Differential Positive ECL (DPECL)
SK-A2910 Series
Rev H
Frequency Range: 100.0 MHz to 320.0 MHz
Operating Conditions and Output Characteristics
Electrical Characteristics
Parameter
Symbol
Frequency
Duty Cycle
Logic 0
(2)
Logic 1
(2)
Rise & Fall Time
Jitter, RMS
(3)
Enable Voltage
(4)
Disable Voltage
Frequency Stability
(1)
—
—
V
OL
V
OH
tr, tf
—
—
—
dF/F
Conditions
Min
Typical
—
—
—
—
350 psec
—
—
—
—
Max
320.0 MHz
55/45%
V
CC
-1.620 V
V
CC
-0.88 V
600 psec
3 psec
1.0 V
V
CC
+100 ppm
—
100.0 MHz
@50% points
45/55%
—
V
CC
-1.810 V
—
V
CC
-1.025 V
—
20-80% V
O
, with 50 ohm load to V
CC
-2V
—
—
with V
EE
= 0V
0V
3.0 V
with V
EE
= 0V
Overall conditions including:
-100 ppm
voltage, calibration, temp.,
10 yr aging, shock, vibration
General Characteristics
Parameter
Symbol
Conditions
Min
Typical
3.3 V
—
—
—
—
—
2 ms
Max
3.465 V
120 mA
±50.0 mA
70ºC
125ºC
300ºC
10 ms
Supply Voltage
V
CC
—
3.135 V
50 ohm termination to 2.00 V below V
CC
0.0 mA
Supply Current
I
CC
Output Current
I
O
Low level Output Current
0.0 mA
—
0ºC
Operating Temperature
T
A
Storage Temperature
T
S
—
-55ºC
Input: Logic High (ECL) - Disables
V
EE
or Open - Enables
Soldering, 10 sec.
—
Lead Temperature
T
L
Load
50 ohm to V
CC
-2V or Thevenin Equivalent, Bias Required
—
—
Start-up Time
t
S
Environmental and Mechanical Characteristics
Mechanical Shock
Thermal Shock
Vibration
Soldering Condition
Hermetic Seal
Per MIL-STD-202, Method 213, Condition E
Per MIL-STD-833, Method 1011, Condition A
0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55 Hz to 2000 Hz
300ºC for 10 seconds
Leak rate less than 1 x 10
-8
atm.cc/sec of helium
Footnotes:
1) Standard frequency stability (±20, ±25, ±50 ppm & others available).
2) V
OL
, V
OH
, referenced to ground.
3) Jitter performance is frequency dependent. Please contact factory for full Wavecrest characterization.
RMS jitter bandwidth of 12kHz to 20MHz.
4) Open to Enable pin also enables the output.
Test Circuit
1
8
7
2,6,9,13
Test Circuit uses a split supply of
+2V and -1.3V for ease of testing.
NEL [ NEL FREQUENCY CONTROLS,INC ]
