电子工程世界电子工程世界电子工程世界

关键词

搜索

型号

搜索

ISM91-6251BO-20.000

产品描述5 mm x 7 mm Ceramic Package SMD Oscillator, TTL / HC-MOS
文件大小51KB,共2页
制造商ILSI
官网地址http://www.ilsiamerica.com
下载文档 全文预览

ISM91-6251BO-20.000概述

5 mm x 7 mm Ceramic Package SMD Oscillator, TTL / HC-MOS

文档预览

下载PDF文档
5 mm x 7 mm Ceramic Package SMD Oscillator, TTL / HC-MOS
ISM91 Series
Product Features:
Low Jitter, Non-PLL Based Output
CMOS/TTL Compatible Logic Levels
Compatible with Leadfree Processing
Applications:
Fibre Channel
Server & Storage
Sonet /SDH
802.11 / Wifi
T1/E1, T3/E3
System Clock
Frequency
Output Level
HC-MOS
TTL
Duty Cycle
Rise / Fall Time
Output Load
Frequency Stability
Start-up Time
Enable / Disable
Time
Supply Voltage
Current
Operating
Storage
Jitter:
RMS(1sigma)
1 MHz-75 MHz
76 MHz-170 MHz
Max Integrated
1 MHz-75 MHz
76 MHz-170 MHz
Max Total Jitter
1 MHz-75 MHz
76 MHz-170 MHz
1 MHz to 170.000 MHz
‘0’ = 0.1 Vcc Max., ‘1’ = 0.9 Vcc Min.
‘0’ = 0.4 VDC Max., ‘1’ = 2.4 VDC Min.
Specify 50% ±10% or ±5% See Table in Part Number Guide
5 nS Max. @ Vcc = +3.3 VDC, 10 nS Max. @ Vcc = +5 VDC ***
Fo < 50 MHz = 10 TTL, Fo > 50 MHz = 5 LSTTL See Table in Part
Number Guide
See Frequency Stability Table (Includes room temperature tolerance and
stability over operating temperature)
10 mS Max.
100 nS Max.
See Input Voltage Table, tolerance ±5 %
70 mA Max. ***
See Operating Temperature Table in Part Number Guide
-55
°
C to +125
°
C
Recommended
Pad Layout
(Top View)
5 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods)
3 pS RMS (1 sigma) Max. accumulated jitter (20K adjacent periods)
1.5 pS RMS (1 sigma -12KHz to 20MHz)
1 pS RMS (1 sigma -12KHz to 20MHz)
50 pS p-p (100K adjacent periods)
30 pS p-p (100K adjacent periods)
Pin
1
2
3
4
Connection
Enable / Disable
Ground
Output
Vdd
Dimension Units: mm
Part Number Guide
Package
Input
Voltage
5 = 5.0 V
3 = 3.3 V
7 = 3.0 V
2 = 2.7 V
6 = 2.5 V
1 = 1.8 V*
Sample Part Number:
Operating
Temperature
1 = 0° C to +70° C
6 = -10° C to +70° C
3 = -20° C to +70° C
4 = -30° C to +75° C
2 = -40° C to +85° C
ISM91 - 3251BH - 20.000
Output
1 = 10TTL / 15 pF HC-MOS
5 = 50 pF HC-MOS (<40 MHz)
6 = 30 pF
Symmetry
(Duty Cycle)
5 = 45 / 55 Max.
6 = 40 / 60 Max.
Stability
(in ppm)
**E =
±10
**D =
±15
**F =
±20
A =
±25
B =
±50
C =
±100
Enable /
Disable
H = Enable
O = N/C
Frequency
I
SM91 -
- 20.000 MHz
NOTE: A 0.01 µF bypass capacitor is recommended between Vcc (pin 4) and GND (pin 2) to minimize power supply noise.
* Not available at all frequencies. ** Not available for all temperature ranges. *** Frequency, supply, and load related parameters.
ILSI
America
Phone: 775-851-8880 • Fax: 775-851-8882• e-mail: e-mail@ilsiamerica.com • www.ilsiamerica.com
06/09_B
Specifications subject to change without notice
Page 1
在已有必要的基础时,掌握新的MCU,你主重看什么?
本帖最后由 dontium 于 2014-1-12 15:31 编辑 本议题的目的是了解一下大家为掌握新的单片机时从哪入手 --------二选一,是看你倾向,并不代表只看一方面的资料 ...
dontium 单片机
过年啦,逛论坛的少了很多啊
今天竟然发现偶上了发帖排行榜了,24小时发了 3贴,⊙﹏⊙b汗:funk:...
leekuip 聊聊、笑笑、闹闹
DC/DC 48V转24V
DC/DC 48V转24V,大家有什么好的解决方案吗? ...
木木木JS 电源技术
求助 串联直流稳压电源的设计
一、 串联型直流稳压电源的设计 设计要求 (1) 输出直流电压 ,连续可调(3V~12V); (2) 输出直流电流 ; (3) 交流电电源电压 (220V); (4) 放大管具有恒流源负载; (5) 有过 ......
clj2811 模拟电子
FPGA开发
请问谁有——FPGA开发全攻略~ 我想看,不知道哪里下载~如果你有,请与我联系~ qq:605514687谢谢~...
edn_OO7 嵌入式系统
无源晶振为什么只有一个脚起振?? 高手进!
芯片能正常工作,但是27M无源晶振只有一个输出脚起振,输入脚为0电平。 我示波器是200M的,应该没问题。...
shenyesanbu 嵌入式系统

 
EEWorld订阅号

 
EEWorld服务号

 
汽车开发圈

 
机器人开发圈

About Us 关于我们 客户服务 联系方式 器件索引 网站地图 最新更新 手机版

站点相关: 大学堂 TI培训 Datasheet 电子工程 索引文件: 217  1068  1811  423  2382  31  2  1  15  5 

器件索引   0 1 2 3 4 5 6 7 8 9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

北京市海淀区中关村大街18号B座15层1530室 电话:(010)82350740 邮编:100190

电子工程世界版权所有 京B2-20211791 京ICP备10001474号-1 电信业务审批[2006]字第258号函 京公网安备 11010802033920号 Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved