1 Features

1• QMLV (QML Class V) Radiation Hardness

Assured (RHA) MIL-PRF 38535 Qualified, SMD

5962L1420901VXC

– Single Event Latch-up (SEL) Immune to 86

MeV-cm2/mg at 125°C

– Total Ionizing Dose (TID) immune up 50 kRad

(Si) at Low Dose Rate

– Qualified over the Military Temperature Range

(–55°C to 125°C)

– High-Performance 8-Pin Ceramic Flat Pack

(HKX)

• Compatible With ISO 11898-2

• Bus Pins Fault Protection Exceeds ±16 V

• Bus Pins ESD Protection Exceeds ±16 kV HBM

• Data Rates up to 1 Mbps

• Extended –7-V to 12-V Common Mode Range

• High Input Impedance Allows for 120 Nodes

• LVTTL I/Os are 5-V Tolerant

• Adjustable Driver Transition Times for Improved

Signal Quality

• Unpowered Node Does Not Disturb the Bus

• Low Current Standby Mode, 200-μA Typical

• Loopback for Diagnostic Functions

• Thermal Shutdown Protection

• Power Up and Power Down With Glitch-Free Bus

Inputs and Outputs

– High Input Impedance With Low VCC

– Monolithic Output During Power Cycling

2 Applications

• Spacecraft Backplane Data Bus Communication

and Control

• CAN Bus Standards Such As CANopen,

DeviceNet, CAN Kingdom, ISO 11783, NMEA

2000, SAE J1939

3 Description

The SN55HVD233-SP is used in spacecraft

applications employing the controller area network

(CAN) serial communication physical layer in

accordance with the ISO 11898 standard. As a CAN

transceiver, the device provides transmit and receive

capability between the differential CAN bus and a

CAN controller, with signaling rates up to 1 Mbps.

Designed for operation in especially harsh radiation

environments, the SN55HVD233-SP features crosswire,

overvoltage, and loss of ground protection to

±16 V, overtemperature (thermal shutdown)

protection. This device operates over a wide –7-V to

12-V common mode range. This transceiver is the

interface between the host CAN controller on the

microprocessor, FPGA, or ASIC, and the differential

CAN bus used in satellite applications.