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DM74LS243WM View Datasheet(PDF) - Fairchild Semiconductor

Part Name
Description
Manufacturer
DM74LS243WM
Fairchild
Fairchild Semiconductor Fairchild
DM74LS243WM Datasheet PDF : 5 Pages
1 2 3 4 5
Absolute Maximum Ratings(Note 2)
Supply Voltage
7V
Input Voltage
Any G
7V
A or B
5.5V
Operating Free Air Temperature Range 0°C to +70°C
Storage Temperature Range
65°C to +150°C
Note 2: The “Absolute Maximum Ratings” are those values beyond which
the safety of the device cannot be guaranteed. The device should not be
operated at these limits. The parametric values defined in the Electrical
Characteristics tables are not guaranteed at the absolute maximum ratings.
The “Recommended Operating Conditions” table will define the conditions
for actual device operation.
Recommended Operating Conditions
Symbol
VCC
VIH
VIL
IOH
IOL
TA
Parameter
Supply Voltage
HIGH Level Input Voltage
LOW Level Input Voltage
HIGH Level Output Current
LOW Level Output Current
Free Air Operating Temperature
Min
Nom
4.75
5
2
0
Electrical Characteristics
over recommended operating free air temperature range (unless otherwise noted)
Symbol
Parameter
Conditions
Min
VI
Input Clamp Voltage
VCC = Min, II = −18 mA
HYS
Hysteresis (VT+ VT)
VCC = Min
0.2
(Data Inputs Only)
VOH
HIGH Level Output Voltage
VCC = Min, VIH = Min
2.7
VIL = Max, IOH = −1 mA
VCC = Min, VIH = Min
2.4
VIL = Max, IOH = −3 mA
VCC = Min, VIH = Min
2
VIL = 0.5V, IOH = Max
VOL
LOW Level Output Voltage
VCC = Min
IOL = 12 mA
VIL = Max
IOL = Max
VIH = Min
IOZH
Off-State Output Current,
VCC = Max
VO = 2.7V
HIGH Level Voltage Applied
VIL = Max
IOZL
Off-State Output Current,
VIH = Min
VO = 0.4V
LOW Level Voltage Applied
II
Input Current at Maximum
Input Voltage
IIH
HIGH Level Input Current
IIL
LOW Level Input Current
IOS
Short Circuit Output Current
ICC
Supply Current
VCC = Max
VI = 5.5V
A or B
VI = 7V
Any G
VCC = Max, VI = 2.7V
VCC = Max, VI = 0.4V
VCC = Max (Note 4)
40
VCC = Max
Outputs HIGH
Outputs
Outputs LOW
OPEN
Outputs Disabled
Note 3: All typicals are at VCC = 5V, TA = 25°C.
Note 4: Not more than one output should be shorted at a time, and the duration should not exceed one second.
Max
5.25
0.8
15
24
70
Units
V
V
V
mA
mA
°C
Typ
Max
(Note 3)
1.5
0.4
Units
V
V
3.4
V
0.4
V
0.5
40
µA
200
µA
0.1
mA
0.1
mA
20
µA
0.2
mA
225
mA
22
38
29
50
mA
32
54
www.fairchildsemi.com
2
 

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