SN65HVD3088EDR from Texas Instruments, in a SOIC-8. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin	Name	Type	Function
1	R	output	Receive data output. CMOS logic-level output driven from the RS-485 differential bus.
2	RE	input	Receiver enable, active low. When low, the receiver is enabled and drives the R pin; when high the receiver output is high-impedance.
3	DE	input	Driver enable, active high. When high, the differential driver drives A/B from D; when low the driver outputs are high-impedance.
4	D	input	Driver data input. CMOS logic-level input that sets the state of the differential bus when the driver is enabled.
5	GND	power_in	Local device ground reference (0 V).
6	A	bidirectional	Non-inverting RS-485 differential bus I/O. Driver output or receiver input, complementary to B.
7	B	bidirectional	Inverting RS-485 differential bus I/O. Driver output or receiver input, complementary to A.
8	VCC	power_in	Supply voltage input, 4.5 V to 5.5 V. Bypass to GND with a local decoupling capacitor.

Key specifications

Parameter	Value
Manufacturer	Texas Instruments
Package	SOIC-8
Category	Interface
Pins	8

Ordering variants

Same part, different packaging or reel option.

SN65HVD3088EDRD
SN65HVD3088EDR
SN65HVD3088EDRDGK
SN65HVD3088EDRDGKR
SN65HVD3088EDRP
SN65HVD3088EDRNS
SN65HVD3088EDRNSR

CAD (KiCad official)

Symbol: SN65HVD3088EDR
Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
3D model: SOIC-8 (KiCad packages3D, STEP)

Provenance

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

Datasheet: Texas Instruments datasheet (40 pp, sha256 5da24ada598efdc4, retrieved 2026-08-17, tier: manufacturer)
Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF