ST2149B

Logic diagram

Doc ID 023310 Rev 1

7/23

3

Logic diagram

Figure 2.

Logic block diagram

Device block diagrams

Figure 3.

ST2149BQTR block diagram

1.

When OE is LOW, all I/Os are in high-impedance mode.

2.

ST2149BQTR has 4 channels. For simplicity, the above diagram shows only 1 channel.

ST2149