NB6N11S
3.3 V 1:2 AnyLevelE Input
to LVDS Fanout Buffer /
Translator
Description
The NB6N11S is a differential 1:2 Clock or Data Receiver and will
accept AnyLevel input signals: LVPECL, CML, LVCMOS, LVTTL,
or LVDS. These signals will be translated to LVDS and two identical
copies of Clock or Data will be distributed, operating up to 2.0 GHz or
2.5 Gb/s, respectively. As such, the NB6N11S is ideal for SONET,
GigE, Fiber Channel, Backplane and other Clock or Data distribution
applications.
The NB6N11S has a wide input common mode range from
GND + 50 mV to V
CC
− 50 mV. Combined with the 50
W
internal
termination resistors at the inputs, the NB6N11S is ideal for
translating a variety of differential or single−ended Clock or Data
signals to 350 mV typical LVDS output levels.
The NB6N11S is functionally equivalent to the EP11, LVEP11,
SG11 or 7L11M devices and is offered in a small, 3 mm X 3 mm,
16−QFN package. Application notes, models, and support
documentation are available at
www.onsemi.com.
The NB6N11S is a member of the ECLinPS MAX™ family of high
performance products.
Features
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MARKING
DIAGRAM*
16
1
1
QFN−16
MN SUFFIX
CASE 485G
NB6N
11S
ALYW
G
G
A
L
Y
W
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
•
•
•
•
•
•
•
Maximum Input Clock Frequency > 2.0 GHz
Maximum Input Data Rate > 2.5 Gb/s
1 ps Maximum of RMS Clock Jitter
Typically 10 ps of Data Dependent Jitter
380 ps Typical Propagation Delay
120 ps Typical Rise and Fall Times
Functionally Compatible with Existing 3.3 V LVEL, LVEP, EP, and
SG Devices
•
These are Pb−Free Devices
(Note: Microdot may be in either location)
*For additional marking information, refer to
Application Note AND8002/D.
Q0
V
TD
D
D
Q0
V
TD
Q1
Q1
VOLTAGE (130 mV/div)
Figure 1. Logic Diagram
Device DDJ = 10 ps
ORDERING INFORMATION
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
TIME (58 ps/div)
Figure 2. Typical Output Waveform at 2.488 Gb/s with
PRBS 2
23−1
(V
INPP
= 400 mV; Input Signal DDJ = 14 ps)
©
Semiconductor Components Industries, LLC, 2014
1
November, 2014 − Rev. 7
Publication Order Number:
NB6N11S/D
NB6N11S
Exposed Pad (EP)
V
CC
V
CC
V
CC
V
CC
16
Q0
Q0
Q1
Q1
15
14
13
1
2
NB6N11S
3
4
12 V
TD
11 D
10 D
9
V
TD
5
V
CC
6
NC
7
V
EE
8
V
EE
Figure 3. NB6N11S Pinout, 16−pin QFN
(Top View)
Table 1. PIN DESCRIPTION
Pin
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
EP
Name
Q0
Q0
Q1
Q1
V
CC
NC
V
EE
V
EE
V
TD
D
D
V
TD
V
CC
V
CC
V
CC
V
CC
−
LVPECL, CML, LVDS,
LVCMOS, LVTTL
LVPECL, CML, LVDS,
LVCMOS, LVTTL
−
−
−
−
−
I/O
LVDS Output
LVDS Output
LVDS Output
LVDS Output
−
Description
Non−inverted D output. Typically loaded with 100
W
receiver termination
resistor across differential pair.
Inverted D output. Typically loaded with 10
W
receiver termination resistor
across differential pair.
Non−inverted D output. Typically loaded with 100
W
receiver termination
resistor across differential pair.
Inverted D output. Typically loaded with 100
W
receiver termination resistor
across differential pair.
Positive Supply Voltage
No Connect
Negative Supply Voltage
Negative Supply Voltage
Internal 50
W
termination pin for D
Inverted Differential Clock/Data Input (Note 1)
Non−inverted Differential Clock/Data Input (Note 1)
Internal 50
W
termination pin for D
Positive Supply Voltage
Positive Supply Voltage
Positive Supply Voltage
Positive Supply Voltage
Exposed pad. The exposed pad (EP) on the package bottom must be
attached to a heat−sinking conduit. The exposed pad may only be
electrically connected to V
EE
.
1. In the differential configuration when the input termination pins (VTD/VTD) are connected to a common termination voltage or left open, and
if no signal is applied on D/D inputs, then the device will be susceptible to self oscillation.
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2
NB6N11S
Table 2. ATTRIBUTES
Characteristics
ESD Protection
Human Body Model
Machine Model
Charged Device Model
Pb Pkg
−
Value
> 2 kV
> 200 V
> 1 kV
Pb−Free Pkg
1
Moisture Sensitivity, Indefinite Time Out of Drypack (Note 2)
QFN−16
Flammability Rating
Transistor Count
Meets or exceeds JEDEC Spec EIA/JESD78 IC Latchup Test
2. For additional information, see Application Note AND8003/D.
Oxygen Index: 28 to 34
UL 94 V−0 @ 0.125 in
225 Devices
Table 3. MAXIMUM RATINGS
Symbol
V
CC
V
IN
I
IN
I
OSC
Parameter
Positive Power Supply
Positive Input
Input Current Through R
T
(50
W
Resistor)
Output Short Circuit Current
Line−to−Line (Q to Q)
Line−to−End (Q or Q to GND)
Operating Temperature Range
Storage Temperature Range
Thermal Resistance (Junction−to−Ambient) (Note 3)
Thermal Resistance (Junction−to−Case)
Wave Solder
Pb
Pb−Free
0 lfpm
500 lfpm
1S2P (Note 3)
QFN−16
QFN−16
QFN−16
Condition 1
GND = 0 V
GND = 0 V
Static
Surge
Q or Q
Q to Q to GND
QFN−16
Continuous
Continuous
V
IN
≤
V
CC
Condition 2
Rating
3.8
3.8
35
70
12
24
−40 to +85
−65 to +150
41.6
35.2
4.0
265
265
°C
°C
°C/W
°C/W
°C/W
°C
Unit
V
V
mA
mA
mA
T
A
T
stg
q
JA
q
JC
T
sol
Stresses exceeding those listed in the Maximum Ratings table may damage the device. If any of these limits are exceeded, device functionality
should not be assumed, damage may occur and reliability may be affected.
3. JEDEC standard multilayer board − 1S2P (1 signal, 2 power) with 8 filled thermal vias under exposed pad.
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3
NB6N11S
Table 4. DC CHARACTERISTICS, CLOCK INPUTS, LVDS OUTPUTS
V
CC
= 3.0 V to 3.6 V, GND = 0 V, T
A
= −40°C to +85°C
Symbol
I
CC
Power Supply Current (Note 8)
Characteristic
Min
Typ
35
Max
50
Unit
mA
DIFFERENTIAL INPUTS DRIVEN SINGLE−ENDED
(Figures 15, 16, 20, and 22)
V
th
V
IH
V
IL
Input Threshold Reference Voltage Range (Note 7)
Single−ended Input HIGH Voltage
Single−ended Input LOW Voltage
GND +100
V
th
+ 100
GND
V
CC
− 100
V
CC
V
th
− 100
mV
mV
mV
DIFFERENTIAL INPUTS DRIVEN DIFFERENTIALLY
(Figures 11, 12, 13, 14, 21, and 23)
V
IHD
V
ILD
V
CMR
V
ID
R
TIN
Differential Input HIGH Voltage
Differential Input LOW Voltage
Input Common Mode Range (Differential Configuration)
Differential Input Voltage (V
IHD
− V
ILD
)
Internal Input Termination Resistor
100
GND
GND + 50
100
40
50
V
CC
V
CC
− 100
V
CC
− 50
V
CC
60
mV
mV
mV
mV
W
LVDS OUTPUTS
(Note 4)
V
OD
DV
OD
V
OS
DV
OS
V
OH
V
OL
Differential Output Voltage
Change in Magnitude of V
OD
for Complementary Output States (Note 9)
Offset Voltage (Figure 19)
Change in Magnitude of V
OS
for Complementary Output States (Note 9)
Output HIGH Voltage (Note 5)
Output LOW Voltage (Note 6)
900
250
0
1125
0
1
1425
1075
1
450
25
1375
25
1600
mV
mV
mV
mV
mV
mV
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.
4. LVDS outputs require 100
W
receiver termination resistor between differential pair. See Figure 18.
5. V
OH
max = V
OS
max +
½
V
OD
max.
6. V
OL
max = V
OS
min −
½
V
OD
max.
7. V
th
is applied to the complementary input when operating in single−ended mode.
8. Input termination pins open, D/D at the DC level within V
CMR
and output pins loaded with R
L
= 100
W
across differential.
9. Parameter guaranteed by design verification not tested in production.
Product parametric performance is indicated in the Electrical Characteristics for the listed test conditions, unless otherwise noted. Product
performance may not be indicated by the Electrical Characteristics if operated under different conditions.
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4
NB6N11S
Table 5. AC CHARACTERISTICS
V
CC
= 3.0 V to 3.6 V, GND = 0 V; (Note 10)
−40°C
Symbol
V
OUTPP
Characteristic
Output Voltage Amplitude (@ V
INPPmin
)
(Figure 4)
Maximum Operating Data Rate
Differential Input to Differential Output
Propagation Delay
Duty Cycle Skew (Note 11)
Within Device Skew (Note 16)
Device−to−Device Skew (Note 15)
RMS Random Clock Jitter (Note 13)
Deterministic Jitter (Note 14)
f
in
= 1.0 GHz
f
in
= 1.5 GHz
f
DATA
= 622 Mb/s
f
DATA
= 1.5 Gb/s
f
DATA
= 2.488 Gb/s
100
Q, Q
70
120
f
in
≤
1.0 GHz
f
in
= 1.5 GHz
f
in
= 2.0 GHz
Min
220
200
170
1.5
270
Typ
350
300
270
2.5
370
8
5
30
0.5
0.5
6
7
10
470
45
25
100
1
1
20
20
V
CC
−
GND
170
100
70
120
Max
Min
250
200
170
1.5
270
25°C
Typ
350
300
270
2.5
370
8
5
30
0.5
0.5
6
7
10
470
45
25
100
1
1
20
20
V
CC
−
GND
170
100
70
120
Max
Min
250
200
170
1.5
270
85°C
Typ
350
300
270
2.5
370
8
5
30
0.5
0.5
6
7
10
470
45
25
100
1
1
20
20
V
CC
−
GND
170
mV
ps
Max
Unit
mV
f
DATA
t
PLH
,
t
PHL
t
SKEW
Gb/s
ps
ps
t
JITTER
ps
V
INPP
t
r
t
f
Input Voltage Swing/Sensitivity
(Differential Configuration) (Note 12)
Output Rise/Fall Times @ 250 MHz
(20% − 80%)
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.
10. Measured by forcing V
INPPmin
with 50% duty cycle clock source and V
CC
− 1400 mV offset. All loading with an external R
L
= 100
W
across
“D” and “D” of the receiver. Input edge rates 150 ps (20%−80%).
11. See Figure 17 differential measurement of t
skew
= |t
PLH
− t
PHL
| for a nominal 50% differential clock input waveform @ 250 MHz.
12. Input voltage swing is a single−ended measurement operating in differential mode.
13. RMS jitter with 50% Duty Cycle clock signal at 750 MHz.
14. Deterministic jitter with input NRZ data at PRBS 2
23
−1 and K28.5.
15. Skew is measured between outputs under identical transition @ 250 MHz.
16. The worst case condition between Q0/Q0 and Q1/Q1 from D, D, when both outputs have the same transition.
400
OUTPUT VOLTAGE AMPLITUDE (mV)
350
300
250
200
150
100
50
0
0
0.5
1
1.5
2
2.5
3
INPUT CLOCK FREQUENCY (GHz)
85°C
25°C
−40°C
Figure 4. Output Voltage Amplitude (V
OUTPP
) versus
Input Clock Frequency (f
in
) and Temperature (@ V
CC
= 3.3 V)
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