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SN74LS240 Datasheet(PDF) 3 Page - ON Semiconductor

Part # SN74LS240
Description  LOW POWER SCHOTTKY
PDF  8 Pages
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Manufacturer  ONSEMI [ON Semiconductor]
Direct Link  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

SN74LS240 Datasheet(HTML) 3 Page - ON Semiconductor

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SN74LS240 SN74LS244
http://onsemi.com
3
DC CHARACTERISTICS OVER OPERATING TEMPERATURE RANGE (unless otherwise specified)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
VIH
Input HIGH Voltage
2.0
V
Guaranteed Input HIGH Voltage for
All Inputs
VIL
Input LOW Voltage
0.8
V
Guaranteed Input LOW Voltage for
All Inputs
VT+–VT–
Hysteresis
0.2
0.4
V
VCC = MIN
VIK
Input Clamp Diode Voltage
– 0.65
– 1.5
V
VCC = MIN, IIN = – 18 mA
VO
Output HIGH Voltage
2.4
3.4
V
VCC = MIN, IOH = – 3.0 mA
VOH
Output HIGH Voltage
2.0
V
VCC = MIN, IOH = MAX
VO
Output LOW Voltage
0.25
0.4
V
IOL = 12 mA
VCC = VCC MIN,
VIN =VIL or VIH
VOL
Output LOW Voltage
0.35
0.5
V
IOL = 24 mA
VIN = VIL or VIH
per Truth Table
IOZH
Output Off Current HIGH
20
µA
VCC = MAX, VOUT = 2.7 V
IOZL
Output Off Current LOW
–20
µA
VCC = MAX, VOUT = 0.4 V
I
Input HIGH Current
20
µA
VCC = MAX, VIN = 2.7 V
IIH
Input HIGH Current
0.1
mA
VCC = MAX, VIN = 7.0 V
IIL
Input LOW Current
– 0.2
mA
VCC = MAX, VIN = 0.4 V
IOS
Output Short Circuit Current (Note 1)
–40
– 225
mA
VCC = MAX
Power Supply Current
Total, Output HIGH
27
I
Total, Output LOW
LS240
44
A
V
MAX
ICC
LS244
46
mA
VCC = MAX
Total at HIGH Z
LS240
50
LS244
54
Note 1: Not more than one output should be shorted at a time, nor for more than 1 second.
AC CHARACTERISTICS (TA = 25°C, VCC = 5.0 V)
Limits
Symbol
Parameter
Min
Typ
Max
Unit
Test Conditions
tPLH
tPHL
Propagation Delay, Data to Output
LS240
9.0
12
14
18
ns
tPLH
tPHL
Propagation Delay, Data to Output
LS244
12
12
18
18
ns
CL = 45 pF,
RL = 667 Ω
tPZH
Output Enable Time to HIGH Level
15
23
ns
tPZL
Output Enable Time to LOW Level
20
30
ns
tPLZ
Output Disable Time from LOW Level
15
25
ns
CL = 5.0 pF,
tPHZ
Output Disable Time from HIGH Level
10
18
ns
L
RL = 667 Ω



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