NCN7200
Data Switch, Gigabit
Ethernet LAN, with 2:1
Mux/ DeMux and
Power-Down Feature
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The NCN7200 is pin−compatible to the PI3L720ZHE and comes in
a 42−pin WQFN package (3.5 mm x 9 mm x 0.5 mm Pitch). The
NCN7200 is an 8−channel, bidirectional switch with a power
shutdown feature that puts all outputs in a high−impedance state. The
switch is compatible with 10/100/1000 Base−T Ethernet standards.
The device has 3 additional lines for status indicator LEDs which are
switched together with the Ethernet pairs.
Features
•
•
•
•
•
•
•
•
MARKING
DIAGRAM
NCN7200
AWLYYWWG
1
WQFN42
CASE 510AP
2:1 Mux/ DeMux LAN Switch
Three Extra Channels Facilitate LED Switching
Fully Specified for Power Supply Range: 3 V to 3.6 V
Powerdown Feature Conserves Energy
ESD Protection
♦ 8 kV HBM (Human Body Model, I/O to GND)
♦ 10 kV Contact Discharge (IEC61000−4−2)
Low Crosstalk: −70 dB
Pin−to−Pin Replacement for PI3L720ZHE
This is a Pb−Free Device
A
WL
YY
WW
G
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
ORDERING INFORMATION
Typical Applications
• Routes signals for 10/100/1000 Mbps Ethernet
• Facilitates Docking System by Interfacing One Controller to Dual
See detailed ordering and shipping information in the package
dimensions section on page 9 of this data sheet.
Connectors
© Semiconductor Components Industries, LLC, 2011
March, 2011 − Rev. 2
1
Publication Order Number:
NCN7200/D
NCN7200
A0+
B0+
A0−
B0−
C0+
.
.
.
C0−
.
.
.
A3+
B3+
A3−
B3−
C3+
C3−
LEDA0
LEDB0
LEDC0
LEDA1
LEDB1
LEDC1
LEDA2
LEDB2
LEDC2
SEL
PD
POWER
DOWN
Figure 1. Detailed Block Diagram
TRUTH TABLE
PD
SEL
Function
L
L
AX to BX; LEDAX to LEDBX
L
H
AX to CX; LEDAX to LEDCX
H
X
Hi−Z
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2
LEDA2
LEDB2
LEDC2
VDD
42
41
40
39
NCN7200
VDD
1
38
B0+
A0+
2
37
B0−
3
36
C0+
VDD
4
35
C0−
PD
5
34
B1+
A1+
6
33
B1−
A1−
7
32
C1+
VDD
8
31
C1−
A2+
9
30
VDD
A2−
10
29
B2+
A3+
11
28
B2−
A3−
12
27
C2+
SEL
13
26
C2−
VDD
14
25
B3+
LEDA0
15
24
B3−
LEDA1
16
23
C3+
LEDB0
17
22
C3−
20
21
LEDC1
VDD
19
LEDC0
18
Exposed Pad
on
Underside
(Connect to GND)
LEDB1
A0−
Figure 2. Pin Description
(Top View)
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3
NCN7200
PIN DESCRIPTION
Pin Name
Description
AX+, AX−
Port A DeMux I/O
BX+, BX−
Port B Mux I/O
CX+, CX−
Port C LED Mux I/O
GND
Ground
LEDZX
LED I/O
PD
Powerdown, Active high,
with internal pulldown resistor
SEL
Select
VDD
Power
MAXIMUM RATINGS
Value
Unit
Storage Temperature
Description
−65 to +150
°C
Supply Voltage to Ground Potential
−0.5 to +4.0
V
DC Input Voltage
−0.5 to +5.5
V
DC Output Current (Note 1)
120
mA
Power Dissipation (Note 1)
0.5
W
Stresses exceeding Maximum Ratings may damage the device. Maximum Ratings are stress ratings only. Functional operation above the
Recommended Operating Conditions is not implied. Extended exposure to stresses above the Recommended Operating Conditions may
affect device reliability.
1. Continuous short−circuit operation to ground at elevated ambient temperature can result in exceeding the maximum allowed junction
temperature of 150°C. Output currents in excess of 45 mA over long term may adversely affect reliability. Shorting output to either V+
or V− will adversely affect reliability.
GIGABIT ETHERNET LAN SWITCH WITH 2:1 MUX/ DEMUX AND POWER DOWN FEATURE
(Min / Max values are at VDD = 3.3 V ±10%, TA = −40°C to +85°C. Typ values are at VDD = 3.3 V and TA = 25°C)
Symbol
Description
Test Conditions
Min
Typ
Max
Unit
3.0
3.3
3.6
V
POWER SUPPLY CHARACTERISTICS (Note 2)
VDD
IDD−Standby
IDD−Active
IDD−PD
Power DC Supply Voltage
Quiescent Power Supply Current
VDD = 3.6 V, VIN = GND or VDD
0.38
0.45
mA
Active Power Supply Current
VDD = 3.6 V, VIN = VDD or GND
1.0
1.5
mA
PD = 1, VDD = 3.6 V, VIN = VDD or GND
0.13
0.16
mA
Power Down Current
2. Active power represents normal data communication. Standby power is when the device is enabled for operation but there is no LAN traffic
(cable not connected). Power down current is the minimum power state used when not connected and mobile.
3. Measured by the voltage drop between A and B pins at indicated current through the switch. ON resistance is determined by the lower
of the voltages on the two (A & B) pins.
4. Guaranteed by design and/or characterization.
5. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance.
The time constant for the switch alone is of the order of 0.25 ns for 10 pF load. Since this time constant is much smaller than the rise/fall
times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in
a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side.
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4
NCN7200
GIGABIT ETHERNET LAN SWITCH WITH 2:1 MUX/ DEMUX AND POWER DOWN FEATURE
(Min / Max values are at VDD = 3.3 V ±10%, TA = −40°C to +85°C. Typ values are at VDD = 3.3 V and TA = 25°C)
Symbol
Description
Test Conditions
Min
Typ
Max
Unit
CONTROL LOGIC (SEL AND PD PINS) DC ELECTRICAL CHARACTERISTICS FOR 1000 BASE−T ETHERNET SWITCHING
VIH
Input HIGH Voltage
Guaranteed HIGH level
2.0
VIL
Input LOW Voltage
Guaranteed LOW level
−0.5
VIK
Clamp Diode Voltage
VDD = Max, IIN = −18 mA
V
0.8
−0.7
−1.0
IIHSEL
Input HIGH Current (SEL)
VDD = Max, VIN = VDD
±0.1
IIHPD
Input High Current (PD)
VDD = Max, VIN = VDD
±1.2
Input LOW Current
VDD = Max, VIN = GND
±0.1
VDD = 0 V, VIN = 0 V to VDD
±0.1
IIL
IOFF
Off−Leakage Current (SEL)
A
DATA PATH (AX TO BX, CX PINS) DC ELECTRICAL CHARACTERISTICS FOR 1000 BASE−T ETHERNET SWITCHING
VDD = Min, 1.5 V < VIN < VDD, ITN = −40 mA
2.0
RFLAT(ON)
On−Resistance Flatness (Note 3)
VDD = Min, VIN @ 1.5 V and VDD, ITN =
−40 mA
0.3
RON
On−Resistance match from center
ports to any other port (Note 3)
VDD = Min, 1.5 V < VIN < VDD, ITN = −40 mA
0.5
ION
On Leakage Current (AX)
VDD = 3.6 V, VAX = 0 V or VDD, VOUT = Float
−0.1
+0.1
A
IOFF
Off Leakage Current (AX/BX/CX)
VDD = 3.6 V, VIN = 0 V or VDD, VOUT = VDD or
0V
−0.1
+0.1
A
RON
Switch On−Resistance (Note 3)
6.0
1.0
DATA PATH (LEDAX TO LEDBX, LEDCX PINS) DC ELECTRICAL CHARACTERISTICS FOR 1000 BASE−T ETHERNET
SWITCHING
RON
Switch On−Resistance (Note 3)
VDD = Min, 1.5 V < VIN < VDD, ITN = −40 mA
7.0
RFLAT(ON)
On−Resistance Flatness (Note 3)
VDD = Min, VIN @ 1.5 V and VDD, ITN =
−40 mA
0.3
RON
On−Resistance match from center
ports to any other port (Note 3)
VDD = Min, 1.5 V < VIN < VDD, ITN = −40 mA
0.8
16
1.25
ION
On Leakage Current (LEDAX)
VDD = 3.6 V, VAX = 0 V or VDD, VOUT = Float
−0.1
+0.1
A
IOFF
Off Leakage Current
(LEDAX/LEDBX/LEDCX)
VDD = 3.6 V, VIN = 0 V or VDD, VOUT = VDD or
0V
−0.1
+0.1
A
CONTROL LOGIC (SEL AND PD PINS) DC ELECTRICAL CHARACTERISTICS FOR 10/100 BASE−T ETHERNET SWITCHING
VIH
Input HIGH Voltage
Guaranteed HIGH level (Control Pins)
2.0
VIL
Input LOW Voltage
Guaranteed LOW level (Control Pins)
−0.5
VIK
Clamp Diode Voltage
VDD = Max, IN = −18 mA
V
0.8
−0.7
−1.0
IIHSEL
Input HIGH Current (SEL)
VDD = Max, VIN = VDD
±0.1
IIHPD
Input HIGH Current (PD)
VDD = Max, VIN = VDD
±1.2
Input LOW Current
VDD = Max, VIN = GND
±0.1
VDD = 0 V, VIN = 0 V to VDD
±0.1
IIL
IOFF
Off−Leakage Current (SEL)
A
2. Active power represents normal data communication. Standby power is when the device is enabled for operation but there is no LAN traffic
(cable not connected). Power down current is the minimum power state used when not connected and mobile.
3. Measured by the voltage drop between A and B pins at indicated current through the switch. ON resistance is determined by the lower
of the voltages on the two (A & B) pins.
4. Guaranteed by design and/or characterization.
5. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance.
The time constant for the switch alone is of the order of 0.25 ns for 10 pF load. Since this time constant is much smaller than the rise/fall
times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in
a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side.
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5
NCN7200
GIGABIT ETHERNET LAN SWITCH WITH 2:1 MUX/ DEMUX AND POWER DOWN FEATURE
(Min / Max values are at VDD = 3.3 V ±10%, TA = −40°C to +85°C. Typ values are at VDD = 3.3 V and TA = 25°C)
Symbol
Description
Test Conditions
Min
Typ
Max
Unit
DATA PATH (AX TO BX, CX PINS) DC ELECTRICAL CHARACTERISTICS FOR 10/100 BASE−T ETHERNET SWITCHING
Switch On−Resistance (Note 3)
VDD = Min, 1.25 V < VIN < VDD, ITN = −10 mA
to −30 mA
2.0
RFLAT(ON)
On−Resistance Flatness (Note 3)
VDD = Min, 1.25 V < VIN < VDD, ITN = −10 mA
to −30 mA
0.8
RON
On−Resistance match from center
ports to any other port (Note 3)
VDD = Min, 1.25 V < VIN < VDD, ITN = −10 mA
to −30 mA
0.8
RON
6.0
1.3
ION
On Leakage Current (AX)
VDD = 3.6 V, VAX = 0 V or VDD, VOUT = Float
−0.1
+0.1
A
IOFF
Off Leakage Current (AX/BX/CX)
VDD = 3.6 V, VIN = 0 V or VDD, VOUT = VDD or
0V
−0.1
+0.1
A
DATA PATH (LEDAX TO LEDBX, LEDCX PINS) DC ELECTRICAL CHARACTERISTICS FOR 10/100 BASE−T ETHERNET
SWITCHING
RON
Switch On−Resistance (Note 3)
VDD = Min, 1.25 V < VIN < VDD, ITN = −10 mA
to −30 mA
7.0
RFLAT(ON)
On−Resistance Flatness (Note 3)
VDD = Min, 1.25 V < VIN < VDD, ITN = −10 mA
to −30 mA
0.3
RON
On−Resistance match from center
ports to any other port (Note 3)
VDD = Min, 1.25 V < VIN < VDD, ITN = −10 mA
to −30 mA
0.8
16
1.25
ION
On Leakage Current (LEDAX)
VDD = 3.6 V, VAX = 0 V or VDD, VOUT = Float
−0.1
+0.1
A
IOFF
Off Leakage Current
(LEDAX/LEDBX/LEDCX)
VDD = 3.6 V, VIN = 0 V or VDD, VOUT = VDD or
0V
−0.1
+0.1
A
pF
CAPACITANCE (AX TO BX, CX AND LEDAX TO LEDBX, LEDCX PINS) (Note 4)
CIN
COFF(B1,
VIN = 0 V, f = 1 MHz
Input Capacitance
3.0
4.0
Port B Capacitance, Switch OFF
5.0
7.0
A/B Capacitance, Switch ON
10.5
12
B2)
CON(A/B)
DYNAMIC ELECTRICAL CHARACTERISTICS (AX TO BX AND LEDAX TO LEDBX PINS) (Note 5)
BW
Bandwidth −3 dB
OIRR
XTALK
RL = 100 (Figure 3)
750
MHz
OFF Isolation
RL = 100 , f = 250 MHz (Figure 7)
−30
dB
Crosstalk
RL = 100 , f = 250 MHz (Figure 8)
−70
SWITCHING CHARACTERISTICS (AX TO BX AND LEDAX TO LEDBX PINS) (Notes 4 and 5)
tPD
Propagation Delay (Figure 4)
ns
0.3
tPZH, tPZL
Line Enable Time − SEL to AN, BN (Figure 4)
0.5
15
tPHZ, tPLZ
Line Disable Time − SEL to AN, BN (Figure 4)
0.5
25
tSK(o)
Output Skew between center port to any other port
0.1
0.2
tSK(p)
Skew between opposite transitions of the same output (tHil, − tPLH)
0.1
0.2
2. Active power represents normal data communication. Standby power is when the device is enabled for operation but there is no LAN traffic
(cable not connected). Power down current is the minimum power state used when not connected and mobile.
3. Measured by the voltage drop between A and B pins at indicated current through the switch. ON resistance is determined by the lower
of the voltages on the two (A & B) pins.
4. Guaranteed by design and/or characterization.
5. The bus switch contributes no propagational delay other than the RC delay of the ON resistance of the switch and the load capacitance.
The time constant for the switch alone is of the order of 0.25 ns for 10 pF load. Since this time constant is much smaller than the rise/fall
times of typical driving signals, it adds very little propagational delay to the system. Propagational delay of the bus switch when used in
a system is determined by the driving circuit on the driving side of the switch and its interactions with the load on the driven side.
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6
NCN7200
50
DUT
Reference
Input
Output
50
VNA Source
Port 1
50
VNA Return
Port 2
Control Line
Figure 3. Bandwidth
1.2 V
VDD
2.5 V
SEL
Open
1.25 V
200
0V
RP
SEL
Pulse
Generator
VIN
D.U.T.
1.25 V
Output
VOUT
tPZL
tPLZ
VDD/2
10pF
CL
200
VOL + 0.3V
VOL
tPHZ
tPZH
50
VOH
VOH
VOH − 0.3V
VDD/2
Output
Figure 4. Three−State and tpd Test Setup
Figure 5. Three−State Timing Diagram
SWITCH POSITIONS
Test
Switch
tPLZ, tPZL (Output on B−Side)
1.2 V
tPHZ, tPZH (Output on B−Side)
GND
tPD
OPEN
VOL
ANALOG
IN
VCC
50%
GND
tPD(HL)
tPD(LH)
ANALOG
OUT
VOUT
50%
Figure 6. Propagation Delay
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7
NCN7200
DUT
NC
(Sense)
Transmitted
COM
Output
50
50
Generator
(Force)
NO
50
SEL
Figure 7. Off−Isolation
+3.3V
0V or VDD
0V
SEL
PD
0.1 F
VDD
A0+
NCN7200
A0−
50
All unused
I/O ports
B1+
B1−
Network
Analyzer
PORT 1
VIN+
50
PORT 2
VIN−
50
PORT 3
VOUT+
50
PORT 4
VOUT−
50
GND
ǒ
Differential Crosstalk + 20log
Ǔ
V OUT) * V OUT*
V IN) * V IN*
Measurements are standardized against shorts at IC terminals.
Differential Crosstalk is measured between any two non−adjacent pairs.
Figure 8. Differential Crosstalk
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8
NCN7200
APPLICATION INFORMATION
Logic Inputs
Power−Supply Sequencing
The logic control inputs can be driven up to +3.6 V
regardless of the supply voltage. For example, given a
+3.3 V supply, the output enables or select pins may be
driven low to 0 V and high to 3.6 V: driving the control pins
to the rails minimizes power consumption.
Proper power−supply sequencing is advised for all CMOS
devices. It is recommended to always apply VDD before
applying signals to the input/output or control pins.
ORDERING INFORMATION
Device
NCN7200MTTWG
Package
Shipping†
WQFN42
(Pb−Free)
2000 / Tape & Reel
†For information on tape and reel specifications, including part orientation and tape sizes, please refer to our Tape and Reel Packaging
Specifications Brochure, BRD8011/D.
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9
MECHANICAL CASE OUTLINE
PACKAGE DIMENSIONS
WQFN42 3.5x9, 0.5P
CASE 510AP−01
ISSUE O
DATE 15 FEB 2010
1
SCALE 2:1
PIN ONE
REFERENCE
ÇÇ
ÇÇ
ÇÇ
ÇÇ
NOTES:
1. DIMENSIONING AND TOLERANCING PER ASME
Y14.5M, 1994.
2. CONTROLLING DIMENSION: MILLIMETERS.
3. DIMENSION b APPLIES TO PLATED TERMINAL
AND IS MEASURED BETWEEN 0.15 AND 0.30 MM
FROM TERMINAL TIP.
4. COPLANARITY APPLIES TO THE EXPOSED PAD
AS WELL AS THE TERMINALS.
A B
D
L
L
L1
DETAIL A
E
ALTERNATE TERMINAL
CONSTRUCTIONS
DIM
A
A1
A3
b
D
D2
E
E2
e
K
L
L1
ÉÉ
ÉÉ
EXPOSED Cu
0.15 C
0.15 C
MOLD CMPD
DETAIL B
TOP VIEW
ALTERNATE
CONSTRUCTION
A
0.10 C
A3
GENERIC
MARKING DIAGRAM*
0.08 C
DETAIL B
NOTE 4
A1
SIDE VIEW
C
XXXXXXXX
XXXXXXXX
AWLYYWWG
SEATING
PLANE
0.10 C A B
D2
DETAIL A
17
42X
22
L
b
0.10 C A B
0.05 C
XXXXX
A
WL
YY
WW
G
K
42X
NOTE 3
38
= Specific Device Code
= Assembly Location
= Wafer Lot
= Year
= Work Week
= Pb−Free Package
*This information is generic. Please refer
to device data sheet for actual part
marking. Pb−Free indicator, “G”, may
or not be present.
E2
1
MILLIMETERS
MIN
MAX
0.70
0.80
0.00
0.05
0.20 REF
0.20
0.30
3.50 BSC
1.95
2.15
9.00 BSC
7.45
7.65
0.50 BSC
0.20
−−−
0.30
0.50
0.00
0.15
RECOMMENDED
MOUNTING FOOTPRINT
0.10 C A B
9.30
42X
e
0.63
e/2
BOTTOM VIEW
0.50
PITCH
3.80 2.16
1
42X
0.35
PACKAGE
OUTLINE
DIMENSIONS: MILLIMETERS
DOCUMENT NUMBER:
DESCRIPTION:
98AON48316E
WQFN42 3.5X9, 0.5P
Electronic versions are uncontrolled except when accessed directly from the Document Repository.
Printed versions are uncontrolled except when stamped “CONTROLLED COPY” in red.
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