Clock Oscillators   Surface Mount Type
Clock K Series
CMOS/ 1.8V, 2.5V, 3.3V Compatible/ 2.01.6, 2.52.0, 3.22.5, 5.03.2, 7.05.0mm
Features How to Order
 Frequency Range 1.5 to 80MHz
KC2520K 25.0000 C 1 0 E 00
 CMOS output
      
 Wide Supply Voltage 1.6 to 3.63V
 Low current consumption
 Option: Low Phase Noise Version  Type 2.01.6mm: KC2016K 
2.5 2.0mm: KC2520K 
3.2 2.5mm: KC3225K 
5.0 3.2mm: KC5032K 
Table 1
7.0 5.0mm: KC7050K 
Operating
Freq. Tol.
Temperature
Note  Output Frequency (25.0000: 25MHz)
- 6
Code 10 Range (C) 
 Output Type (C: CMOS)
0  50 Standard specifications
 Supply Voltage
S   30 - 10 to +70
 1 : 1.8V/ 2.5V/ 3.3V Multi Voltage
RoHS Compliant
U   25
With only certain 
     (Version E : Standard)
G   50 - 40 to +85 frequencies
 2 : 2.5V (Version N : Low Phase Noise)
6   50 - 40 to +105
 3 : 3.3V (Version N : Low Phase Noise)
 Frequency Tolerance (See Table 1)
Packaging Tape & Reel
 Symmetry/ INH Function 
KC7050K/ KC5032K    
 E : 45/ 55%, Stand-by
: 1000 pcs/ reel
 N : 45/ 55%, Stand-by , Low Phase Noise
KC3225K/ KC2520K/ KC2016K   
 Customer Special Model Suffix 
: 2000 pcs/ reel 
(STD Specification is 00)
Dimensions  (Unit: mm) Recommended Land Pattern  (Unit: mm) 
KC2016K KC2520K KC2016K KC2520K
1.85
2.0 2.5
#3 #4 #3 #4
Marking AreaMarking Area
Marking AreaMarking Area
#2 #1
#2 #1
0.4 1.2 0.4
0.7 0.9 0.7
Tolerance : Tolerance :
1.05
0.6 1.2 0.6
0.2mm 0.1mm
3.20.15
KC3225K
KC3225K
2.2
Marking AreaMarking Area
#3 #4
#2 #1
0.9 1.2 0.9
Tolerance :
0.1mm
KC5032K
1.2
5.0 1.2
KC5032K
Marking AreaMarking Area
#3 #4
2.5
#2 #1
2.54
Tolerance :
0.2mm
KC7050K 1.6
7.0
1.4
KC7050K
5.08
#3 #4
Marking
Area
#2 #1
5.08
1.8
Tolerance :
0.2mm
0.24
0.5
0.5
0.24
1.6
0.8 max.
0.6 0.6
3.2
2.50.15
5.0
0.24
1.2 max. 0.8 max. 0.4
1.2 max.
2.0
0.75 1.0 0.75
0.8 max.
1.2 0.9
2.6 1.1
0.6 0.6 0.6
4.2
2.2 1.75
0.8 0.4 0.8
1.45
2.0
1.4
0.95
0.95Clock Oscillators   Surface Mount Type
Clock K Series
CMOS/ 1.8V, 2.5V, 3.3V Compatible/ 2.01.6, 2.52.0, 3.22.5, 5.03.2, 7.05.0mm
Specifications
Version E Version N
Item Symbol Conditions (Standard) (Low Phase Noise) Units
Min. Max. Min. Max.
Note1
Output Frequency Range fo 1.5 80 1.5 80 MHz
Op. Temp.: - 10 to +70C/ 
Initial tolerance, Operating 
- + - +
50 50 50 50
- 40 to +85C/ - 40 to +105C
temperature range, Rated 
- 6
Frequency Tolerance f_tol power supply voltage change, 10 
Op. Temp.: - 10 to +70C - 30 +30 - 30 +30
Load change, Aging (1 year 
@25 C), Shock and vibration
Op. Temp.: - 10 to +70C - 25 +25 - 25 +25
- 6
Frequency Aging f_age @25C First year - 3 +3 - 3 +3 10 / y  
Storage Temperature Range T_stg - 55 +125 - 55 +125 C
- 10 +70 - 10 +70
Operating Temperature Range T_use - 40 +85 - 40 +85 C
- 40 +105 - 40 +105
Max. Supply Voltage  - 0.3 +4.0 - 0.3 +4.0 V
+ +
Code  : 1 1.60 3.63  
+ +
Supply Voltage VCC Code  : 2   2.25 2.75 V
+ +
Code  : 3   2.97 3.63
 
E : 1.6 VCC 2.25V  2.5  
Current Consumption
E : 2.25<VCC2.8V/ N : 2.25VCC2.75V  3.0  4
(Maximum Loaded/ 1.5F0<24MHz)
E : 2.8<VCC3.63V/ N : 2.97VCC3.63V  3.5  6
E : 1.6VCC2.25V  3.5  
Current Consumption
E : 2.25<VCC2.8V/ N : 2.25VCC2.75V  4.5  5
 
(Maximum Loaded/ 24 F0 40MHz)
E : 2.8<VCC3.63V/ N : 2.97VCC3.63V  5.0  7
ICC mA
E : 1.6VCC2.25V  5.0  
Current Consumption
E : 2.25<VCC2.8V/ N : 2.25VCC2.75V  5.5  8
< 
(Maximum Loaded/ 40 F0 62.5MHz)
E : 2.8<VCC3.63V/ N : 2.97VCC3.63V  6.0  11
E : 1.6VCC2.25V  6.0  
Current Consumption
<   
E : 2.25 VCC 2.8V/ N : 2.25 VCC 2.75V  6.5  14
(Maximum Loaded/ 62.5<F080MHz)
<   
E : 2.8 VCC 3.63V/ N : 2.97 VCC 3.63V  8.0  18
Stand-by Current I_std  5  5 A
Symmetry SYM @50% VCC 45 55 45 55 %
E : 1.6VCC2.25V  6  
Rise/ Fall Time
tr/ tf E : 2.25<VCC2.8V/ N : 2.25VCC2.75V  5  6 ns
(10% to 90% Output Level)
E : 2.8<VCC3.63V/ N : 2.97VCC3.63V  4.5  5
Low Level Output Voltage VOL IOL=4mA  10% VCC  10% VCC V
High Level Output Voltage VOH IOH=- 4mA 90% VCC  90% VCC  V
Note2 Note2
Output Load L_CMOS 15 15 pF 
Low Level Input Voltage VIL  30% VCC  30% VCC V
High Level Input Voltage VIH 70% VCC  70% VCC  V
Disable Time t_dis  200  150 ns
Enable Time t_ena  5  5 ms
Start-up Time t_str @Minimum operating voltage to be 0 sec.  3  5 ms
1 Sigma Jitter JSigma  5  4 ps
-
Measured with Wavecrest SIA 3000 
Peak to Peak Jitter JPK-PK  50  40 ps
Phase Jitter JPhase BW : 12kHz to 20MHz  1.0  0.5 ps
@10Hz offset - 89 - 92
@100Hz offset - 119 - 126
@1kHz offset - 143 - 151
Phase Noise  @25MHz @10kHz offset - 157 - 160 dBc/ Hz
@100kHz offset - 160 - 167
@1MHz offset - 162 - 170
- -
@10MHz offset 162 170
Note: All electrical characteristics are defined at the maximum load and operating temperature range.
Note1: Please contact us for inquiry about operating temperature range, available frequencies and other conditions.
Note2: Please contact us for Output Load 30pF.
Pad Connections INH Function
#1 Enable/ Disable Pad1 Pad3 (Output)
#2 Case GND Open Active
#3 Output Level Active
VCC High Z (No-Oscillation)
#4 Level