIER电源:5 V
主时钟/晶体标称频率:25 MHz认证状态:Not Qualified
子类别:Clock Generators最大压摆率:210 mA
最大供电电压:5.25 V最小供电电压:4.75 V
标称供电电压:5 V表面贴装:YES
技术:BICMOS温度等级:COMMERCIAL
端子形式:J BEND端子节距:1.27 mm
端子位置:QUAD宽度:11.4681 mm
uPs/uCs/外围集成电路类型:CLOCK GENERATOR, OTHERBase Number Matches:1

S4503A 数据手册

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®
DEVICE SPECIFICATION  
S4503  
BiCMOS CLOCK SYNTHESIZER  
FEATURES  
GENERAL DESCRIPTION  
• Multiplies input reference frequency by  
integers 2–32  
The S4503 is a clock synthesizer which utilizes  
phase-locked loop technology to provide two (2) in-  
dependently selectable output frequencies in the 10  
MHz to 300 MHz range. A reference input may be  
provided by either a low cost crystal or a TTL fre-  
quency source.  
• Digitally programmable output clock  
frequencies from 10 MHz to 300 MHz  
• Two (2) groups of independent clock outputs  
– One group consists of differential PECL  
outputs  
The first of the two (2) output frequency groups con-  
sists of a pair of differential PECL (Positive refer-  
enced ECL) outputs which will operate up to 300  
MHz. The second group (TTL) consist of two outputs  
with selectable frequency, up to 80 MHz.  
– One group is a pair of TTL outputs  
• Proprietary TTL output drivers with:  
– Complementary 24 mA peak outputs,  
source and sink  
The final frequency for each group is digitally se-  
lected via three programmable counters. One  
counter is used to set the internal VCO frequency  
between 150 MHz to 300 MHz, and the others are  
used to divide the VCO frequency from 2 thru 16  
(TTL) and 1, 2 or 4 (PECL).  
– Source series termination  
– Edge rates less than 1.5 ns  
• Low 250 ps reference typ clock jitter  
(PECL outputs), 400 ps max  
• 1.1 mW or less power dissipation, frequency  
and load dependent  
All phase-locked loop elements are provided on chip  
with the exception of the passive components  
needed for the loop filter function and VCO.  
• 150 MHz to 300 MHz phase-locked loop VCO  
frequency range  
• Advanced BiCMOS process technology  
• Space saving 28 PLCC package  
Figure 1. Logic Diagram  
XTALIN  
XTAL  
DRIVER  
RCOMP  
VCCA  
RF-CENTER  
RSPAN  
CCOMP  
XTALOUT  
GNDA  
COMP  
R
REXT1 REXT2 KVCO  
VCO  
U
POUT  
CHARGE  
PUMP  
PHASE  
DET  
PECL  
OUT  
P COUNTER  
(150-300 MHz)  
D
(0, 1, 2, 4)  
POUTN  
F
T1 COUNTER  
(0, 2 to 16)  
TTL  
OUT  
M COUNTER  
2 to 32  
TOUT1  
LATCHES  
VCC  
GND  
TTL  
OUT  
TOUT1A  
VCCA  
GNDA  
Applied Micro Circuits Corporation  
6195 Lusk Blvd., San Diego, CA 92121 • (619) 450-9333  
Page 1  

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