MOTOROLA MC10EL51, MC100EL51 Technical data
MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
Differential Clock D Flip Flop
The MC10EL/100EL51 is a differential clock D flip-flop with reset. The device is functionally similar to the E151 device with higher performance capabilities. With propagation delays and output transition times significantly faster than the E151 the EL51 is ideally suited for those applications which require the ultimate in AC performance.
The reset input is an asynchronous, level triggered signal. Data enters the master portion of the flip-flop when the clock is LOW and is transferred to the slave, and thus the outputs, upon a positive transition of the clock. The differential clock inputs of the EL51 allow the device to be used as a negative edge triggered flip-flop.
The differential input employs clamp circuitry to maintain stability under open input (pulled down to VEE) conditions.
•475ps Propagation Delay
•2.8GHz Toggle Frequency
•75kΩ Internal Input Pulldown Resistors
•>1000V ESD Protection
LOGIC DIAGRAM AND PINOUT ASSIGNMENT
R |
1 |
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8 |
VCC |
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2 |
R |
7 |
Q |
D |
D |
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Flip-Flop |
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CLK |
3 |
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6 |
Q |
CLK |
4 |
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5 |
VEE |
MC10EL51
MC100EL51
8 
1
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751-05
TRUTH TABLE
D |
R |
CLK |
Q |
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L |
L |
Z |
L |
H |
L |
Z |
H |
X |
H |
X |
L |
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Z = LOW to HIGH Transition
12/93
Motorola, Inc. 1996 |
REV 2 |
MC10EL51 MC100EL51
DC CHARACTERISTICS (VEE = VEE(min) to VEE(max); VCC = GND)
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±40°C |
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0°C |
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25°C |
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85°C |
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Symbol |
Characteristic |
Min |
Typ |
Max |
Min |
Typ |
Max |
Min |
Typ |
Max |
Min |
Typ |
Max |
Unit |
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IEE |
Power Supply |
10EL |
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24 |
29 |
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24 |
29 |
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24 |
29 |
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24 |
29 |
mA |
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Current |
100EL |
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24 |
29 |
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24 |
29 |
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24 |
29 |
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30 |
36 |
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VEE |
Power Supply |
10EL |
±4.75 |
±5.2 |
±5.5 |
±4.75 |
±5.2 |
±5.5 |
±4.75 |
±5.2 |
±5.5 |
±4.75 |
±5.2 |
±5.5 |
V |
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Voltage |
100EL |
±4.20 |
±4.5 |
±5.5 |
±4.20 |
±4.5 |
±5.5 |
±4.20 |
±4.5 |
±5.5 |
±4.20 |
±4.5 |
±5.5 |
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IIH |
Input HIGH Current |
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150 |
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150 |
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150 |
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150 |
μA |
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AC CHARACTERISTICS (VEE = VEE(min) to VEE(max); VCC = GND)
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±40°C |
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0°C |
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25°C |
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85°C |
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Symbol |
Characteristic |
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Min |
Typ |
Max |
Min |
Typ |
Max |
Min |
Typ |
Max |
Min |
Typ |
Max |
Unit |
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fMAX |
Maximum Toggle |
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1.8 |
2.8 |
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2.2 |
2.8 |
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2.2 |
2.8 |
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2.2 |
2.8 |
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GHz |
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Frequency |
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tPLH |
Propagation Delay |
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ps |
tPHL |
to Output |
CLK |
325 |
465 |
605 |
375 |
465 |
555 |
385 |
475 |
565 |
440 |
530 |
620 |
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R |
305 |
455 |
605 |
355 |
455 |
555 |
355 |
465 |
565 |
410 |
510 |
620 |
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tS |
Setup Time |
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150 |
0 |
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150 |
0 |
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150 |
0 |
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150 |
0 |
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ps |
tH |
Hold Time |
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250 |
100 |
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250 |
100 |
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250 |
100 |
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250 |
100 |
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ps |
tRR |
Reset Recovery |
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400 |
200 |
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400 |
200 |
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400 |
200 |
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400 |
200 |
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ps |
tPW |
Minimum Pulse Width |
400 |
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400 |
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400 |
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400 |
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ps |
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CLK, Reset |
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V |
Minimum Input Swing1 |
150 |
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150 |
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150 |
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150 |
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mV |
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PP |
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V |
Common Mode Range2 |
±0.4 |
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See2 |
±0.4 |
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See2 |
±0.4 |
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See2 |
±0.4 |
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See2 |
V |
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CMR |
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tr |
Output Rise/Fall Times Q |
100 |
225 |
350 |
100 |
225 |
350 |
100 |
225 |
350 |
100 |
225 |
350 |
ps |
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tf |
(20% ± 80%) |
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1.Minimum input swing for which AC parameters are guaranteed.
2.The CMR range is referenced to the most positive side of the differential input signal. Normal operation is obtained if the HIGH level falls within
the specified range and the peak-to-peak voltage lies between VPPmin and 1V. The lower end of the CMR range is dependent on VEE and is equal to VEE + 2.5V.
MOTOROLA |
3±2 |
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