參數(shù)資料
型號: ICS8701AY-01LF
廠商: IDT, Integrated Device Technology Inc
文件頁數(shù): 1/11頁
文件大小: 0K
描述: IC CLK GEN POLARITY CTRL 48-LQFP
標(biāo)準(zhǔn)包裝: 250
系列: HiPerClockS™
類型: 時鐘發(fā)生器,扇出配送,多路復(fù)用器
PLL:
輸入: LVCMOS,LVTTL
輸出: LVCMOS,LVTTL
電路數(shù): 1
比率 - 輸入:輸出: 1:20
差分 - 輸入:輸出: 無/無
頻率 - 最大: 250MHz
除法器/乘法器: 是/無
電源電壓: 3.135 V ~ 3.465 V
工作溫度: 0°C ~ 70°C
安裝類型: 表面貼裝
封裝/外殼: 48-LQFP
供應(yīng)商設(shè)備封裝: 48-TQFP(7x7)
包裝: 托盤
其它名稱: 8701AY-01LF
Low Skew, ÷1, ÷2 LVCMOS/ LVTTL
Clock Generator w/PolarIity Control
ICS8701-01
ICS8701AY-01 REVISION E MARCH 2, 2010
1
2010 Integrated Device Technology, Inc.
GENERAL DESCRIPTION
The ICS8701-01 is a low skew,
÷1, ÷2 LVCMOS/
LVTTL Clock Generator.
The low impedance
LVCMOS outputs are designed to drive 50
Ω series
or parallel terminated transmission lines. The effec-
tive fanout can be increased from 20 to 40 by utilizing
the ability of the outputs to drive two series terminated lines.
The divide select inputs, DIV_SELx, control the output frequency
of each bank. The outputs can be utilized in the ÷1, ÷2 or a combi-
nation of ÷1 and ÷2 modes. The master reset/output enable input,
nMR/OE, resets the internal dividers and controls the active and
high impedance states of all outputs. The output polarity inputs,
INV0:1, control the polarity (inverting or non-inverting) of the out-
puts of each bank. Outputs QA0:QA4 are inverting for every com-
bination of the INV0:1 input. The timing relationship between the
inverting and non-inverting outputs at different frequencies is
shown in the Timing Diagrams.
The ICS8701-01 is characterized at 3.3V and mixed 3.3V input
supply, and 2.5V output supply operating modes. Guaranteed
bank, output and part-to-part skew characteristics make the
ICS8701-01 ideal for those clock distribution applications demand-
ing well defined performance and repeatability.
FEATURES
Twenty LVCMOS/LVTTL outputs, 7
Ω typical output impedance
One LVCMOS/LVTTL clock input
Maximum output frequency: 250MHz
Selectable inverting and non-inverting outputs
Bank enable logic allows unused banks to be
disabled in reduced fanout applications
Output skew: 300ps (maximum)
Part-to-part skew: 700ps (maximum)
Bank skew: 250ps (maximum)
Multiple frequency skew: 350ps (maximum)
3.3V or mixed 3.3V input, 2.5V output operating supply
0°C to 70°C ambient operating temperature
Available in both standard (RoHS 5) and lead-free (RoHS 6)
packages
BLOCK DIAGRAM
PIN ASSIGNMENT
HiPerClockS
ICS
DIV_SELA
DIV_SELB
DIV_SELC
DIV_SELD
nMR/OE
INV0
INV1
QA0:QA4
QB0:QB4
QC0:QC4
QD0:QD4
CLK
1
0
÷1
÷2
1
0
1
0
1
0
Output
Polarity
Control
48 47 46 45 44 43 42 41 40 39 38 37
13 14 15 16 17 18 19 20 21 22 23 24
1
2
3
4
5
6
7
8
9
10
11
12
36
35
34
33
32
31
30
29
28
27
26
25
QC3
VDDOC
QC4
QD0
VDDOD
QD1
GND
QD2
GND
QD3
VDDOD
QD4
QB1
VDDOB
QB0
QA4
VDDOA
QA3
GND
QA2
GND
QA1
VDDOA
QA0
DIV_SELA
DIV_SELB
CLK
GND
V
DD
INV0
GND
INV1
V
DD
nMR/OE
DIV_SELC
DIV_SELD
GND
QB2
GND
QB3
V
DDOB
QB4
QC0
V
DDOC
QC1
GND
QC2
GND
48-Pin LQFP
7mm x 7mm x 1.4mm package body
Y Package
Top View
ICS8701-01
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ICS8701CY 制造商:ICS 功能描述:
ICS8701CYILF 功能描述:IC CLOCK GENERATOR 48-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時鐘/頻率合成器,扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
ICS8701CYILFT 功能描述:IC CLOCK GENERATOR 48-LQFP RoHS:是 類別:集成電路 (IC) >> 時鐘/計時 - 時鐘發(fā)生器,PLL,頻率合成器 系列:HiPerClockS™ 標(biāo)準(zhǔn)包裝:1,000 系列:- 類型:時鐘/頻率合成器,扇出分配 PLL:- 輸入:- 輸出:- 電路數(shù):- 比率 - 輸入:輸出:- 差分 - 輸入:輸出:- 頻率 - 最大:- 除法器/乘法器:- 電源電壓:- 工作溫度:- 安裝類型:表面貼裝 封裝/外殼:56-VFQFN 裸露焊盤 供應(yīng)商設(shè)備封裝:56-VFQFP-EP(8x8) 包裝:帶卷 (TR) 其它名稱:844S012AKI-01LFT
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