VCC2

Output

GND

VCC2

Output

GND

Input

VCC1

Current

Source

GND

L293, L293D

SLRS008D – SEPTEMBER 1986 – REVISED JANUARY 2016

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8.4 Device Functional Modes

Table 1 lists the fuctional modes of the L293x.

Table 1. Function Table (Each Driver)(1)

INPUTS (2)

OUTPUT (Y)

A

EN

H

H

H

L

H

L

X

L

Z

(1)

H = high level, L = low level, X = irrelevant, Z = high impedance (off)

(2)

In the thermal shutdown mode, the output is in the high-impedance

state, regardless of the input levels.

Figure 3. Schematic of Inputs for the L293x

Figure 4. Schematic of Outputs for the L293

Figure 5. Schematic of Outputs for the L293D

8

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