参数资料
型号: ICS83940DY-01LFT
厂商: IDT, Integrated Device Technology Inc
文件页数: 1/15页
文件大小: 0K
描述: IC CLOCK BUFFER MUX 2:18 32-LQFP
标准包装: 1
系列: HiPerClockS™
类型: 扇出缓冲器(分配),多路复用器
电路数: 1
比率 - 输入:输出: 2:18
差分 - 输入:输出: 是/无
输入: CML,LVCMOS,LVPECL,LVTTL,SSTL
输出: LVCMOS,LVTTL
频率 - 最大: 250MHz
电源电压: 2.375 V ~ 3.465 V
工作温度: 0°C ~ 70°C
安装类型: 表面贴装
封装/外壳: 32-LQFP
供应商设备封装: 32-TQFP(7x7)
包装: 标准包装
其它名称: 800-2586-6
83940AY-02
www.idt.com
REV. A MAY 21, 2013
1
Low Skew, 1-to-18 Differential-to-
LVCMOS/LVTTL Fanout Buffer
ICS83940-02
NRND
NOT RECOMMENDED FOR NEW DESIGNS
GENERAL DESCRIPTION
The ICS83940-02 is a low skew, 1-to-18 Fanout Buffer . The
83940-02 has two selectable clock inputs. The CLK0,
nCLK0 pair can accept most standard differential input
levels. The single ended clock input accepts LVCMOS or
LVTTL input levels. The low impedance LVCMOS/LVTTL
outputs are designed to drive 50
Ω series or parallel
terminated transmission lines. The effective fanout can be
increased from 18 to 36 by utilizing the ability of the
outputs to drive two series terminated lines.
The ICS83940-02 is characterized at full 3.3V, full 2.5V and
mixed 3.3V input and 2.5V output operating supply modes.
Guaranteed output and part-to-part skew characteristics
make the ICS83940 ideal for those clock distribution
applications demanding well defined performance and
repeatability.
BLOCK DIAGRAM
PIN ASSIGNMENT
FEATURES
18 LVCMOS/LVTTL outputs, 7Ω typical output impedance
Selectable LVCMOS_Clock or CLK0, nCLK0 input pair
LVCMOS_CLK supports the following input types:
LVCMOS or LVTTL
CLK0, nCLK0 pair can accept the following differential
input levels: LVPECL, LVDS, LVHSTL, SSTL, HCSL
Maximum output frequency: 200MHz
Output skew: 120ps (maximum)
Part-to-part skew: 850ps (maximum)
Output supply modes:
Core/Output
3.3V/3.3V
3.3V/2.5V
2.5V/2.5V
0°C to 70°C ambient operating temperature
Industrial temperature information available upon request
NOT RECOMMENDED FOR NEW DESIGNS
For New Designs Use: ICS83940D
32-Lead LQFP
Y Pacakge
7mm x 7mm x 1.4mm package body
Top View
Q0:Q17
CLK_SEL
CLK0
nCLK0
LVCMOS_CLK
0
1
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
Q6
Q7
Q8
VDDO
Q9
Q10
Q11
GND
LVCMOS_CLK
CLK_SEL
CLK
nCLK
VDD
VDDO
V
DDO
Q12
Q13
Q14
GND
Q15
Q16
Q17
GND
Q5
Q4
Q3
V
DDO
Q2
Q1
Q0
ICS83940-02
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ICS83940DYI 制造商:Integrated Device Technology Inc 功能描述:IC CLK BUFFER 2:18 250MHZ 32TQFP
ICS83940DYI-01 制造商:ICS 制造商全称:ICS 功能描述:LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER
ICS83940DYI-01LF 功能描述:IC CLOCK BUFFER MUX 2:18 32-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器,驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器(分配) 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL,LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN(5x5) 包装:管件
ICS83940DYI-01LFT 功能描述:IC CLOCK BUFFER MUX 2:18 32-LQFP RoHS:是 类别:集成电路 (IC) >> 时钟/计时 - 时钟缓冲器,驱动器 系列:HiPerClockS™ 标准包装:74 系列:- 类型:扇出缓冲器(分配) 电路数:1 比率 - 输入:输出:1:10 差分 - 输入:输出:是/是 输入:HCSL, LVCMOS, LVDS, LVPECL, LVTTL 输出:HCSL,LVDS 频率 - 最大:400MHz 电源电压:3 V ~ 3.6 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:32-VFQFN 裸露焊盘 供应商设备封装:32-QFN(5x5) 包装:管件
ICS83940DYI-01T 制造商:ICS 制造商全称:ICS 功能描述:LOW SKEW, 1-TO-18 LVPECL-TO-LVCMOS / LVTTL FANOUT BUFFER