参数资料
| 型号： | SY89429AZC TR |
| 厂商： | Micrel Inc |
| 文件页数： | 4/9页 |
| 文件大小： | 0K |
| 描述： | IC SYNTHESIZER FREQ PROGR 28SOIC |
| 标准包装： | 1,000 |
| 系列： | Precision Edge® |
| 类型： | 频率合成器 |
| PLL： | 是 |
| 输入： | PECL，晶体 |
| 输出： | PECL |
| 电路数： | 1 |
| 比率 - 输入:输出： | 1:1 |
| 差分 - 输入:输出： | 无/是 |
| 频率 - 最大： | 800MHz |
| 除法器/乘法器： | 是/无 |
| 电源电压： | 3.135 V ~ 5.25 V |
| 工作温度： | 0°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 28-SOIC（0.295"，7.50mm 宽） |
| 供应商设备封装： | 28-SOIC |
| 包装： | 带卷 (TR) |
| 其它名称： | SY89429AZCTR SY89429AZCTR-ND |
4
Precision Edge
SY89429A
Micrel, Inc.
in 50. The positive reference for the output driver is provided by
a dedicated power pin (VCC_OUT) to reduce noise and provide
application flexibility.
The configuration logic has two sections: serial and parallel.
The parallel interface uses the values at the M[8:0] and N[1:0]
inputs to configure the internal counters. Normally upon system
reset, the P_LOAD input is held LOW until sometime after power
becomes valid. With S_LOAD held LOW, on the LOW-to-HIGH
transition of P_LOAD, the parallel inputs are captured. The parallel
interface has priority over the serial interface. Internal pull-up
resistors are provided on the M[8:0] and N[1:0] inputs to reduce
component count.
The serial interface logic is implemented with a 14-bit shift
register scheme. The register shifts once per rising edge of the
S_CLOCK input. The serial input S_DATA must meet set-up and
hold timing as specified in the AC parameters section of this
data sheet. With P_LOAD held HIGH, the configuration latches
will capture the value in the shift register on the HIGH-to-LOW
edge of the S_LOAD input. See the programming section for more
information.
The TEST output reflects various internal node values and is
controlled by the T[2:0] bits in the serial data stream. See the
programming section for more information.
Symbol
Parameter
Value
Unit
VCC
Power Supply Voltage
–0.5 to +7.0
V
VI
Input Voltage
–0.5 to +7.0
V
IOUT
Output Source
Continuous
50
mA
Surge
100
Tstore
Storage Temperature
–65 to +150
°C
TA
Operating Temperature
–0 to +75
°C
WITH 16MHZ INPUT
ABSOLUTE MAXIMUM RATINGS(1)
NOTE:
1. Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. This is a stress rating only and functional operation is not implied at
conditions other than those detailed in the operational sections of this data sheet. Exposure to ABSOLUTE MAXIMUM RATlNG conditions for extended periods
may affect device reliability.
The internal oscillator uses the external quartz crystal as the
basis of its frequency reference. The output of the reference
oscillator is divided by eight before being sent to the phase
detector. With a 16MHz crystal, this provides a reference
frequency of 2MHz.
TheVCOwithinthePLLoperatesoverarangeof400–800MHz.
Its output is scaled by a divider that is configured by either the
serial or parallel interfaces. The output of this loop divider is also
applied to the phase detector.
The phase detector and loop filter force the VCO output
frequency to be M times the reference frequency by adjusting
the VCO control voltage. Note that for some values of M (either
too high or too low) the PLL will not achieve loop lock. External
loop filter components are utilized to allow for optimal phase
jitter performance.
The output of the VCO is also passed through an output divider
before being sent to the PECL output driver. The output divider
is configured through either the serial or the parallel interfaces
and can provide one of four divider ratios (2, 4, 8 or 16). This
divider extends the performance of the part while providing a
50% duty cycle.
The output driver is driven differentially from the output divider
and is capable of driving a pair of transmission lines terminated
FUNCTIONAL DESCRIPTION
VCO Frequency
256
128
64
32
16
8
4
2
1
(MHz)
M Count
M8
M7
M6
M5
M4
M3
M2
M1
M0
400
200
0
1
0
1
0
402
201
0
1
0
1
0
1
404
202
0
1
0
1
0
1
0
406
203
0
1
0
1
0
1
794
397
1
0
1
0
1
796
398
1
0
1
0
798
399
1
0
1
800
400
1
0
1
0
相关PDF资料 |
PDF描述 |
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| SY89429VZC TR | IC SYNTHESIZER FREQ PROGR 28SOIC |
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| SY89465UMY TR | IC CLOCK MUX 2:10 2GHZ 44-MLF |
| SY89467UHY TR | IC CLK BUFF MUX 2:20 2GHZ 64TQFP |
相关代理商/技术参数 |
参数描述 |
|---|---|
| SY89429AZH | 功能描述:时钟合成器/抖动清除器 Programmable Frequency Synthesizer (25-400MHz) (Green) RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| SY89429AZH TR | 功能描述:时钟合成器/抖动清除器 Programmable Frequency Synthesizer (25-400MHz) (Green) RoHS:否 制造商:Skyworks Solutions, Inc. 输出端数量: 输出电平: 最大输出频率: 输入电平: 最大输入频率:6.1 GHz 电源电压-最大:3.3 V 电源电压-最小:2.7 V 封装 / 箱体:TSSOP-28 封装:Reel |
| SY89429AZHTR | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:PROGRAMMABLE FREQUENCY SYNTHESIZER (25MHz to 400MHz) |
| SY89429V | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:5V/3.3V PROGRAMMABLE FREQUENCY SYNTHESIZER 25MHz to 400MHz |
| SY89429V_06 | 制造商:MICREL 制造商全称:Micrel Semiconductor 功能描述:5V/3.3V PROGRAMMABLE FREQUENCY SYNTHESIZER (25MHz to 400MHz) |
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