PCA9621

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© NXP B.V. 2011. All rights reserved.

Product data sheet

Rev. 1 — 9 March 2011

2 of 18

NXP Semiconductors

PCA9621

65 mA 8-bit 2-wire bus output port

4.

Ordering information

5.

Block diagram

Table 1.

Ordering information

Type number

Topside

mark

Package

Name

Description

Version

PCA9621D

PCA9621

SO16

plastic small outline package; 16 leads; body width 3.9 mm

SOT109-1

PCA9621PW

PCA9621

TSSOP16

plastic thin shrink small outline package; 16 leads;

body width 4.4 mm

SOT403-1

Fig 1.

Block diagram of PCA9621

R4

002aaf379

TRANSCEIVER

4P0

R3

R5

R6

16

R2

R1

2.7 V to 5.5 V

PCA9621

8

FILTER

14

15

SCL

SDA

LED

5P1

LED

6P2

7P3

9P4

10

P5

11

P6

12

P7

RESET

3

A0

1

A1

2

A2

13

high

current

LED

R7

R8

R9

R10

output

output