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TD322DCAN

Public Made by Adom

by adom

VISOM CAN Bus Modules, DIP-12. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TD322DCAN

VISOM · CAN Bus Modules · DIP-12

TD322DCAN from VISOM, in a DIP-12. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 VCC power_in Positive power supply input; 3.15~3.45 VDC for TD322DCAN (3.3 V nominal), with no reverse-polarity protection.
2 GND power_in Power supply input ground.
3 RXD1 output Receive pin of channel 1 (3.3 V UART level for TD322DCAN, VOH min VCC-0.4 V and VOL max 0.4 V at 4 mA).
4 TXD1 input Transmit pin of channel 1 (3.3 V UART level for TD322DCAN, VIH min 0.7VCC and VIL max 0.3VCC).
5 RXD2 output Receive pin of channel 2 (3.3 V UART level for TD322DCAN, VOH min VCC-0.4 V and VOL max 0.4 V at 4 mA).
6 TXD2 input Transmit pin of channel 2 (3.3 V UART level for TD322DCAN, VIH min 0.7VCC and VIL max 0.3VCC).
7 CANH2 bidirectional CANH bus pin of channel 2, with bus pin maximum voltage -27 to +40 V.
8 CANL2 bidirectional CANL bus pin of channel 2, with bus pin maximum voltage -27 to +40 V.
9 CANG2 power_out Isolated power output ground of channel 2; leave floating when unused.
10 CANH1 bidirectional CANH bus pin of channel 1, with bus pin maximum voltage -27 to +40 V.
11 CANL1 bidirectional CANL bus pin of channel 1, with bus pin maximum voltage -27 to +40 V.
12 CANG1 power_out Isolated power output ground of channel 1; leave floating when unused.

Key specifications

Parameter Value
Manufacturer VISOM
Package DIP-12
Category IoT/Communication Modules
Pins 12

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Input voltage range (absolute maximum) -0.7 3.3 5 V dc TD322DCAN 2
Input voltage VCC 3.15 3.3 3.45 VDC TD322DCAN 2
Hand soldering temperature 370 ℃ 手工焊接@3~5 秒 2
Wave soldering temperature 265 ℃ 波峰焊焊接@5~10 秒 2
Quiescent current 63 mA TD322DCAN, typ 2
Maximum operating current 250 mA TD322DCAN 2
RXD low level output voltage VOL 0.2 0.4 V IRXD=4mA 2
TXD drive current ITXD 2 mA 2
CANH dominant output voltage V(OD)CANH 2.75 3.5 4.5 VDC 显性电平（逻辑 0） 2
CANL dominant output voltage V(OD)CANL 0.5 1.5 2.25 VDC 显性电平（逻辑 0） 2
CANH recessive output voltage V(OR)CANH 2 2.5 3 VDC 逻辑电平（逻辑 1） 2
CANL recessive output voltage V(OR)CANL 2 2.5 3 VDC 逻辑电平（逻辑 1） 2
Differential voltage dominant Vdiff(d) 1.5 2 3 VDC 显性(逻辑 0) 2
Differential voltage recessive Vdiff(r) -0.05 0 0.05 VDC 隐性(逻辑 1) 2
Bus pin maximum withstand voltage Vx -27 40 V 2
Bus transient voltage Vtrt -100 100 V 2
Bus pin leakage current -10 10 μA VCC=0V, VCANH/L=5V 2
TXD transmit delay tT 80 ns 3
RXD receive delay tR 130 ns 3
Loop delay tPD(TXD-RXD) 210 250 ns 3
TXD dominant timeout Tto(dom)TXD 2.5 16 ms 3
Operating temperature range -40 85 ℃ 输出为满载 3
Storage temperature -55 125 ℃ 3
Storage humidity 95 % 无凝结 3
Case temperature rise in operation 20 ℃ 3

CAD (KiCad official)

  • Symbol: TD322DCAN
  • Footprint: Package_DIP:DIP-12_W7.62mm
  • 3D model: DIP-12 (KiCad packages3D, STEP)
  • 3D model files: td322dcan-etched.step / td322dcan-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); td322dcan.step / td322dcan.glb are the bare package body.

Provenance

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

  • Datasheet: VISOM datasheet (5 pp, sha256 f91c3543dfc21849, retrieved 2026-10-26, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF