MC100LVE222
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5
Table 6. AC CHARACTERISTICS VCC or VCCO = 3.3 V; VEE = 0.0 V or VCC/VCCO = 0.0 V; VEE = -3.3 V (Note 7) Symbol
Characteristic
-40
°C
25
°C
70
°C
Unit
Min
Typ
Max
Min
Typ
Max
Min
Typ
Max
fmax
Maximum Toggle Frequency
1.2
> 1.5
1.2
> 1.5
1.2
> 1.5
GHz
tPLH
tPHL
Propagation Delay to Output
IN (differential) (Note
8)IN (single-ended) (Note
9)MR
1040
940
1100
1140
1250
1240
1290
1400
1080
980
1170
1180
1320
1280
1330
1470
1120
1020
1220
1370
1320
1370
1520
ps
tskew
Within-Device Skew (Note
10)Part-to-Part Skew
(Differential Configuration)
50
200
50
200
50
200
ps
tJITTER
Random CLOCK Jitter (RMS)
< 1.0
ps
VPP
Input Swing (Differential) (Note
11)400
1000
400
1000
400
1000
mV
tr/tf
Output Rise/Fall Time 20%-80%
200
600
200
600
200
600
ps
NOTE: Device will meet the specifications after thermal equilibrium has been established when mounted in a test socket or printed circuit
board with maintained transverse airflow greater than 500 lfpm. Electrical parameters are guaranteed only over the declared
operating temperature range. Functional operation of the device exceeding these conditions is not implied. Device specification limit
values are applied individually under normal operating conditions and not valid simultaneously.
7. VEE can vary +0.3 V to -1.95 V. Operation with |VCC or pVCCO-VEE| w3.8 V span will require special thermal handling considerations.
8. The differential propagation delay is defined as the delay from the crossing points of the differential input signals to the crossing point of the
differential output signals.
9. The single‐ended propagation delay is defined as the delay from the 50% point of the input signal to the 50% point of the output signal.
10. The within-device skew is defined as the worst case difference between any two similar delay paths within a single device.
11. VPP(min) is defined as the minimum input differential voltage which will cause no increase in the propagation delay. The VPP(min) is AC limited
for the LVE222. A differential input as low as 50 mV will still produce full ECL levels at the output.
Figure 4. Typical Termination for Output Driver and Device Evaluation
(Refer to Application Note AND8020 - Termination of ECL Logic Devices)
W
Driver
Device
Receiver
Device
QD
50
W
50
V TT
Q
D
VTT = (VCC or VCCO) - 2.0 V
Z = 50
W
Z = 50
W