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参数资料
| 型号： | ICS840S07BYILFT |
| 厂商： | INTEGRATED DEVICE TECHNOLOGY INC |
| 元件分类： | 时钟产生/分配 |
| 英文描述： | 167.67 MHz, OTHER CLOCK GENERATOR, PQFP32 |
| 封装： | 7 X 7 MM, 1 MM HEIGHT, ROHS COMPLIANT, MS-026ABA, TQFP-32 |
| 文件页数： | 1/15页 |
| 文件大小： | 244K |
| 代理商： | ICS840S07BYILFT |
CRYSTAL-TO-LVCMOS/LVTTL
FREQUENCY SYNTHESIZER
ICS840S07I
IDT / ICS LVCMOS FREQUENCY SYNTHESIZER
1
ICS840S07BYI REV. A NOVEMBER 7, 2007
PRELIMINARY
0
1
PLL
VCO
2000MHz
M = ÷80
÷NAA
÷NAB
÷16
÷NB
OSC
3
2
3
QAA
QAB
QB0
QB1
QB2
REF_OUT0
REF_OUT1
SLEW[1:0]
REF_IN
REF_SEL
XTAL_IN
XTAL_OUT
25MHz
Pulldown
MR/nOE Pulldown
Pulldown
[2, 1] Pulldown / [0] Pullup
nREF_OE
F_SELB[2:0]
F_SELAA[2:0]
Pullup
GENERAL DESCRIPTION
The ICS840S07I is a seven output, Crystal or single
ended-to-LVCMOS/LVTTL Frequency Synthesizer
and a member of HiperClocks family of high
perfor mance clock solutions from IDT. The
ICS840S07I uses a 25MHz parallel resonant crystal
to generate 33.33MHz – 166.67MHz clock signals, replacing
solutions requiring multiple oscillator and fanout buffer solution.
The device supports output slew rate control with two slew select
pins (SLEW[1:0]). The VCO operates at a frequency of 2GHz.
The device has 3 output banks, Bank AA with one 33.33MHz –
166.67MHz LVCMOS/LVTTL output, Bank AB with one 125MHz
LVCMOS/LVTTL output and Bank B with three 33.33MHz –
166.67MHz LVCMOS/LVTTL outputs.
Bank AA and Bank B have their own dedicated frequency select
pins and can be independently set for the frequencies
mentioned above. The low phase noise characteristic of the
ICS840S07I makes it an ideal clock source for Gigabit Ethernet
application. Designed for networking and industrial applications,
the ICS840S07I can also drive the high-speed clock inputs of
communication processors, DSPs, switches and bridges.
HiPerClockS
ICS
BLOCK DIAGRAM
FEATURES
Five LVCMOS/LVTTL clock outputs,
15
Ω typical output impedance
Two REF_OUT LVCMOS/LVTTL clock outputs,
18
Ω typical output impedance
Selectable crystal oscillator interface, 25MHz, 18pF parallel
resonant crystal or LVCMOS/LVTTL single-ended reference
input
Supports the following output frequencies:
Bank AA/Bank B: 33.33MHz, 50MHz, 66.67MHz, 83.33,
100MHz, 125MHz, 133.33MHz and 166.67MHz
Bank AB: 125MHz
VCO: 2GHz
Slew rate control
RMS period jitter: TBD
Output supply modes:
Core/Output
3.3V/3.3V
3.3V/2.5V
-40°C to 85°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
PIN ASSIGNMENT
ICS840S07I
32-Lead TQFP, E-Pad
7mm x 7mm x 1.0mm
package body
Y package
Top View
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
GND
QAA
VDDO_AA
GND
QB0
QB1
QB2
VDDO_B
VDDA
VDD
XTAL-OUT
XTAL_IN
GND
REF_SEL
REF_IN
F_SELB2
F_SELB0
MR/nOE
F_SELB1
GND_REF
REF_OUT1
REF_OUT0
V
DDO
_
REF
nREF_OE
V
DDO
_
AB
QAB
GND
F_SELAA0
F_SELAA1
SLEW0
SLEW1
F_SELAA2
The Preliminary Information presented herein represents a product in pre-production. The noted characteristics are based on initial product characterization
and/or qualification. Integrated Device Technology, Incorporated (IDT) 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 |
|---|---|
| ICS841003AKI-02LF | 制造商:Integrated Device Technology Inc 功能描述: |
| ICS841202AK-245LF | 功能描述:IC CLOCK SYNTHESIZER 32-VFQFPN 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:- 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 |
| ICS841202AK-245LFT | 功能描述:IC CLOCK SYNTHESIZER 32-VFQFPN 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:- 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 |
| ICS841202AKI-245LF | 功能描述:IC CLOCK SYNTHESIZER 32-VFQFPN 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:- 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 |
| ICS841202AKI-245LFT | 功能描述:IC CLOCK SYNTHESIZER 32-VFQFPN 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:- 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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