
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
Frequency
Duty Cycle
Logic 0
(2)
Logic 1
(2)
Rise & Fall Time
Jitter, RMS
(3)
Enable Voltage
(4)
Disable Voltage
Frequency Stability
(1)
Symbol
—
—
V
OL
V
tr, tf
—
—
—
dF/F
Conditions
—
@50% points
—
—
Min
Typical
—
—
—
—
350 psec
—
—
—
—
Max
100.0 MHz
45/55%
V
CC
-1.810 V
V
CC
-1.025 V
—
—
0 V
3.0 V
-100 ppm
320.0 MHz
55/45%
V
CC
-1.620 V
V
-0.88 V
600 psec
3 psec
1.0 V
V
+100 ppm
20-80% V
O
, with 50 ohm load to V
CC
-2V
—
with V
EE
= 0V
with V
= 0V
Overall conditions including:
voltage, calibration, temp.,
10 yr aging, shock, vibration
General Characteristics
Parameter
Supply Voltage
Supply Current
Output Current
Operating Temperature
Storage Temperature
Input: Logic High (ECL) - Disables
V
or Open - Enables
Lead Temperature
Load 50 ohm to V
CC
-2V or Thevenin Equivalent, Bias Required
Start-up Time
t
S
Symbol
V
CC
I
CC
I
O
T
A
T
S
Conditions
—
Min
3.135 V
0.0 mA
0.0 mA
0oC
-55oC
Typical
3.3 V
—
—
—
—
Max
3.465 V
120 mA
±50.0 mA
70oC
125oC
50 ohm termination to 2.00 V below V
CC
Low level Output Current
—
—
T
L
Soldering, 10 sec.
—
—
300oC
—
—
2 ms
10 ms
Environmental and Mechanical Characteristics
Mechanical Shock
Per MIL-STD-202, Method 213, Condition E
Thermal Shock
Per MIL-STD-833, Method 1011, Condition A
Vibration
0.060" double amplitude 10 Hz to 55 Hz, 35g’s 55 Hz to 2000 Hz
Soldering Condition
300oC for 10 seconds
Hermetic Seal
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
, V
, 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
7
8
2,6,9,13
Test Circuit uses a split supply of
+2V and -1.3V for ease of testing.