参数资料
型号: ICS87951AYIT
元件分类: 时钟及定时
英文描述: PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
封装: 7 X 7MM, 1.40 MM HEIGHT, MS-026, LQFP-32
文件页数: 1/13页
文件大小: 133K
代理商: ICS87951AYIT
87951AYI
www.icst.com/products/hiperclocks.html
REV. B JULY 10, 2003
1
Integrated
Circuit
Systems, Inc.
ICS87951I
LOW SKEW, 1-TO-9
DIFFERENTIAL-TO-LVCMOS/LVTTL ZERO DELAY BUFFER
GENERAL DESCRIPTION
HiPerClockS
,&6
FEATURES
The ICS87951I is a low voltage, low skew 1-to-9
Differential-to-LVCMOS/LVTTL Cock Generator
and a member of the HiPerClockS family of High
Performance Clock Solutions from ICS. The
ICS87951I has two selectable clock inputs. The
single ended clock input accepts LVCMOS or LVTTL input
levels. The CLK1, nCLK1 pair can accept most standard differ-
ential input levels. With output frequencies up to 180MHz, the
ICS87951I is targeted for high performance clock applications.
Along with a fully integrated PLL, the ICS87951I contains fre-
quency configurable outputs and an external feedback input for
regenerating clocks with “zero delay”.
Fully integrated PLL
9 single ended 3.3V LVCMOS/LVTTL outputs
Selectable single ended CLK0 or differential
CLK1, nCLK1 inputs
The single ended CLK0 input can accept the following
input levels: LVCMOS or LVTTL input levels
CLK1, nCLK1 supports the following input types:
LVDS, LVPECL, LVHSTL, SSTL, HCSL
Output frequency range: 25MHz to 180MHz
VCO range: 200MHz to 480MHz
External feedback for ”zero delay” clock regeneration
Cycle-to-cycle jitter: ±100ps (typical)
Output skew: 375ps (maximum)
PLL reference zero delay: 350ps window (maximum)
3.3V operating supply
-40°C to 85°C ambient operating temperature
Pin compatible with the MPC951
PIN ASSIGNMENT
QD2
V
DDO
QD3
GND
QD4
V
DDO
MR/nOE
nCLK1
32 31 30 29 28 27 26 25
9
10 11 12 13 14 15 16
1
2
3
4
5
6
7
8
24
23
22
21
20
19
18
17
QC0
VDDO
QC1
GND
QD0
VDDO
QD1
GND
VDDA
EXT_FB
DIV_SELA
DIV_SELB
DIV_SELC
DIV_SELD
GND
CLK1
GND
QB
V
DDO
QA
GND
CLK0
PLL_SEL
CLK_SEL
ICS87951I
32-Lead LQFP
7mm x 7mm x 1.4mm package body
Y package
Top View
相关PDF资料
PDF描述
ICS87951AYILFT PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS87951AYI PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS87951AYILF PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS87951AYI 87951 SERIES, PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS87951AY PLL BASED CLOCK DRIVER, 9 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
相关代理商/技术参数
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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