
FXO-HC33 Series
Pin Description and Recommended Circuit
Pin #
Name
Type
Function
1
E/D
1
Logic
Enable / Disable Control of Output (0 = Disabled)
2
3
GND
Output
Ground
Output
Electrical Ground for V DD
HCMOS Oscillator Output
4
V DD
2
Power
Power Supply Source Voltage
T est
P oints
N. C.
Hi Z
No Connection (Factory Use ONLY)
NOTES:
1
2
Includes pull-up resistor to V DD to provide output when the pin (1) is No Connect.
Installation should include a 0.01μF bypass capacitor placed between V DD
(Pin 4) and GND (Pin 2) to minimize power supply line noise.
E/D 1
4 V DD
0.01 F
E/D
#1
#4
V DD
N. C.
TP
TP
N. C .
NC
NC
GND 2
3 Output
GND
#2
#3
OUT
HCMOS LOAD
(15 pF)
Terminations as viewed from the Top
NOTE: X PRESS O HCMOS XOs are designed to
fit on Industry Standard, 4 pad layouts
Enable / Disable Control
Pin # 1 (state)
OPEN (No Connection)
“1” Level V IH ≥ 70% V DD
“0” Level V IL ≤ 30% V DD
Soldering Reflow Profile
Output (Pin # 3)
ACTIVE Output
ACTIVE Output
High Impedance
(2 times Maximum at 260°C for 10 seconds MAX)
t p
10 Seconds Max
within 5°C of 260°C peak
260°C
Ramp-Up
225°C
180°C
160°C
25°C
3°C/s Max
120 ± 20 Seconds
In Pre-heating Area
400 Seconds MAX from +25°C to 260°C peak
50±10 Seconds
Above 225°C Reflow Area
Ramp Down
Not to exceed 6°C/s
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