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MAX4566CEE+ |MAX4566CEEMAXN/a28avaiQuad Dual, Low-Voltage, Bidirectional RF Video Switches
MAX4566CSE+MAXIMN/a10avaiQuad Dual, Low-Voltage, Bidirectional RF Video Switches
MAX4567EEE+ |MAX4567EEEMAXN/a48avaiQuad Dual, Low-Voltage, Bidirectional RF Video Switches
MAX4567ESE+TMAXIMN/a1500avaiQuad Dual, Low-Voltage, Bidirectional RF Video Switches
MAX4565CAP+ |MAX4565CAPMAXIMN/a289avaiQuad Dual, Low-Voltage, Bidirectional RF Video Switches


MAX4567ESE+T ,Quad Dual, Low-Voltage, Bidirectional RF Video SwitchesMAX4565/MAX4566/MAX456719-1252; Rev 0; 7/97Quad/Dual, Low -Voltage,Bidirectional RF/Video Sw itches ..
MAX4568EUK+T ,±15kV ESD-Protected, Low-Voltage, SPDT/SPST, CMOS Analog SwitchesFeaturesThe MAX4561/MAX4568/MAX4569 are low-voltage,♦ ESD-Protected NO, NCESD-protected analog swit ..
MAX456CPL ,8 x 8 Video Crosspoint SwitchFeaturesThe MAX456 is the first monolithic CMOS 8 x 8 video ' Routes Any Input Channel to Any Outpu ..
MAX456CPL ,8 x 8 Video Crosspoint SwitchMAX45619-2858; Rev 2; 2/948 x 8 Video Crosspoint Switch_______________
MAX456CPL+ ,8x8 Crosspoint Video SwitchFeaturesThe MAX456 is the first monolithic CMOS 8 x 8 video ♦ Routes Any Input Channel to Any Outpu ..
MAX456CQH ,8 x 8 Video Crosspoint SwitchApplicationsD1/SER OUT V+ 140Video Test EquipmentD0/SER IN2 OUT039Video Security SystemsA23 D238Vid ..
MAX866ESA ,3.3V/5V or Adjustable-Output / Single-Cell DC-DC ConvertersELECTRICAL CHARACTERISTICS(Circuit of Figure 2, V = 1.2V, I = 0mA, T = +25°C, unless otherwise note ..
MAX866ESA+ ,3.3V/5V or Adjustable Output, Single-Cell DC-DC ConvertersELECTRICAL CHARACTERISTICS(Circuit of Figure 2, V = 1.2V, I = 0mA, T = +25°C, unless otherwise note ..
MAX866EUA+ ,3.3V/5V or Adjustable-Output / Single-Cell DC-DC ConvertersApplicationsPART TEMP. RANGE PIN-PACKAGEPagers MAX866C/D 0°C to +70°C Dice*Remote Controls MA ..
MAX8677AETG+ ,1.5A Dual-Input, USB/AC Adapter Charger and Smart Power SelectorFeaturesThe MAX8677A is an integrated 1-cell Li+ charger and♦ Complete Charger and Smart Power Sele ..
MAX8677AETG+T ,1.5A Dual-Input, USB/AC Adapter Charger and Smart Power Selectorfeatures include overvoltage protection (OVP),charge status and fault outputs, power-OK monitors,Or ..
MAX8677CETG , 1.5A Dual-Input USB/AC Adapter Charger and Smart Power Selector


MAX4565CAP+-MAX4566CEE+-MAX4566CSE+-MAX4567EEE+-MAX4567ESE+T
Quad Dual, Low-Voltage, Bidirectional RF Video Switches
_______________General Description
The MAX4565/MAX4566/MAX4567 are low-voltage
T-switches designed for switching RF and video signals
from DC to 350MHz in 50Ωand 75Ωsystems. The
MAX4565 contains four normally open single-pole/single-
throw (SPST) switches. The MAX4566 contains two dual
SPST switches (one normally open, one normally closed.)
The MAX4567 contains two single-pole/double-throw
(SPDT) switches.
Each switch is constructed in a “T” configuration, ensuring
excellent high-frequency off isolation and crosstalk of
-83dB at 10MHz. They can handle Rail-to-Rail®analog sig-
nals in either direction. On-resistance (60Ωmax) is
matched between switches to 2.5Ωmax and is flat (2Ω
max) over the specified signal range, using ±5V supplies.
The off leakage current is less than 5nA at +25°C and
50nA at +85°C.
These CMOS switches can operate with dual power sup-
plies ranging from ±2.7V to ±6V or a single supply
between +2.7V and +12V. All digital inputs have 0.8V/2.4V
logic thresholds, ensuring both TTL- and CMOS-logic com-
patibility when using ±5V or a single +5V supply.
________________________Applications

RF Switching
Video Signal Routing
High-Speed Data Acquisition
Test Equipment
ATE Equipment
Networking
____________________________Features
High 50ΩOff Isolation: -83dB at 10MHzLow 50ΩCrosstalk: -87dB at 10MHzDC to 350MHz -3dB Signal Bandwidth60ΩSignal Paths with ±5V Supplies2.5ΩSignal-Path Matching with ±5V Supplies2ΩSignal-Path Flatness with ±5V SuppliesLow 50ΩInsertion Loss: 2.5dB at 100MHz±2.7V to ±6V Dual Supplies
+2.7V to +12V Single Supply
Low Power Consumption: <1μW Rail-to-Rail Bidirectional Signal HandlingPin Compatible with Industry-Standard DG540,
DG542, DG643
>2kV ESD Protection per Method 3015.7TTL/CMOS-Compatible Inputs
with Single +5V or ±5V
Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches

TOP VIEW
MAX4566
DIP/SO/QSOP

IN2
COM2
GND2
NO2
NC3
GND3
COM3
N01
GND1
COM1
IN1
COM4
GND4
NC4
IN2
COM2
GND2
NO2N01
GND1
COM1
IN1
GND6
N03
GND3GND4
N04
GND5
COM3
IN3IN4
COM4
MAX4565
DIP/SO/SSOP

MAX4567
DIP/SO/QSOP

N02
GND2
COM2
GND3
NC2
IN2
GND1
N01
IN1
NC1
GND4
COM1
MAX4565
SWITCHES SHOWN
FOR LOGIC “0” INPUT
LOGICSWITCH
OFF
MAX4567
LOGICNO-COM
OFF
NC-COM
OFF
MAX4566
LOGIC1, 2
OFF
3, 4
OFF
_____________________Pin Configurations/Functional Diagrams/Truth Tables

19-1252; Rev 0; 7/97
______________Ordering Information
Ordering Information continued at end of data sheet.

Rail-to-Rail is a registered trademark of Nippon Motorola Ltd.
PART
MAX4565CPP

MAX4565CWP0°C to +70°C
0°C to +70°C
TEMP. RANGEPIN-PACKAGE

20 Plastic DIP
20 Wide SO
Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches
ABSOLUTE MAXIMUM RATINGS
ELECTRICAL CHARACTERISTICS—Dual Supplies

(V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, VINL= 0.8V, VINH= 2.4V, VGND_= 0V, TA= TMINto TMAX, unless otherwise noted. Typical
values are at TA= +25°C.)
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
(Voltages Referenced to GND)...........................................................................-0.3V, +13.0V
V-............................................................................-13.0V, +0.3V
V+ to V-...................................................................-0.3V, +13.0V
All Other Pins (Note 1)..........................(V- - 0.3V) to (V+ + 0.3V)
Continuous Current into Any Terminal..............................±25mA
Peak Current into Any Terminal
(pulsed at 1ms, 10% duty cycle)..................................±50mA
ESD per Method 3015.7..................................................>2000V
Continuous Power Dissipation (TA= +70°C) (Note 2)
16-Pin Plastic DIP
(derate 10.53mW/°C above +70°C)..........................842mW
16-Pin Narrow SO
(derate 8.70mW/°C above +70°C)............................696mW
16-Pin QSOP (derate 8.3mW/°C above +70°C)..........667mW
20-Pin Plastic DIP (derate 8.0mW/°C above +70°C)...640mW
20-Pin Wide SO (derate 10.00mW/°C above +70°C)..800mW
20-Pin SSOP (derate 8.0mW/°C above +70°C)..........640mW
Operating Temperature Ranges
MAX456_C_ E.....................................................0°C to +70°C
MAX456_E_ E..................................................-40°C to +85°C
Storage Temperature Range.............................-65°C to +150°C
Lead Temperature (soldering, 10sec).............................+300°C
Note 1:
Voltages on all other pins exceeding V+ or V- are clamped by internal diodes. Limit forward diode current to maximum cur-
rent rating.
V+ = 4.5V, V- = -4.5V,
VCOM_= ±2V, ICOM_= 10mA
(Note 3)
V+ = 5.5V, V- = -5.5V,
VCOM_= ±4.5V
V+ = 4.5V, V- = -4.5V,
VCOM_= ±2V, ICOM_= 10mA
V+ = 5V; V- = -5V; VCOM_= 1V,
0V, -1V; ICOM= 10mA
V+ = 5.5V, V- = -5.5V,
VCOM_= ±4.5V, VN_=4.5V
V+ = 5.5V, V- = -5.5V,
VCOM_= ±4.5V, VN_=4.5V
VIN_ = 0.8V or 2.4V
CONDITIONS
-10.031IINH_, IINL_IN_ Input Current Logic High or
Low4660RONSignal-Path On-ResistanceV- V+VCOM_,
VNO_,VNC_Analog Signal Range0.81.5VIN_LIN_ Input Logic Threshold Low1.52.4VIN_HIN_ Input Logic Threshold High-20.042ICOM_(ON)COM_ On Leakage Current
(Note 6)12.5ΔRONSignal-Path On-Resistance Match
Between Channels (Note 4)0.32RFLAT(ON)Signal-Path On-Resistance
Flatness (Note 5)-10.021INO_(OFF),
INC_(OFF)
NO_, NC_ Off Leakage Current
(Note 6)-10.021ICOM_(OFF)COM_ Off Leakage Current
(Note 6)
UNITSMINTYPMAX

(Note 2)SYMBOLPARAMETER
+25°C
C, E
C, E
C, E
+25°C
+25°C
+25°C
+25°C
+25°C
C, E
C, E
C, E
C, E-1010
C, E
C, E3
ANALOG SWITCH
LOGIC INPUT

MAX4565
Quad/Dual, Low-Voltage
Bidirectional RF/Video Switches

VIN= 5Vp-p, f < 20kHz,
600Ωin and out
Figure 6, RL= 50Ω
VNO_= GND, f = 1MHz, Figure 7= 1.0nF, VNO_= 0V, RS= 0Ω,
Figure 5
VCOM_= ±3V, V+ = 5V, V- = -5V,
Figure 4
VCOM_= ±3V, V+ = 5V, V- = -5V,
Figure 3
VCOM_= ±3V, V+ = 5V, V- = -5V,
Figure 3
CONDITIONS
0.02THD+NDistortion
MHz350BW-3dB Bandwidth (Note 9)
COM_ Off Capacitance2.5CN_(OFF)NO_, NC_ Off Capacitance2560QCharge Injection
(Note 3)530tBBMBreak-Before-Make Time Delay
(MAX4566/MAX4567 only)30100tOFFTurn-Off Time75150tONTurn-On Time
UNITSMINTYPMAX

(Note 2)SYMBOLPARAMETER
V- = -5.5V
V+ = 5.5V, all VIN_= 0V or V+-10.051I-V - Supply Current-10.051I+V+ Supply Current-6+6V+, V-Power-Supply Range
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
+25°C
C, E
VCOM_= 0V,
f = 1MHz,
Figure 7CCOM_(OFF)+25°CVCOM_= VNO_= 0V,
f = 1MHz, Figure 7pF
CCOM_(ON)COM_ On Capacitance+25°C
-82= 50Ω,
VCOM_= 1VRMS,
f = 10MHz, Figure 6
VISOOff Isolation (Note 7)+25°C
MAX4565
MAX4566
MAX4567
MAX4565
MAX4566
MAX4567
C, E-1010
C, E-1010
C, E120
C, E200
ELECTRICAL CHARACTERISTICS—Dual Supplies (continued)

(V+ = +4.5V to +5.5V, V- = -4.5V to -5.5V, VINL= 0.8V, VINH= 2.4V, VGND_= 0V, TA= TMINto TMAX, unless otherwise noted. Typical
values are at TA= +25°C.)
MAX4565,
MAX4566
-92MAX4565
MAX4566
MAX4567
-85= 50Ω, VCOM_=
1VRMS, f = 10MHz,
Figure 6
VCTChannel-to-Channel Crosstalk
(Note 8)+25°C
SWITCH DYNAMIC CHARACTERISTICS
POWER SUPPLY
MAX4567
Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches
= 50W,Figure 6= 1.0nF, VNO= 2.5V, = 0Ω, Figure 5
VCOM_= 3V, V+ = 5V,
Figure 4
V+ = 4.5V, VCOM_= 3.5V,
ICOM_= 1mA
VCOM_= 3V, V+ = 5V,
Figure 3
(Note 3)
VCOM_= 3V, V+ = 5V,
Figure 3
VIN_= 0.8V or 2.4V
V+ = 5.5V; VCOM_= 1V, 4.5V
V+ = 5.5V, VCOM_= 1V,
VN_= 4.5V
V+ = 4.5V, VCOM_= 3.5V,
ICOM_= 1mA
V+ = 5.5V, VCOM_= 1V,
VN_= 4.5V
CONDITIONS

320BW-3dB Bandwidth (Note 9)725QCharge Injection1090tBBMBreak-Before-Make Time Delay
(MAX4566/MAX4567 only)150120tOFFTurn-Off Time250
130200tONTurn-On Time-10.0011IINH_, IINL_IN_ Input Current Logic High or
Low0.81.5VIN_LIN_ Input Logic Threshold Low1.52.4VIN_HIN_ Input Logic Threshold High-2020120RONSignal-Path On-Resistance0V+VCOM_,
VNO_, VNC_Analog Signal Range2ICOM_(ON)COM_ On Leakage Current
(Notes 6, 10)-10101ICOM_(OFF)COM_ Off Leakage Current
(Notes 6, 10)-10101505ΔRONSignal-Path On-Resistance
MatchΩ61INO_(OFF),
INC_(OFF)
NO_, NC_ Off Leakage Current
(Notes 6, 10)
UNITSMINTYPMAX

(Note 2)SYMBOLPARAMETER
MHz+25°C
+25°C
+25°C
+25°C
C, E
+25°C
+25°C
C, E
+25°C
C, E
+25°C
C, E
C, E
C, E
+25°C
C, E
C, E
+25°C
C, E
+25°C
C, E
ELECTRICAL CHARACTERISTICS—Single +5V Supply

(V+ = +4.5V to +5.5V, V- = 0V, VINL= 0.8V, VINH= 2.4V, VGND_= 0V, TA= TMINto TMAX, unless otherwise noted. Typical values are
at TA= +25°C.)
V+ = 5.5V, all VIN_= 0V or V+-10.051I+V+ Supply CurrentμA-1010
+25°C
C, E= 50Ω, f = 10MHz,
VCOM_= 1VRMS,
Figure 6-81VISOOff-Isolation
(Note 7)+25°C= 50Ω, f = 10MHz,
VCOM_= 1VRMS,
Figure 6-86VCTChannel-to-Channel Crosstalk
(Note 8)+25°C
ANALOG SWITCH
LOGIC INPUT
SWITCH DYNAMIC CHARACTERISTICS
POWER SUPPLY
V+ Supply Current
Quad/Dual, Low-Voltage
Bidirectional RF/Video Switches
ELECTRICAL CHARACTERISTICS—Single +3V Supply

(V+ = +2.7V to +3.6V, V- = 0V, VINL= 0.8V, VINH= 2.4V, VGND_ = 0V, TA= TMINto TMAX, unless otherwise noted. Typical values are
at TA= +25°C.)
V+ = 2.7V, VCOM_= 1V,
ICOM_= 1mA
(Note 3)
V+ = 3.6V, all VIN_= 0V or V+
VCOM_= 1.5V, V+ = 2.7V,
Figure 3 (Note 3)
VCOM_= 1.5V, V+ = 2.7V,
Figure 4 (Note 3)
VIN_= 0.8V or 2.4V (Note 3)
(Note 3)
(Note 3)
VCOM_= 1.5V, V+ = 2.7V,
Figure 3 (Note 3)
CONDITIONS
-10.051I+V+ Supply Current10120tBBMBreak-Before-Make Time Delay
(MAX4566/MAX4567 only)120100tOFFTurn-Off Time
150350RONSignal-Path On-Resistance0V+VCOM_,
VNO_, VNC_ Analog Signal Range600
270500tONTurn-On Time-11IINH_, IINL_IN_ Input Current Logic High or
Low4501.02.4VIN_HIN_ Input Logic Threshold High0.81.0VIN_LIN_ Input Logic Threshold Low
UNITSMINTYPMAX

(Note 2)SYMBOLPARAMETER
+25°C
+25°C
+25°C
C, E
+25°C
+25°C
C, E
C, E
C, E
C, E
C, E
+25°C
-1010C, E
ANALOG SWITCH
LOGIC INPUT
SWITCH DYNAMIC CHARACTERISTICS (Note 3)
POWER SUPPLY
Note 2:
The algebraic convention is used in this data sheet; the most negative value is shown in the minimum column.
Note 3:
Guaranteed by design.
Note 4:
ΔRON= ΔRON(MAX)- ΔRON(MIN).
Note 5:
Resistance flatness is defined as the difference between the maximum and the minimum value of on-resistance as mea-
sured over the specified analog signal range.
Note 6:
Leakage parameters are 100% tested at the maximum rated hot temperature and guaranteed by correlation at +25°C.
Note 7:
Off isolation = 20log10[VCOM/ (VNCor VNO)], VCOM= output, VNCor VNO= input to off switch.
Note 8:
Between any two switches.
Note 9:
-3dB bandwidth is measured relative to 100kHz.
Note 10:
Leakage testing for single-supply operation is guaranteed by testing with dual supplies.
Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches
__________________________________________Typical Operating Characteristics

(V+ = +5V, V- = -5V, TA= +25°C, GND = 0V, packages are surface mount, unless otherwise noted.)
ON RESISTANCE vs. VCOM
(DUAL SUPPLIES)
4565TO
C01
VCOM (V)
(W)100
V+ = 1.2V,
V- = -1.2V
V+ = 5V,
V- = -5V
V+ = 3.3V,
V- = -3.3V
V+ = 2V,
V- = -2VV+ = 2.7V,
V- = -2.7V-3-2-4-1012345
ON-RESISTANCE vs. VCOM
AND TEMPERATURE
(DUAL SUPPLIES)

AX4565 TOC
VCOM (V)
(W
TA = -40°C
TA = +85°C
TA = 0°C
TA = +25°C
TA = +125°C
ON RESISTANCE vs. VCOM
(SINGLE SUPPLY)
AX4565TOC02
VCOM (V)
(W)100
V+ = 10V
V+ = 5V
V+ = 7.5V
V+ = 3.3V
V+ = 2.7V
V+ = 2V
V- = 0V
ON-RESISTANCE vs. VCOM
AND TEMPERATURE
(SINGLE SUPPLY)
AX4565 TOC
VCOM (V)
(W
TA = 0°C
TA = +25°C
TA = +125°C
TA = -55°C
TA = +85°C
250±3±4±5±6±8
ON/OFF TIME vs.
SUPPLY VOLTAGE

4565 TO
C07
V+, V- (V)
, tO
(n
tON
tOFF
ON/OFF-LEAKAGE CURRENT vs.
TEMPERATURE
AX4565 TO
C05
TEMPERATURE (°C)
(nON LEAKAGE
OFF LEAKAGE
CHARGE INJECTION vs. VCOM
AX4565 TOC
VCOM (V)
j (pDUAL
SUPPLIES
SINGLE
SUPPLY
ON/OFF TIME vs.
TEMPERATURE
X4565 TO
C08
TEMPERATURE (°C)
, tO
(n
tON
tOFF
tON
tOFF
POWER-SUPPLY CURRENT
vs. TEMPERATURE
AX4565 TOC
TEMPERATURE (°C)
, I- (m
Quad/Dual, Low-Voltage
Bidirectional RF/Video Switches

LOGIC-LEVEL THRESHOLD VOLTAGE vs.
V+ SUPPLY VOLTAGE
X4565TO
C10
V+ (V)
(V
MAX4565
FREQUENCY RESPONSE
MAX14565 TOC11
FREQUENCY (MHz)
(d
(D
ON LOSS
OFF ISOLATION
ADJACENT CHANNEL
CROSSTALK
OPPOSITE
CHANNEL
CROSSTALK
ON PHASE
MAX4566
FREQUENCY RESPONSE
MAX4565 TOC12
FREQUENCY (MHz)
(d
(D
INSERTION LOSS (ON)
PHASE (ON)
OFF
ISOLATION
ADJACENT
CHANNEL
CROSSTALK
(ON)
OPPOSITE
CHANNEL
CROSSTALK (ON)
MAX4567
FREQUENCY RESPONSE
AX4565toc13
FREQUENCY (MHz)
(d
(D100
ON LOSS
ON PHASE
CROSSTALK
OFF
ISOLATION
0.011k100k10k100
MAX4567
TOTAL HARMONIC DISTORTION
vs. FREQUENCY

AX14565 TOC
FREQUENCY (Hz)
(%
V+ = +5V
V- = -5V
SIGNAL = 5Vp-p
600W IN AND OUT
____________________________Typical Operating Characteristics (continued)

(V+ = +5V, V- = -5V, TA= +25°C, GND = 0V, packages are surface mount, unless otherwise noted.)
_______________Theory of Operation
The MAX4565/MAX4566/MAX4567 are high-frequency
“T” switches. Each “T” switch consists of two series
CMOS switches, with a third N-channel switch at the
junction that shunts capacitively-coupled signals to
ground when the series switches are off. This produces
superior high-frequency signal isolation when the
switch is turned off.
Logic-Level Translators

The MAX4565/MAX4566/MAX4567 are constructed as
high-frequency “T” switches, as shown in Figure 1. The
logic-level input, IN_, is translated by amplifier A1 into a
V+ to V- logic signal that drives amplifier A2. (Amplifier
A2 is an inverter for normally closed switches.)
Amplifier A2 drives the gates of N-channel MOSFETs
N1 and N2 from V+ to V-, turning them fully on or off.
The same signal drives inverter A3 (which drives the
P-channel MOSFETs P1 and P2) from V+ to V-, turning
them fully on or off, and drives the N-channel MOSFET
N3 off and on.
The logic-level threshold is determined by V+ and
GND_. The voltage on GND_ is usually at ground
potential, but it may be set to any voltage between
(V+ - 2V) and V-. When the voltage between V+ and
GND_ is less than 2V, the level translators become very
slow and unreliable. Since individual switches in each
package have individual GND_ pins, they may be set to
different voltages. Normally, however, they should all
be connected to the ground plane.itch On Condition
When the switch is on, MOSFETs N1, N2, P1, and P2
are on and MOSFET N3 is off. The signal path is COM_
to NO_, and because both N-channel and P-channel
MOSFETs act as pure resistances, it is symmetrical
(i.e., signals may pass in either direction). The off
MOSFET, N3, has no DC conduction, but has a small
Quad/Dual, Low-Voltage,
Bidirectional RF/Video Switches
______________________________________________________________Pin Description
NAMEFUNCTION*
MAX4565

1, 10, 11,IN_Digital Control Input
PIN

3, 6, 8, 13,
15, 18GND_RF and Logic Ground. Grounds are not internally connected to each other,
and should all be connected to a ground plane (see Groundingsection).V+Positive Supply-Voltage Input (analog and digital)
2, 9, 12, 19COM_Analog Switch Common** TerminalsNC_Analog Switch Normally Closed** Terminals
4, 7, 14, 17NO_Analog Switch Normally Open** TerminalsV-Negative Supply-Voltage Input. Connect to ground plane for single-supply
operation.
MAX4566

1, 16
3, 7, 10, 14
2, 8, 9, 15
6, 11
4, 13
MAX4567

1, 9
4, 6, 12, 14
7, 15
5, 13
8, 10
2, 16
3, 11All pins have ESD diodes to V- and V+.NO_ (or NC_) and COM_ pins are identical and interchangeable. Either may be considered as an input or output; signals pass
equally well in either direction.A2A3
(NC)
GND_
IN_
COM_NO_D
NORMALLY OPEN SWITCH CONSTRUCTION

COM_ - NO_IN_
OFF
ESD DIODES
ON GND_, IN_,
COM_, NO_, AND NC_
Figure 1. T-Switch Construction
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