Pin Configurations Of Isolated I; Transceivers With Gpio; Figure 3-1. Iso1642, Iso1643, And Iso1644; Figure 3-2. Iso1644Dwevm Top View - Texas Instruments ISO1644DWEVM User Manual

www.ti.com

3 Pin Configurations of Isolated I

The pin configurations of ISO1642, ISO1643, and ISO1644 in DW packages are shown in
ISO1642DW
VCC1 1
NC
2
SDA1 3
INA
4
OUTB 5
SCL1
6
NC 7
8
GND1
The EVM PCB is shown in
this EVM can also be configured for evaluation of ISO1642DW and ISO1643DW by replacing the included
ISO1644DW device in place of U1.
SLLU329 – JUNE 2021
Submit Document Feedback
2
C Transceivers With GPIO
16 VCC2 VCC1 1
NC
15 NC 2
14 SDA2 SDA1 3
INA
13 OUTA 4
12 INB INB 5
SCL1
11 6
SCL2
10 NC NC 7
9 8
GND2 GND1
Figure 3-1. ISO1642, ISO1643, and ISO1644 Pinouts
Figure 3-2 and comes with an ISO1644DW installed in place of U1. However,

Figure 3-2. ISO1644DWEVM Top View

Copyright © 2021 Texas Instruments Incorporated
Pin Configurations of Isolated I
ISO1643DW
16 VCC2
15 NC
14 SDA2
13 OUTA
12 OUTB
11
SCL2
10 NC
9
GND2
ISO1644DWEVM Reinforced Isolated I
2
C Transceivers With GPIO
Figure 3-1.
ISO1644DW
VCC1 1 16
GND1
2 15
SDA1 3 14
INA
4 13
INB 5 12
SCL1
6 11
OUT
7 10
C
8 9
GND1
2
C With GPIOs Evaluation Module
VCC2
GND2
SDA2
OUTA
OUTB
SCL2
INC
GND2
3