Motorola MC100LVEL51DR2, MC100LVEL51, MC100LVEL51D Datasheet



SEMICONDUCTOR TECHNICAL DATA

4–1

REV 1

 Motorola, Inc. 1996

8/96

  

The MC100LVEL51 is a differential clock D flip-flop with reset. The
device is functionally equivalent to the EL51 device, but operates from a
low voltage supply. With propagation delays and output transition times
essentially equal to the EL51, the LVEL51 is ideally suited for those
applications which require the ultimate in AC performance at 3.3V VCC.

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 LVEL51 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 conditions. When left open, the CLK input will be pulled down
to VEE and the CLK

input will be biased at VCC/2.

• 475ps Propagation Delay

• 2.8GHz Toggle Frequency

• Operates from –3.3V (or 3.3V) Supply

• 75kΩ Internal Input Pulldown Resistors

• >2000V ESD Protection

1

2

3

4 5

6

78Q

V

EE

V

CC

LOGIC DIAGRAM AND PINOUT ASSIGNMENT

D

QCLK

CLK

R

D

R

Flip-Flop



TRUTH TABLE

D

L

H

X

R

L

L

H

CLK

Z

Z

X

Q

L

H

L

Z = LOW to HIGH Transition

1

8

D SUFFIX

PLASTIC SOIC PACKAGE

CASE 751-05

MC100LVEL51

MOTOROLA ECLinPS and ECLinPS Lite

DL140 — Rev 3

4–2

DC CHARACTERISTICS (VEE = VEE(min) to VEE(max); VCC = GND)

–40°C 0°C 25°C 85°C

Symbol Characteristic Min Typ Max Min Typ Max Min Typ Max Min Typ Max Unit

I

EE

Power Supply Current 30 35 30 35 30 35 32 37 mA

V

EE

Power Supply Voltage –3.0 –3.3 –3.8 –3.0 –3.3 –3.8 –3.0 –3.3 –3.8 –3.0 –3.3 –3.8 V

I

IH

Input HIGH Current 150 150 150 150 µA

I

IL

Input LOW Current CLK

Other

–600

0.5

–600

0.5

–600

0.5

–600

0.5

µA

AC CHARACTERISTICS (VEE = VEE(min) to VEE(max); VCC = GND)

–40°C 0°C 25°C 85°C

Symbol Characteristic Min Typ Max Min Typ Max Min Typ Max Min Typ Max Unit

f

MAX

Maximum Toggle
Frequency

2.7 2.9 2.9 2.9 GHz

t

PLH

t

PHL

Propagation Delay
to Output CLK

R

330
340

510
540

330
340

510
540

340
350

520
550

370
390

550
590

ps

t

S

Setup Time 150 0 150 0 150 0 150 0 ps

t

H

Hold Time 200 100 200 100 200 100 200 100 ps

t

RR

Reset Recovery 350 200 350 200 350 200 350 200 ps

t

PW

Minimum Pulse CLK
Width Reset

400
500

400
500

400
500

400
500

ps

V

PP

Minimum Input Swing

1

150 150 150 150 mV

V

CMR

Common Mode Range

2

VPP < 500mV
VPP ≥ 500mV

–2.0
–1.8

–0.4
–0.4

–2.1
–1.9

–0.4
–0.4

–2.1
–1.9

–0.4
–0.4

–2.1
–1.9

–0.4
–0.4

V

t

r

t

f

Output Rise/Fall Times Q
(20% – 80%)

120 320 120 320 120 320 120 320 ps

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 varies 1:1 with VEE. The
numbers in the spec table assume a nominal VEE = –3.3V. Note for PECL operation, the V

CMR

(min) will be fixed at 3.3V – |V

CMR

(min)|.

MC100LVEL51

4–3 MOTOROLAECLinPS and ECLinPS Lite

DL140 — Rev 3

OUTLINE DIMENSIONS

D SUFFIX

PLASTIC SOIC PACKAGE

CASE 751–05

ISSUE P

SEATING
PLANE

1

4

58

C

K

4X P

A0.25 (0.010)MT B

S S

0.25 (0.010)

M

B

M

8X D

R

M

J

X 45

_

_

F

–A–

–B–

–T–

DIM MIN MAX

MILLIMETERS

A 4.80 5.00
B 3.80 4.00
C 1.35 1.75
D 0.35 0.49

F 0.40 1.25
G 1.27 BSC
J 0.18 0.25
K 0.10 0.25
M 0 7
P 5.80 6.20
R 0.25 0.50

__

G

NOTES:

1. DIMENSIONS A AND B ARE DATUMS AND T IS A
DATUM SURFACE.

2. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.

3. DIMENSIONS ARE IN MILLIMETER.

4. DIMENSION A AND B DO NOT INCLUDE MOLD
PROTRUSION.

5. MAXIMUM MOLD PROTRUSION 0.15 PER SIDE.

6. DIMENSION D DOES NOT INCLUDE MOLD
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 TOTAL IN EXCESS
OF THE D DIMENSION AT MAXIMUM MATERIAL
CONDITION.

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MC100LVEL51/D

*MC100LVEL51/D*

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