参数资料
型号: ICS841664AGILF
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/19页
文件大小: 0K
描述: IC CLOCK GENERATOR 28-TSSOP
标准包装: 48
系列: HiPerClockS™, FemtoClock™
类型: 时钟发生器,扇出配送,多路复用器
PLL: 带旁路
输入: LVCMOS,LVTTL,晶体
输出: HCSL,LVCMOS,LVTTL
电路数: 1
比率 - 输入:输出: 2:5
差分 - 输入:输出: 无/是
频率 - 最大: 156.25MHz
除法器/乘法器: 是/无
电源电压: 3.135 V ~ 3.465 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-TSSOP(0.240",6.10mm 宽)
供应商设备封装: 28-TSSOP
包装: 管件
其它名称: 800-2386-5
841664AGILF
ICS841664AGILF-ND
DATA SHEET
ICS841664AGI REVISION A JULY 15, 2013
1
2013 Integrated Device Technology, Inc.
FemtoClock Crystal-to-HCSL
Clock Generator
ICS841664I
0
1
0
÷
÷NA
÷NB
OSC
FemtoClock
PLL
VCO = 625MHz
M = 25
fref
XTAL_IN
25MHz
XTAL_OUT
REF_IN
REF_SEL
IREF
BYPASS
FSEL[0:1]
MR/nOE
nREF_OE
QB0
nQB0
QB1
nQB1
QA0
nQA0
QA1
nQA1
REF_OUT
Pulldown
Pullup
1
2
3
4
5
6
7
nREF_OE
REF_OUT
GND
BYPASS
8
9
10
11
12
13
14
QA
VDDA
VDD
nQA
GND
QA
REF_IN
V DDOA
REF_ SEL
XTAL _IN
XTAL_OUT
28
27
26
25
24
23
22
21
20
19
18
17
16
15
IREF
FSEL
QB
GND
MR/nOE
FSEL
nQB
V DDOB
V DD
GND
1
nQA1
QB1
nQB1
00
0
1
General Description
The ICS841664I is an optimized sRIO clock generator and a
member of the family of high-performance clock solutions from IDT.
The device uses a 25MHz parallel crystal to generate 125MHz and
156.25MHz clock signals, replacing solution requiring multiple
oscillator and fanout buffer solutions. The device has excellent phase
jitter (<1ps RMS) suitable to clock components requiring precise and
low-jitter sRIO clock signals. Designed for telecom, networking and
industrial application, the ICS841664I can also drive the high-speed
sRIO SerDes clock inputs of communication processors, DSPs,
switches and bridges.
Features
Four differential HCSL clock outputs: configurable for sRIO
(125MHz or 156.25MHz) clock signals
One REF_OUT LVCMOS/LVTTL clock output
Selectable crystal oscillator interface, 25MHz, 18pF parallel
resonant crystal or LVCMOS/LVTTL single-ended reference clock
input or LVCMOS/LVTTL single-ended input
Supports the following output frequencies: 125MHz or 156.25MHz
VCO: 625MHz
Supports PLL bypass and output enable functions
RMS phase jitter, using a 25MHz crystal (1.875MHz - 20MHz):
0.45ps (typical) @ 125MHz
Full 3.3V power supply mode
-40°C to 85°C ambient operating temperature
Lead-free (RoHS 6) packaging
ICS841664I
28-Lead TSSOP
6.1mm x 9.7mm x 0.925mm
package body
G Package
Top View
Pin Assignment
Block Diagram
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