ONSEMI MC10EL15

MOTOROLA
SEMICONDUCTOR TECHNICAL DATA
1:4 Clock Distribution Chip
MC10EL15
MC100EL15
The MC10EL/100EL15 is a low skew 1:4 clock distribution chip
designed explicitly for low skew clock distribution applications. The
device can be driven by either a differential or single-ended ECL or, if
positive power supplies are used, PECL input signal. If a single-ended
input is to be used the VBB output should be connected to the CLK input
and bypassed to ground via a 0.01µF capacitor. The VBB output is
designed to act as the switching reference for the input of the EL15 under
single-ended input conditions, as a result this pin can only source/sink up
to 0.5mA of current.
The EL15 features a multiplexed clock input to allow for the distribution
of a lower speed scan or test clock along with the high speed system
clock. When LOW (or left open and pulled LOW by the input pulldown
resistor) the SEL pin will select the differential clock input.
16
1
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751B-05
The common enable (EN) is synchronous so that the outputs will only
be enabled/disabled when they are already in the LOW state. This avoids
any chance of generating a runt clock pulse when the device is
enabled/disabled as can happen with an asynchronous control. The
internal flip flop is clocked on the falling edge of the input clock, therefore
all associated specification limits are referenced to the negative edge of
the clock input.
•
•
•
•
•
50ps Output-to-Output Skew
Synchronous Enable/Disable
PIN DESCRIPTION
Multiplexed Clock Input
75kΩ Internal Input Pulldown Resistors
>1000V ESD Protection
LOGIC DIAGRAM AND PINOUT ASSIGNMENT
VCC
EN
16
15
SCLK CLK
14
13
1
CLK
VBB
SEL
VEE
12
11
10
9
0
D
Q
1
2
3
4
5
6
7
8
Q0
Q0
Q1
Q1
Q2
Q2
Q3
Q3
PIN
FUNCTION
CLK
SCLK
EN
SEL
VBB
Q0–3
Diff Clock Inputs
Scan Clock Input
Sync Enable
Clock Select Input
Reference Output
Diff Clock Outputs
FUNCTION TABLE
CLK
SCLK
SEL
EN
Q
L
H
X
X
X
X
X
L
H
X
L
L
H
H
X
L
L
L
L
H
L
H
L
H
L*
* On next negative transition of
CLK or SCLK
5/95
 Motorola, Inc. 1996
3–1
REV 2
MC10EL15 MC100EL15
ABSOLUTE MAXIMUM RATINGS1
Symbol
Characteristic
Rating
Unit
VEE
Power Supply (VCC = 0V)
–8.0 to 0
VDC
VI
Input Voltage (VCC = 0V)
0 to –6.0
VDC
Iout
Output Current
50
100
mA
TA
Operating Temperature Range
–40 to +85
°C
Continuous
Surge
VEE
Operating Range1,2
–5.7 to –4.2
1. Absolute maximum rating, beyond which, device life may be impaired, unless otherwise specified on an individual data sheet.
2. Parametric values specified at: 100EL Series: –4.20V to –5.50V
10EL Series:
–4.94V to –5.50V
V
10EL SERIES
DC CHARACTERISTICS (VEE = VEE(min) – VEE(max); VCC = GND1)
–40°C
Symbol
Characteristic
Min
0°C
Max
Min
25°C
Max
Min
85°C
Max
Min
Max
Unit
VOH
Output HIGH Voltage
–1080
–890
–1020
–840
–980
–810
–910
–720
mV
VOL
Output LOW Voltage
–1950
–1650
–1950
–1630
–1950
–1630
–1950
–1595
mV
VIH
Input HIGH Voltage
–1230
–890
–1170
–840
–1130
–810
–1060
–720
mV
VIL
Input LOW Voltge
–1950
–1500
–1950
–1480
–1950
–1480
–1950
–1445
mV
IIL
Input LOW Current
0.5
—
0.5
—
0.5
—
0.3
—
µA
1. 10EL circuits are designed to meet the DC specifications shown in the table after thermal equilibrium has been established. The circuit is in
a test socket or mounted on a printed circuit board and transverse airflow greater than 500lfpm is maintained. Outputs are terminated through
a 50Ω resistor to –2.0V except where otherwise specified on the individual data sheets.
100EL SERIES
DC CHARACTERISTICS (VEE = VEE(min) – VEE(max); VCC = GND1)
–40°C
Symbol
Characteristic
0°C to 85°C
Min
Typ
Max
Min
Typ
Max
Unit
Condition
VOH
Output HIGH Voltage
–1085
–1005
–880
–1025
–955
–880
mV
VIN = VIH(max)
VOL
Output LOW Voltage
–1830
–1695
–1555
–1810
–1705
–1620
mV
or VIL(min)
VOHA
Output HIGH Voltage
–1095
—
—
–1035
—
—
mV
VIN = VIH(max)
VOLA
Output LOW Voltage
—
—
–1555
—
—
–1610
mV
or VIL(min)
VIH
Input HIGH Voltage
–1165
—
–880
–1165
—
–880
mV
VIL
Input LOW Voltge
–1810
—
–1475
–1810
—
–1475
mV
IIL
Input LOW Current
0.5
—
—
0.5
—
—
µA
VIN = VIL(max)
1. This table replaces the three tables traditionally seen in ECL 100K data books. The same DC parameter values at VEE = –4.5V now apply across
the full VEE range of –4.2V to –5.5V. Outputs are terminated through a 50Ω resistor to –2.0V except where otherwise specified on the individual
data sheets.
MOTOROLA
3–2
ECLinPS and ECLinPS Lite
DL140 — Rev 3
MC10EL15 MC100EL15
AC/DC CHARACTERISTICS (VEE = VEE(min) to VEE(max); VCC = GND)
–40°C
Symbol
IEE
Characteristic
Min
Power Supply Current
10EL
100EL
Typ
Max
25
25
35
35
–1.30
–1.26
Min
25°C
Typ
Max
25
25
35
35
–1.38
–1.38
–1.27
–1.26
Min
Typ
Max
25
25
35
35
Min
Max
Unit
25
25
35
38
mA
IIH
Input High Current
tPLH
tPHL
Propagation Delay
CLK to Q (Diff)
CLK to Q (SE)
SCLK to Q
tSKEW
Part-to-Part Skew
Within-Device Skew1
tS
Setup Time EN
150
150
150
150
ps
tH
HoldTime EN
400
400
400
400
ps
VPP
Minimum Input Swing CLK2
250
VCMR
Common
CLK3
–2.0
Range
150
–1.25 –1.31
–1.26 –1.38
Typ
Output Reference 10EL
Voltage
100EL
150
–1.35
–1.38
85°C
VBB
Mode
–1.43
–1.38
0°C
150
–1.19
–1.26
V
150
µΑ
ps
460
410
410
660
710
710
470
420
420
610
720
720
200
50
200
50
250
–0.4
470
420
420
610
720
720
200
50
250
–2.0
–0.4
500
450
470
–2.0
700
750
750
200
50
250
–0.4
–2.0
ps
mV
–0.4
V
tr
Output Rise/Fall Times Q
325
575
325
575
325
575
ps
tf
(20% – 80%)
1. Skews are specified for identical LOW-to-HIGH or HIGH-to-LOW transitions.
2. Minimum input swing for which AC parameters guaranteed. The device has a DC gain of ≈40.
3. 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.
ECLinPS and ECLinPS Lite
DL140 — Rev 3
3–3
MOTOROLA
MC10EL15 MC100EL15
OUTLINE DIMENSIONS
D SUFFIX
PLASTIC SOIC PACKAGE
CASE 751B-05
ISSUE J
–A–
16
NOTES:
1. DIMENSIONING AND TOLERANCING PER ANSI
Y14.5M, 1982.
2. CONTROLLING DIMENSION: MILLIMETER.
3. DIMENSIONS A AND B DO NOT INCLUDE
MOLD PROTRUSION.
4. MAXIMUM MOLD PROTRUSION 0.15 (0.006)
PER SIDE.
5. DIMENSION D DOES NOT INCLUDE DAMBAR
PROTRUSION. ALLOWABLE DAMBAR
PROTRUSION SHALL BE 0.127 (0.005) TOTAL
IN EXCESS OF THE D DIMENSION AT
MAXIMUM MATERIAL CONDITION.
9
–B–
1
P
8 PL
0.25 (0.010)
8
B
M
S
G
R
K
F
X 45 _
C
–T–
SEATING
PLANE
J
M
D
16 PL
0.25 (0.010)
M
T B
S
A
S
DIM
A
B
C
D
F
G
J
K
M
P
R
MILLIMETERS
MIN
MAX
9.80
10.00
3.80
4.00
1.35
1.75
0.35
0.49
0.40
1.25
1.27 BSC
0.19
0.25
0.10
0.25
0_
7_
5.80
6.20
0.25
0.50
INCHES
MIN
MAX
0.386
0.393
0.150
0.157
0.054
0.068
0.014
0.019
0.016
0.049
0.050 BSC
0.008
0.009
0.004
0.009
0_
7_
0.229
0.244
0.010
0.019
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the suitability of its products for any particular purpose, nor does Motorola assume any liability arising out of the application or use of any product or circuit, and
specifically disclaims any and all liability, including without limitation consequential or incidental damages. “Typical” parameters which may be provided in Motorola
data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals”
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arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that
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are registered trademarks of Motorola, Inc. Motorola, Inc. is an Equal
Opportunity/Affirmative Action Employer.
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◊
MOTOROLA
3–4
*MC10EL15/D*
MC10EL15/D
ECLinPS and ECLinPS Lite
DL140 — Rev 3