Crystal Oscillator
SERIES 7N, SEAM SEALED OSCILLATOR 5X3.2MM SURFACE MOUNT PACKAGE
FEATURE
Broad frequency range from 1.54Mhz to 125MHz
Compact and thin ceramic package with metalized
surface mounting and automatically loaded
Reflow solder is possible
Lower noise and current with reduced power consumption
Built-in C-MOS IC with tri-state function
5V and 3.3V supply model available
Ideally suited designed for use in PCs, NB,
PCMCIA Cards, Palmtop Computer, Portable Applications
ELECTRICAL SPECIFICATIONS
Parmetersl Condition\Model
Fan Out Type
Supply Voltage
Frequency Range
Operating Temperature
7NC1
TTL/CMOS
5.0V
7NC2
7NC3
CMOS
TTL
3.3V
5.0V
1.554MHz to 125MHz
0-70℃, -20-70℃,-40-85℃
1.544~31.999MHz
25mA max
32~125MHz 40mA
max
1.544~31.999MHz
30mA max
32~125MHz 45mA
max
7NC4
TTL
3.3V
Input
Current
Frequency Range
1.544~31.999MHz
35mA max(15pF)
40mA max (50pF)
32~125MHz 45mA
max(15pF) 55mA
max (50pF)
1.544~31.999MHz
25mA max
32~125MHz 40mA
max
Frequency
Stability
Symmetry
Output
Voltage
Rise/Fall
Time
Driving
Ability
Start-up
Time
E/D
Function
All Conditions
AT 1/2 Vdd
Vol(max)
VoH(min)
AT
0.1Vdd~0.9Vdd
10 LSTTL Load
max
CMOS load max
TTL load max
Load RANGE
#1
OPEN
#1 >=2.2V
#1 <=0.8V
PIN#1 E/D
PIN#2 GND
0.4V/0.5V
2.4V/4.5V
±25, ±50, ±100ppm
40/60% Max
0.33V
2.97V
10ns max
15pF
15pF/50pF
10TTL
15pF
10ms max(15pF)/5ms (50pF)
PIN #3 ACTIVE
PIN #3 ACTIVE
PIN #3 INACTIVE
PIN#3 OUT
PIN#4 Vdd
15pF
0.5V
4.5V
0.33V
2.97V
PAD Connection
Http:www.q-crystal.com Email: sjk@q-crystal.com Tel: 86-755-83659422 Fax: 86-755-83652518
Crystal Oscillator
SERIES 7N, SEAM SEALED OSCILLATOR 5X3.2MM SURFACE MOUNT PACKAGE
MARKING AND DIMENSIONS
PIN NO CONNECTION
# 1 N.C.( INH )
# 2 GND
# 3 OUTPUT
# 4 +VCC
WAVEFORM CONDITIONS
REFLOW CONDITION
PART NUMBER
SJK-
7NC2
7NC1
7NC2
7NC3
7NC4
—
3.6864
Frequency
3.6864: 3.6864
MHz
—
50
Frequency
tolerance
e.g.
50:±50ppm
—
B
Operating
Temperature
A:0-70℃
B:-20-70℃
C:-40-85℃
Http:www.q-crystal.com Email: sjk@q-crystal.com Tel: 86-755-83659422 Fax: 86-755-83652518
电子工程世界
