Clock Oscillators Surface Mount Type
KC7050B Series (FXO-34F Series)
CMOS/ 3.3V/ 5.0V/ 7.0×5.0mm
RoHS Compliant
Features
This crystal oscillator has a built-in
high-precision CMOS IC suitable for a wide
range of temperature
Lower noise and lower current for reduced
power consumption
Supply voltage VCC=3.3/ 5.0V available
Frequency Tolerance (Overall)
Freq. Tol. Operating
Temperature
Range (°C) Note
Code × 10-6
P±100 -30 to +85
(Standard) 1.8 to 32MHz
Q± 50
R± 30
How to Order
KC7050B 25.0000 C 3 P B 00
Type
Output Frequency
Output Type (CMOS)
Supply Voltage 5=5.0V, 3=3.3V
Frequency Tolerance (See Table at Left)
Symmetry/ INH Function
A: 40/ 60%, Disable
B: 40/ 60%, Stand-by
Customer Special Model Suffix
(STD Specification is “00”)
Symmetry/ INH Function
Freq.
(MHz)
Code
KC7050B-C5 KC7050B-C3
1.8 to 7.9 A A
8 to 32 B B
Specifications
Item Symbol Conditions Units
KC7050Bxx.xxxxC5xx00 (FXO-34F) KC7050Bxx.xxxxC3xx00 (FXO-34FL)
Output Frequency Range fo 1.8 to 32 MHz
Frequency Tolerance (Overall)
f_tol
±30
×10-6
±50
±100
Storage Temperature Range T_stg -40 to +85 °C
Operating Temperature Range
T_use -30 to +85 °C
Max. Supply Voltage 7 max. V
Supply Voltage VCC 5±5% 3.3±5% V
Current Consumption ICC 12 max. 10 max. mA
Stand-by/ Disable Current I_std 8 max. μA
Symmetry SYM 40 to 60@50%VCC %
Rise/ Fall Time tr/ tf 12 max. 16 max. ns
Low Level Output Voltage VOL 10% VCC max. V
High Level Output Voltage VOH 90% VCC min. V
CMOS Load L_CMOS 15 max. pF
Input Voltage Range VIN 0 to VCC 0 to VCC V
Low Level Input Voltage VIL 0.8 max. 0.3 max. V
High Level Input Voltage VIH 2.2 min. 2.2 min. V
Disable Time t_dis 150 max. ns
Enable Time t_ena 5 max. ms
Start-up Time t_str 10 max. ms
Note: All electrical characteristics are defined at the maximum load and operating temperature range.
Please contact us for inquiry about operating temperature range, available frequencies and other conditions.
Dimensions (Unit: mm)
Recommended Land Pattern
(Unit: mm)
INH Function
Pad1 Pad3 (Output)
Open Active
"H" Level Active
"L" Level
High Z (Output-Stop)
Pad Connections
#1 INH
#2 GND
#3 Output
#4 VCC
Plating: Ni+Au
Tolerance: ±0.2
5.0
1.8
4.6
2.6
7.0
0.6
5.1
0.6 1.4
#2 #1
#4#3
2.0
1.8
5.1
4.2
Note: A capacitor of value 0.01µF between VCC
and GND is recommended.