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L293 Datasheet(PDF) 2 Page - Texas Instruments

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Part No. L293
Description  QUADRUPLE HALF-H DRIVER
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

L293 Datasheet(HTML) 2 Page - Texas Instruments

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L293, L293D
QUADRUPLE HALFH DRIVERS
SLRS008C − SEPTEMBER 1986 − REVISED NOVEMBER 2004
2
POST OFFICE BOX 655303
DALLAS, TEXAS 75265
description/ordering information (continued)
On the L293, external high-speed output clamp diodes should be used for inductive transient suppression.
A VCC1 terminal, separate from VCC2, is provided for the logic inputs to minimize device power dissipation.
The L293and L293D are characterized for operation from 0
°C to 70°C.
block diagram
1
0
3
4
5
6
7
8
9
10
11
12
13
14
15
16
1
2
1
0
1
1
0
2
4
3
M
M
M
1
0
1
0
1
0
VCC2
VCC1
NOTE:
Output diodes are internal in L293D.
FUNCTION TABLE
(each driver)
INPUTS†
OUTPUT
A
EN
OUTPUT
Y
H
H
H
L
HL
X
L
Z
H = high level, L = low level, X = irrelevant,
Z = high impedance (off)
† In the thermal shutdown mode, the output is
in the high-impedance state, regardless of
the input levels.


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