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参数资料
| 型号： | ICS87952AYILF |
| 元件分类： | 时钟及定时 |
| 英文描述： | PLL BASED CLOCK DRIVER, 11 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32 |
| 封装： | 7 X 7 MM, 1.40 MM HEIGHT, MS-026, LQFP-32 |
| 文件页数： | 1/9页 |
| 文件大小： | 119K |
| 代理商： | ICS87952AYILF |
87952AYI
www.icst.com/products/hiperclocks.html
REV. A DECEMBER 12, 2002
1
Integrated
Circuit
Systems, Inc.
ICS87952I
LOW SKEW, 1-TO-11
LVCMOS / LVTTL CLOCK MULTIPLIER/ZERO DELAY BUFFER
PRELIMINARY
BLOCK DIAGRAM
PIN ASSIGNMENT
24 23 22 21 20 19 18 17
1
2
3
4
5
6
7
8
25
26
27
28
29
30
31
32
16
15
14
13
12
11
10
9
VDDO
QA2
QA1
GNDO
QA0
VDD
VDDA
nPLL_EN
VDDO
QB2
QB3
GNDO
QC0
QC1
VDDO
VCO_SEL
F_SELC
F_SELB
F_SELA
MR/nOE
REF_CLK
GNDI
FB_IN
ICS87952I
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y package
Top View
PHASE
DETECTOR
nPLL_EN
REF_CLK
FB_IN
VCO_SEL
F_SELA
F_SELB
F_SELC
MR/nOE
QA0
QA1
QA2
QA3
QA4
QB0
QB1
QB2
QB3
GENERAL DESCRIPTION
The ICS87952I is a low voltage, low skew LVCMOS/
LVTTL clock generator and a member of the
HiPerClockS family of High Performance Clock
Solutions from ICS. With output frequencies up to
180MHz, the ICS87952I is targeted for high
performance clock applications. Along with a fully integrated PLL,
the ICS87952I contains frequency configurable outputs and an
external feedback input for regenerating clocks with “zero delay”.
For test and system debug purposes, the nPLL_EN input al-
lows the PLL to be bypassed. When HIGH, the MR/nOE input
resets the internal dividers and forces the outputs to the high
impedance state.
The low impedance LVCMOS/LVTTL outputs of the ICS87952I
are designed to drive terminated transmission lines. The effec-
tive fanout of each output can be doubled by utilizing the ability
of each output to drive two series terminated transmission lines.
FEATURES
Fully integrated PLL
11 LVCMOS / LVTTL outputs, 7 typical output impedance
LVCMOS / LVTTL REF_CLK input
Output frequency range up to 180MHz at V
DD = 3.3V ± 5%
VCO range: 200MHz to 480MHz
External feedback for “zero delay” clock regeneration
Cycle-to-cycle jitter: 100ps (typical)
3.3V supply voltage
-40°C to 85°C ambient operating temperature
Compatible with MPC952
HiPerClockS
,&6
QC0
QC1
÷4/÷6
÷4/÷2
÷2/÷4
÷2
VCO
200-480MHz
LFP
GNDO
QB1
QB0
V
DDO
V
DDO
QA4
QA3
GNDO
0
1
0
The Preliminary Information presented herein represents a product in prototyping or pre-production. The noted characteristics are based on initial
product characterization. Integrated Circuit Systems, Incorporated (ICS) reserves the right to change any circuitry or specifications without notice.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ICS87972DYI-147LF | 功能描述:IC CLK MULT/ZD BUFFER 52-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
| ICS87972DYI-147LFT | 功能描述:IC CLK MULT/ZD BUFFER 52-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
| ICS87972DYILF | 功能描述:IC CLK MULT/ZD BUFFER 52-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
| ICS87972DYILFT | 功能描述:IC CLK MULT/ZD BUFFER 52-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
| ICS87973DYI-147LF | 功能描述:IC CLK MULT/ZD BUFFER 52TQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟发生器，PLL，频率合成器 系列:HiPerClockS™ 标准包装:1,000 系列:- 类型:时钟/频率合成器，扇出分配 PLL:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 除法器/乘法器:- 电源电压:- 工作温度:- 安装类型:表面贴装 封装/外壳:56-VFQFN 裸露焊盘 供应商设备封装:56-VFQFP-EP（8x8） 包装:带卷 (TR) 其它名称:844S012AKI-01LFT |
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