参数资料
型号: ICS8761CYILF
元件分类: 时钟产生/分配
英文描述: 166.67 MHz, PROC SPECIFIC CLOCK GENERATOR, PQFP64
封装: 10 X 10 MM, 1.40 MM HEIGHT, ROHS COMPLIANT, MS-026BCD, LQFP-64
文件页数: 1/15页
文件大小: 442K
代理商: ICS8761CYILF
8761CYI
www.icst.com/products/hiperclocks.html
REV. B JANUARY 13, 2006
1
Integrated
Circuit
Systems, Inc.
ICS8761I
LOW VOLTAGE, LOW SKEW,
PCI / PCI-X CLOCK GENERATOR
OEA
MR
D_SELA0
D_SELA1
REF_CLK
XTAL_SEL
FB_IN
PLL_SEL
OEB
D_SELB1
D_SELB0
OEC
D_SELC1
D_SELC0
OED
D_SELD1
D_SELD0
FBDIV_SEL1
FBDIV_SEL0
GENERAL DESCRIPTION
The ICS8761I is a low voltage, low skew PCI / PCI-X
clock generator and a member of the
HiPerClockS family of High Performance Clock
Solutions from ICS. The ICS8761I has a select-
able REF_CLK or crystal input. The REF_CLK
input accepts LVCMOS or LVTTL input levels. The ICS8761I
has a fully integrated PLL along with frequency configurable
clock and feedback outputs for multiplying and regenerating
clocks with “zero delay”. Using a 20MHz or 25MHz crystal or
a 33.333MHz or 66.666MHz reference frequency, the
ICS8761I will generate output frequencies of 33.333MHz,
66.666MHz, 100MHz and 133.333MHz simultaneously.
The low impedance LVCMOS/LVTTL outputs of the ICS8761I
are designed to drive 50
Ω series or parallel terminated
transmission lines.
FEATURES
Fully integrated PLL
Seventeen LVCMOS/LVTTL outputs,
15
Ω typical output impedance
Selectable crystal oscillator interface
or LVCMOS/LVTTL REF_CLK
Maximum output frequency: 166.67MHz
Maximum crystal input frequency: 40MHz
Maximum REF_CLK input frequency: 83.33MHz
Individual banks with selectable output dividers
for generating 33.333MHz, 66.66MHz, 100MHz
and 133.333MHz simultaneously
Separate feedback control for generating PCI / PCI-X
frequencies from a 20MHz or 25MHz crystal or 33.333MHz
or 66.666MHz reference frequency
Cycle-to-cycle jitter: 70ps (maximum)
Period jitter, RMS: 17ps (maximum)
Output skew: 250ps (maximum)
Bank skew: 50ps (maximum)
Static phase offset: 0 ± 150ps (maximum)
Full 3.3V or 3.3V core, 2.5V multiple output supply modes
-40°C to 85°C ambient operating temperature
Available in both standard and lead-free RoHS-compliant
packages
HiPerClockS
ICS
BLOCK DIAGRAM
PIN ASSIGNMENT
XTAL1
XTAL2
QA0
QA1
QA2
QA3
QB0
QB1
QB2
QB3
FB_OUT
÷3
÷4
÷6
÷12
0 0
0 1
1 0
1 1
0
1
0 0
0 1
1 0
1 1
QC0
QC1
QC2
QC3
QD0
QD1
QD2
QD3
PLL
OSC
0
1
÷6
÷12
÷16
÷20
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
0 0
0 1
1 0
1 1
64-Lead LQFP
10mm x 10mm x 1.4mm package body
Y package
Top View
ICS8761I
REF_CLK
GND
XTAL1
XTAL2
VDD
XTAL_SEL
PLL_SEL
VDDA
VDD
D_SELC0
D_SELC1
OEC
OEA
D_SELA0
D_SELA1
GND
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
GND
FB_OUT
VDDOFB
FB_IN
VDD
FBDIV_SEL0
FBDIV_SEL1
MR
VDD
D_SELD0
D_SELD1
OED
OEB
D_SELB0
D_SELB1
GND
QA0
V
DDOA
QA1
GND
QA2
V
DDOA
QA3
GND
QB0
V
DDOB
QB1
GND
QB2
V
DDOB
QB3
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49
GND
QC0
V
DDOC
QC1
GND
QC2
V
DDOC
QC3
GND
QD0
V
DDOD
QD1
GND
QD2
V
DDOD
QD3
相关PDF资料
PDF描述
ICS87931BYI 87931 SERIES, PLL BASED CLOCK DRIVER, 6 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS87946AYI-01LF LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS87946AYI-01T LOW SKEW CLOCK DRIVER, 10 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP32
ICS87949AY-01LF LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
ICS87949AY-01 LOW SKEW CLOCK DRIVER, 15 TRUE OUTPUT(S), 0 INVERTED OUTPUT(S), PQFP48
相关代理商/技术参数
参数描述
ICS8761CYILFT 功能描述:IC CLK GEN PCI/PCI-X 64-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
ICS8761CYLF 功能描述:IC CLK GEN PCI/PCI-X 64-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:2,000 系列:- 类型:PLL 频率合成器 PLL:是 输入:晶体 输出:时钟 电路数:1 比率 - 输入:输出:1:1 差分 - 输入:输出:无/无 频率 - 最大:1GHz 除法器/乘法器:是/无 电源电压:4.5 V ~ 5.5 V 工作温度:-20°C ~ 85°C 安装类型:表面贴装 封装/外壳:16-LSSOP(0.175",4.40mm 宽) 供应商设备封装:16-SSOP 包装:带卷 (TR) 其它名称:NJW1504V-TE1-NDNJW1504V-TE1TR
ICS8761CYLFT 功能描述:IC CLK GEN PCI/PCI-X 64-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
ICS8792502AKILF 功能描述:IC CLK BUFFER ZD PLL 32VFQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™ 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP(0.209",5.30mm 宽) 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT
ICS8792502AKILFT 功能描述:IC CLK BUFFER ZD PLL 32VFQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 专用 系列:HiPerClockS™ 标准包装:1,500 系列:- 类型:时钟缓冲器/驱动器 PLL:是 主要目的:- 输入:- 输出:- 电路数:- 比率 - 输入:输出:- 差分 - 输入:输出:- 频率 - 最大:- 电源电压:3.3V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:28-SSOP(0.209",5.30mm 宽) 供应商设备封装:28-SSOP 包装:带卷 (TR) 其它名称:93786AFT