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Excerpt
All electrical maximum ratings, characteristics, connector pin-out and specifications.

Overview

Input Power Supply Voltage
Current Drawn @ +3.3V, +5V, +12V, +28V
Power
Compliance
- MIL-STD-1275

PCB Footprint (OEM Procts only)

Figure : PCB Footprint
- Recommended dimensions and tolerances of mounting holes
- Hole to Hole dimensions
- Hole to Connector dimensions

Electrical Absolute Maximum Rating

Absolute Maximum Rating for BOX Products

Item	Rating	Unit
VCC to VSS	± 36	V
VSS to GND		V
VSS to MAIN_SGND		V
VSS to AUX_SGND		V
Digital Input Voltage to Signal Reference ( GND, MAIN_SGND, AUX_SGND ... )		V
Digital Ouput Voltage to Signal Reference ( GND, MAIN_SGND, AUX_SGND ... )		V
Rx+, Rx-, Logic inputs pins input voltage to signal GND	± 18	V
Logic output Max current	50	mA
CANH, CANL	± 80	V
ESD protection (Tx, Rx, Input & Output pins, CANH, CANL)	± 15	kV

Absolute Maximum Rating for OEM Products

Item	Rating	Unit
All pins to signal GND	-0.3 to 5.5 V	V
All input pins clamp current	-50	mA
All output pins clamp current	50	mA
VDD, EN ESD Rating -Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001	±1500	V
VDD, EN ESD Rating - Charged-device model (CDM), per JEDEC specification JESD22- C101	±500	V
VDD_IO & All other IO pinsESD Rating -Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001	±8000	V
VDD_IO & All other IO pinsESD Rating - Charged-device model (CDM), per JEDEC specification JESD22- C101	±1000	V
RESERVED pins -Human-body model (HBM), per ANSI/ESDA/JEDEC JS-001	±1000	V
RESERVED pins- Charged-device model (CDM), per ANSI/ESDA/JEDEC JS- 002	±250	V

Precaution about ESD

Refer to : Handling Section

Interfaces Specifications

Connector : MAIN

Figure : I/O Connector Pinout relative to footprint
- Notch/Index reference
- Mounting holes, top view
- Pin arrangement/numbering : Pin 1, Pin N/2-1, Pin N/2, Pin N, top view

Board Connection Overview
- Figure : Assembly 3D view
  - Fasteners
  - Mating connectors or cables
- Connectors Specifications
  - Connector Overview
    - Identification
  - Connector Environmental & Mechanical Specifications
    - Table :
      - Characteristic Performance & Standard
      - Sealing performance (Mated & unmated)
      - Sealing performance soft caps
      - Operating Temperature Range
      - Corrosion Resistance Salt mist
      - Endurance mating cycles
      - Vibration, random
      - Shock
      - Characteristic Performance Standard
      - Shell Resistance
      - Insulation Resistance
      - Shielding Effectiveness
    - Connector Keying
      - Table : Connector Keying
        Connector
        Key Code
        Key Pattern

PCB Footprint

Figure : PCB Footprint

- - Hole to Hole dimensions
  - Hole to Connector dimensions

I/O Connector Specifications

Table : I/O Connector Specifications

Onboard connector

Manufacturer
Manufacturer P/N
Description

Mating connectors

Manufacturer
Manufacturer P/N
Description

Figure : I/O Connector Pinout relative to footprint

Notch/Index reference
Mounting holes, top view
Pin arrangement/numbering : Pin 1, Pin N/2-1, Pin N/2, Pin N, top view

Table : I/O Connector Pinout

Pin #
Pin/Signal Name
Type
Description
Connection Tips

Table : I/O Electrical SpecificationsPower Supply ( Condition – Min – Nom – Max – Unit )

Input Voltage Range

Typical Power Consumption

Current Consumption

Pin out table

Contact #	Signal Name	Type	Description	Connection Tips

Power Supply Specifications

Recommended Operation

Item	Condition	Min.	Typ.	Max	Unit
Input Voltage Range	-	4.5	5	5.5	V
Typical Power Consumption	Over full Input Voltage Range with/without GNSS Antennas				W
Current Consumption	VCC - VSS = +5V				mA
Voltage Spike Protection Energy
Voltage Surge Protection
Reverse Voltage Protection

LVTTL

RS232

RS422Driver Specifications

Parameter Condition Min Nominal Max Unit

Differential Driver Output Voltage

Difference in Magnitude of Driver

Differential Output Voltage for Complementary Output States

Driver Common Mode Output Voltage

Difference in Magnitude of Driver

Common Mode Output Voltage for Complementary Output States

Maximum Driver Short-Circuit CurrentReceiver Specifications

I/O Interface Specification

Refer to Mechanical Specifications for more details about onboard and mating connectors

Item	Condition	Min.	Typ.	Max	Unit
LVTT Inputs pins Input Capacitance pF
Low level input voltage		-	-	0.8	V
High level input voltage		2	-	-	V
Input current		- 20	-	- 40	µA
LVTTL Outputs pins
Low level output voltage		-	00	04	V
High level output voltage		28	33	-	V
Max output current		0	-	20	mA
Sync Out pins Input low level voltage Input high level voltage Weak pull-up equivalent resistor Output low voltage Output high voltage Output drive current Output high to low fall time Output low to high rise time Output Frequency
High Level Output voltage	ILoad< 100μA		3.2		V
High Level Output voltage	ILoad< 16mA		2.6		V
Low Level Output voltage	ILoad< 100μA		0.1		V
Low Level Output voltage	ILoad< 16mA		0.4		V
RS232 Inputs, Sync In pins Input low level voltage Input high level voltage Weak pull-up equivalent resistor Output low voltage Output high voltage Output drive current Output high to low fall time Output low to high rise time Output Frequency Input Capacitance 2 pF
Input range		-15	-	+15	V
Low level threshold		0.6	-	-	V
High level threshold			-	2.0	V
Input resistance		3	5	7	kΩ
RS232 Outputs pins
Output range		+/-5	+/-5.5	-	V
RS-422 Input pins Parameter Condition Min Nominal Max Unit Receiver Input Resistance 96 125 k Ω Receiver Termination Resistance Enabled Receiver Input Current (Rx- to Rx+) Receiver Differential Input Threshold Voltage (RX- minus RX+) Receiver Input Failsafe Hysteresis Receiver Input Failsafe Threshold

SYNC IN/OUT and other General Purpose I/O pinsInput low level voltage

Input high level voltage

Weak pull-up equivalent resistor

Output low voltageOutput high voltage

Output drive current

Output high to low fall time

Output low to high rise time

Output FrequencyIsolated

Input Capacitance 2 pF
Input differential threshold-200-125-50mV
Input hysteresis25mV
Input resistance	96	-	-	kΩ
RS-422 Outputs pins Differential Driver Output Voltage Difference in Magnitude of Driver Differential Output Voltage for Complementary Output States Driver Common Mode Output Voltage Difference in Magnitude of Driver Common Mode Output Voltage for Complementary Output States Maximum Driver Short-Circuit Current
Differential output voltage	2	-	-	V
Common mode output voltage	-	-	3	V
CAN bus
Recessive Bus Voltage	2	2.5	3	V
CAN H Output Voltagedominant	2.75	3.5	4.5	V
CAN L Output Voltagedominant	0.5	1.25	2.2	V
Absolute input voltageCANH, CANL	-58		58	V
Differential input voltageCANH, CANL	0.5	0.7	0.9	V

Table : Timing Specifications ( recommended operation )

Isolation

- Parameter Condition Min Nominal Max Unit
- Isolation Voltage
- Working Isolation Voltage
  - Power ground relative to Signal ground
  - Signal ground relative to

ESD Protection

Input Logic-High Voltage
Input Logic-Low Voltage
Output Logic-High Voltage
Output Logic-Low Voltage

Input Capacitance 2 pF

Table : I/O Absolute maximum ratings

GNSS RF Connectors

Figure : Connector Identification

Table : GNSS Connector Specifications

Onboard connector
- Manufacturer
- Manufacturer P/N
- Description
Mating connectors
- Manufacturer
- Manufacturer P/N
- Description

GNSS Antenna Electrical Specifications ( Min. – Nom. – Max. – Unit )

- - Signal ground

GNSS Antenna Interface Specifications

Figure ( Gliffy Diagram : Product_GNSS_Connectors_Identification ) : picture of the label showing
- Product
- GNSS RF Connectors
- Naming of GNSS RF Connectors

GNSS Antenna Port Electrical Specifications

Current-limit switch On-Resistance

Parameters	Conditions	Min.	Typ.	Max.	Units	Remarks
Output Voltage (No load)

Output Current 100 mA

4.8	5	5.2	V
Output Current	When 2x GNSS antennas are connected	-	-	125	mA
Current-limit switch Full-load limit

Maximum

	-	-	130	mA
No-load Current limit		1	-	5	mA
Short-circuit current limit response time		-	-	10	µs
Maximum RF Power Input		-	-	10	dBm
ESD Circuit protection	-	-15	-	15	kV

GNSS Antenna Requirements

Parameters	Requirements
Type	Active, featuring embedded LNA ( Low Noise Amplificator )
Minimum Gain	17 dB
Maximum Gain	50 dB
Maximum Noise Figure	4 dB
Group delay variation in-band	10 ns max at each GNSS system bandwidth. Note : Inter-signal requirement 50 ns max.
Out-of-band rejection	40 dB typ
Axial ratio	2 dB
Phase center variation	<10 mm over elevation/azimuth
EMI immunity out-of-band	< 30 V/m

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