
L293D
QUADRUPLE HALF-H DRIVER
SLRS008A – SEPTEMBER 1986 – REVISED MAY 1990
3–3
POST OFFICE BOX 655303 
 DALLAS, TEXAS 75265
electrical characteristics, V
CC1
 = 5 V, V
CC2
 = 24 V, T
A
 = 25
°
C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VOH
VOL
VOKH
VOKL
High-level output voltage
IOH = –0.6 A
IOL = 0.6 A
IOK = –0.6 A
IOK = –0.6 A
VCC2–1.8
VCC2–1.4
1.2
V
Low-level output voltage
1.8
V
High-level output clamp voltage
VCC2+1.3
1.3
V
Low-level output clamp voltage
V
IIH
High level input current
High-level input current
A
VI= 7 V
VI = 7 V
0.2
100
±
10
–10
μ
A
EN
0.2
IIL
Low level input current
Low-level input current
A
VI= 0
VI = 0
–3
μ
A
EN
–2
–100
All outputs at high level
13
22
ICC1
Logic supply current
IO = 0
All outputs at low level
35
60
mA
All outputs at high impedance
8
24
All outputs at high level
14
24
ICC2
Output supply current
IO = 0
All outputs at low level
All outputs at high impedance
2
2
6
4
mA
switching characteristics, V
CC1
 = 5 V, V
CC2
 = 24 V, T
A
 = 25
°
C
PARAMETER
TEST CONDITIONS
MIN
TYP
800
MAX
UNIT
ns
tPLH
tPHL
tTLH
tTHL
Propagation delay time, low-to-high-level output from A input
Propagation delay time, high-to-low-level output from A input
CL= 30 pF
CL = 30  pF,    See Figure 1
400
ns
Transition time, low-to-high-level output
Transition time, high-to-low-level output
300
300
ns
ns
PARAMETER MEASUREMENT INFORMATION
Output
CL = 30 pF
(see Note B)
GND
VCC1VCC2
EN
A
5 V
24 V
Input
3 V
Y
TEST CIRCUIT
Pulse
Generator
(see Note A)
90%
10%
1.5 V
tf
tr
3 V
0
tPHL
VOH
tTHL
tTLH
VOLTAGE WAVEFORMS
50%
tPLH
Output
Input
VOL
1.5 V
10%
50%
90%
10%
10%
90%
90%
tw
NOTES: A. The pulse generator has the following characteristics: tr 
≤
 10 ns, tf 
≤
 10 ns, tw = 10 
μ
s, PRR = 5 kHz, ZO = 50 
.
B. CL includes probe and jig capacitance.
Figure 1. Test Circuit and Voltage Waveforms