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参数资料
| 型号： | CY2077 |
| 厂商： | Cypress Semiconductor Corp. |
| 英文描述： | High-accuracy EPROM Programmable Single-PLL Clock Generator(高精度EPROM，可编程单PLL时钟发生器) |
| 中文描述： | 高精度可编程存储器单PLL时钟发生器（高精度存储器，可编程单锁相环时钟发生器） |
| 文件页数： | 1/13页 |
| 文件大小： | 268K |
| 代理商： | CY2077 |
High-accuracy EPROM Programmable
Single-PLL Clock Generator
CY2077
Cypress Semiconductor Corporation
Document #: 38-07210 Rev. *B
3901 North First Street
San Jose
CA 95134
Revised December 07, 2002
408-943-2600
Features
Benefits
High-accuracy PLL with 12-bit multiplier and 10-bit
divider
EPROM-programmability
3.3V or 5V operation
Operating frequency
—390 kHz–133 MHz at 5V
—390 kHz–100 MHz at 3.3V
Reference input from either a 10–30 MHz fundamental
toned crystal or a 1–75 MHz external clock
Enables synthesis of highly accurate and stable output clock
frequencies with zero PPM
Enables quick turnaround of custom frequencies
Supports industry standard design platforms
Services most PC, networking, and consumer applications
Lowers cost of oscillator as PLL can be programmed to a high
frequency using either a low-frequency, low-cost crystal, or an
existing system clock
Duty cycle centered at 1.5V or V
/2
Provides flexibility to service most TTL or CMOS applications
Provides flexibility in output configurations and testing
EPROM-selectable TTL or CMOS duty-cycle levels
Sixteen selectable post-divide options, using either PLL
or reference oscillator/external clock
Programmable PWR_DWN or OE pin, with
asynchronous or synchronous modes
Enables low-power operation or output enable function and
flexibility for system applications, through selectable instanta-
neous or synchronous change in outputs
Suitable for most PC, consumer, and networking applications
Low jitter outputs typically
—80 ps at 3.3V/5V
Controlled rise and fall times and output slew rate
Available in both commercial and industrial
temperature ranges
Factory-programmable device options
Has lower EMI than oscillators
Suitable to fit most applications
Easy customization and fast turnaround
O
Logic Block Diagram
XTALIN
or
external clock
PWR_DWN
Configuration
EPROM
C
CLKOUT
/ 1, 2, 4, 8, 16, 32, 64, 128
or OE
MUX
HIGH
ACCURACY
PLL
1
2
3
4
5
8
7
6
V
DD
XTALOUT
XTALIN
PD/OE
V
SS
V
SS
V
SS
CLKOUT
8-pin
Top View
Q
10 bits
P
12 bits
P
Charge
Pump
VCO
Pin Configuration
Note:
1.
When using an external clock source, leave XTALOUT floating.
XTALOUT
[1]
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| CY2081 | Three-PLL General-Purpose EPROM-Programmable Clock Generator |
| CY2081SC-XXX | Three-PLL General-Purpose EPROM-Programmable Clock Generator |
| CY2081SL-XXX | Three-PLL General-Purpose EPROM-Programmable Clock Generator |
| CY2210PVC-2 | 133-MHz Spread Spectrum Clock Synthesizer/Driver with AGP, USB, and DRCG Support |
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相关代理商/技术参数 |
参数描述 |
|---|---|
| CY2077_08 | 制造商:CYPRESS 制造商全称:Cypress Semiconductor 功能描述:High-accuracy EPROM Programmable Single-PLL Clock Generator |
| CY2077EFSXC | 制造商:Cypress Semiconductor 功能描述: |
| CY2077EFZZ | 制造商:Cypress Semiconductor 功能描述: |
| CY2077FS | 功能描述:IC CLOCK GEN PROG 8-SOIC RoHS:否 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:- 标准包装:39 系列:- 类型:* PLL:带旁路 输入:时钟 输出:时钟 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 频率 - 最大:170MHz 除法器/乘法器:无/无 电源电压:2.375 V ~ 3.465 V 工作温度:0°C ~ 70°C 安装类型:* 封装/外壳:* 供应商设备封装:* 包装:* |
| CY2077FSI | 制造商:Cypress Semiconductor 功能描述:Programmable PLL Clock Multiplier Single 0.39MHz to 133MHz 8-Pin SOIC |
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