EEWORLDEEWORLDEEWORLD

Part Number

Search

CMC20218BU2N-31.250MHZ

Description
HCMOS Output Clock Oscillator
CategoryPassive components    oscillator   
File Size727KB,6 Pages
ManufacturerRaltron
Websitehttp://www.raltron.com/
Environmental Compliance
Download Datasheet Parametric View All

CMC20218BU2N-31.250MHZ Overview

HCMOS Output Clock Oscillator

CMC20218BU2N-31.250MHZ Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Objectid7112564331
Reach Compliance Codecompliant
Frequency Adjustment - MechanicalNO
frequency stability25%
Installation featuresSURFACE MOUNT
Number of terminals4
Nominal operating frequency31.25 MHz
Maximum operating temperature70 °C
Minimum operating temperature-20 °C
Oscillator typeLVCMOS
Output load15 pF
physical size2.0mm x 1.6mm x 0.75mm
Maximum supply voltage1.89 V
Minimum supply voltage1.71 V
Nominal supply voltage1.8 V
surface mountYES
maximum symmetry55/45 %
MEMS Standard
Frequency Oscillator
Page 1 of 6
CMC202-SERIES
■ Low Power Consumption of 3.5mA typical at 1.8V
■ 52 Standard frequencies between 3.57MHz and 77.760 MHz
■ HCMOS/ LVCMOS compatible output
■ SMD package 2.0 x 1.6 mm
ELECTRICAL SPECIFICATIONS
PARAMETER
SYMBOL
CONDITION
Min.
VALUE
Typ.
Max.
77.760
3.3
3.5
3.7
3.8
3.8
-20
-40
4.1
4.2
4.5
4.5
+70
+85
+20
+25
+50
UNIT
Frequency Range
Supply Voltage
f
0
Vs
52 standard frequencies between
3.57MHz and 77.760MHz
Vs ±5%
Vs = 1.8V,
f
0
=20MHz, no load
Vs = 2.5V,
f
0
=20MHz, no load
Vs = 2.8V,
f
0
=20MHz, no load
Vs = 3.3V,
f
0
=20MHz, no load
3.57
1.8
MHz
V
mA
mA
mA
mA
C
°C
ppm
ppm
ppm
V
Supply Current
Is
Operating Temperature
T
a
Including First Year aging, initial
frequency tolerance at 25°C,
Frequency stability over
temperature range, supply variation,
load variation
Enable = Open or“1”(V
IH
≥0.75Vs)
( output signal active )
Disable = GND or “0”(V
IL
<0.25Vs )
( output high impedance, oscillator
operates )
Standby = GND or “0” V
IL
<0.25Vs )
( output weakly pulled down,
oscillator sleep mode )
Frequency Stability
Δf/f
0
-20
-25
-50
0.75Vs
0.25Vs
V
Enable / Disable/ Standby Function
E/D/St
0.25Vs
V
Enable / Disable Time
T
E/D
f
0
=110MHz
Vs=1.8V, E/D =GND
Vs=2.5V to 3.3V, E/D =GND
Output in high impedance state
STBY=GND,Vs=1.8V
STBY=GND,Vs=2.5V
STBY=GND,Vs=2.8V to 3.3V
Output is weakly pulled down
0.2
1.1
2.1
1.3
2.5
4.3
130
4.0
4.2
ms
mA
mA



Enable / Disable Current
I
E/D
Standby Current
Istby
Startup Time
RMS Phase Jitter
RMS Period Jitter
Peak to Peak Period Jitter
T
ST
J
PH
J
P
J
PK-PK
5
ms
ps
ps
ps
ps
ps
f
0
=75MHz,BW 900KHz to 7.5MHz
f
0
=75MHz,BW 12KHz to 20MHz
f
0
=75MHz
f
0
=75MHz,Vs=2.5 to 3.3V
f
0
=75MHz, Vs=1.8V
0.5
1.3
1.8
12
14
0.9
2.0
3
25
30
RALTRON ELECTRONICS
10400 N.W . 33
rd
St
Miam i, Florida 33172
U.S.A.
phone: +1-305-593-6033
fax: +1-305-594-3973
e-mail: sales@raltron.com
internet: http://www.raltron.com
SEMIWILL launches BT151S series SMD thyristor
SEMIWILL launches BT151S series SMD thyristor Product model: BT151S-500R BT151S-650R BT151S-800R Product Features: Package: TO-252 (DPAK), replacing SOT-428 On-state RMS current: 12A Off-state voltage...
semiwill Discrete Device
BiKuQi urgently recruits FPGA engineers
招聘职位/职位要求A、Firmware/baseband EngineerPosition Requirements:1. Bachelor’s degree or above in Communications, Electronic or computer Engineering2. At least 4 years (for Bachelor degree) or 2 years (for ...
fanxuan Recruitment
Marketing of smart home
Dear friends in the smart home forum, I am not very talented. I have made many smart home solutions a long time ago, but they were shelved for various reasons. Today, I saw my friends' enthusiasm for ...
盛宇科技 DIY/Open Source Hardware
u.aru.u4000 SDK
Provide fingerprint development kit (support delphi, vb, pb, java, linux) and u.are.u2000 fingerprint scanner, u.are.u4000 fingerprint scanner. You can visit our website to learn more http://www.cybio...
chenhaohoo Embedded System
Come and see the best password!!!
The best password: ppnn13%dkstFeb.1st The password means two lines of Du Mu's poem: She is more than thirteen years old, and she is in the prime of her youth. Second place: FLZX3000cY4yhx9day (The wat...
wsxzaq Talking
Help with interrupt issues
I encountered a problem when using Freescale chips: Can the same interrupt be responded to repeatedly?...
flymouse911 Embedded System

EEWorld
subscription
account

EEWorld
service
account

Automotive
development
circle

Robot
development
community

Index Files: 2423  2865  537  1305  485  49  58  11  27  10 
Datasheet   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
Room 1530, 15th Floor, Building B, No. 18 Zhongguancun Street, Haidian District, Beijing Telephone: (010) 82350740 Postal Code: 100190
Copyright © 2005-2026 EEWORLD.com.cn, Inc. All rights reserved 京ICP证060456号 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