3.3 V CAN bus transceiver in a SOIC-8 package, compatible with ISO 11898-2. It converts an MCU's logic-level TXD/RXD to the differential CANH/CANL bus at data rates up to 1 Mbps, and the RS pin selects high-speed, slope-controlled, or a low-current (~370 µA) standby mode. The bridge between a microcontroller's CAN peripheral and the physical bus; terminate the bus with 120 ohm at each end.

Pinout

Pin	Name	Type	Function
1	D	input	CAN transmit data input (TXD / driver input). LOW drives a dominant bus state; HIGH drives a recessive bus state. Digital input rated -0.5 V to VCC+0.5 V.
2	GND	power_in	Ground connection (device reference).
3	VCC	power_in	Transceiver 3.3-V supply voltage. Recommended operating range 3.0 V to 3.6 V.
4	R	output	CAN receive data output (RXD / receiver output). LOW for dominant bus state and HIGH for recessive bus state. Drive capability up to ±8 mA.
5	Vref	output	VCC/2 reference output pin (nominally 1.65 V with 3.3-V VCC). Available on SN65HVD230 and SN65HVD231; can be used to bias external circuitry to the common-mode voltage.
6	CANL	bidirectional	Low-level CAN bus line. Differential bus I/O with -2 V to 7 V common-mode range and ±25 V transient survivability. Pair with CANH via a 120 Ω termination.
7	CANH	bidirectional	High-level CAN bus line. Differential bus I/O with -2 V to 7 V common-mode range and ±25 V transient survivability. Pair with CANL via a 120 Ω termination.
8	RS	input	Mode-select pin. Strong pull-down to GND selects high-speed mode; strong pull-up to VCC (V(Rs) ≥ 0.75·VCC) selects low-power standby mode; a 10 kΩ–100 kΩ resistor to GND selects slope-control mode (slew rate ≈ 15 V/µs at 10 kΩ, ≈ 2 V/µs at 100 kΩ).

Key specifications

Parameter	Value
Type	CAN bus transceiver (3.3 V)
Standard	ISO 11898-2
Data rate	up to 1 Mbps
Supply voltage (VCC)	3.3 V
Standby current	~370 µA typ
Bus interface	CANH / CANL differential
Mode select	RS pin (high-speed / slope / standby)
Package	SOIC-8
Body (L×W×H)	4.9 × 3.9 × 1.75 mm

Ordering variants

Same part, different packaging or reel option.

SN65HVD230D (SOIC-8, tube)
SN65HVD230DR (SOIC-8, tape & reel)

CAD (KiCad official)

Symbol: Interface_CAN_LIN:SN65HVD230
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOIC-8 (KiCad packages3D)

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

Datasheet: Texas Instruments datasheet (43 pp, sha256 e98fc0c59168c035, retrieved 2026-08-17, tier: manufacturer)
Extractor: ds2sf (Claude) — every pin and dimension is cited to a datasheet page; refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF