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ECS, INC. INTERNATIONAL 1105 S. RIDGEVIEW, OLATHE, KS 66062 • 913-782-7787 • 800-237-1041 • FAX 913-782-6991 • WWW.ECSXTAL.COM
SMD OSCILLATORS SMD OSCILLATORS
The ECS-327SMO oscillator utilizes the
32.768 KHz tuning fork crystal in a SMD
ceramic package. It is designed specifically
for wireless PCMCIA and portable
communication equipment applications.
FEATURES
• 2.0 mm low profile
• SMD version
• 3.3 V input voltage
• Tape & Reel (1000 pcs)
ECS-327SMO32.768 KHz SMD CLOCK OSCILLATOR
PART NUMBERING GUIDE
PART NUMBER*
ECS-327SMO
OPERATING CONDITIONS /ELECTRICAL CHARACTERISTICS
PACKAGE DIMENSIONS (mm)
PARAMETERS CONDITIONS MINIMUM TYPICAL MAXIMUM UNITS
OUTPUT FREQUENCY 32.768 KHz
FREQUENCY STABILITY -10 ~ +60˚C -60 +30 PPM
FREQUENCY STABILITY -40 ~ +85˚C -140 +30 PPM
OPERATING TEMPERATURE -40 +85 ˚ C
STORAGE TEMPERATURE -40 +85 ˚ C
INPUT VOLTAGE VCC +1.8V +3.3V +5.0V V DC
INPUT CURRENT with 15 pF load 8 15 µA
SYMMETRY at 1/2 VCC level and +25˚C 45/55 55/45 %
RISE AND FALL TIMES 200 ns
“0” LEVEL VCC x 0.1V
“1” LEVEL VCC x 0.9V
LOAD CMOS 15 pF
4.7
1.51.5 1.2
2.2
2.2 2.5
2.7
6.5 ±0.2
4.0 ±0.2
2.0 Max.
1.7
1.2
3.0
#1
#4 #3
#2
PIN CONNECTIONS
#1 NC
#2 GND
#3 OUTPUT
#4 VCC
PACKAGE DATA
COVER METAL
BASE CERAMIC
TERMINAL
PLATING GOLD
Figure 1) ECS-327SMO – Top, Bottom and Side views
Figure 2) Land Pattern
VCC
0.01µF
CL: Including fixture and probe capacitance.
Test Point
CL
V
DC Power
Supply
A
#4
VCC
N.C.
#1 GND
#2
#3
OUTPUT
Figure 3) Test Circuit
1/2 VCC
t
10% 1/2 VCC
0V DC
90% VCC
GND
"0" Level
TFTR
T
Symmetry = 1/T x 100(%)
Figure 4) Output Wave Form
