DM74LS490N
vs
74LS490N
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Active
Ihs Manufacturer
NATIONAL SEMICONDUCTOR CORP
ROCHESTER ELECTRONICS LLC
Package Description
DIP, DIP16,.3
,
Reach Compliance Code
unknown
unknown
HTS Code
8542.39.00.01
8542.39.00.01
Count Direction
UP
UP
Family
LS
LS
JESD-30 Code
R-PDIP-T16
R-PDIP-T16
JESD-609 Code
e0
Length
19.305 mm
19.8 mm
Load Capacitance (CL)
15 pF
15 pF
Load/Preset Input
YES
YES
Logic IC Type
DECADE COUNTER
DECADE COUNTER
Max Frequency@Nom-Sup
40000000 Hz
25000000 Hz
Max I(ol)
0.008 A
0.008 A
Mode of Operation
ASYNCHRONOUS
ASYNCHRONOUS
Number of Bits
4
4
Number of Functions
2
2
Number of Terminals
16
16
Operating Temperature-Max
70 °C
70 °C
Operating Temperature-Min
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
DIP
DIP
Package Equivalence Code
DIP16,.3
DIP16,.3
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
IN-LINE
Power Supply Current-Max (ICC)
26 mA
26 mA
Propagation Delay (tpd)
45 ns
54 ns
Qualification Status
Not Qualified
Seated Height-Max
5.08 mm
5.08 mm
Supply Voltage-Max (Vsup)
5.25 V
5.25 V
Supply Voltage-Min (Vsup)
4.75 V
4.75 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
NO
NO
Technology
TTL
TTL
Temperature Grade
COMMERCIAL
Terminal Finish
TIN LEAD
Terminal Form
THROUGH-HOLE
THROUGH-HOLE
Terminal Pitch
2.54 mm
2.54 mm
Terminal Position
DUAL
DUAL
Trigger Type
NEGATIVE EDGE
NEGATIVE EDGE
Width
7.62 mm
7.62 mm
fmax-Min
40 MHz
25 MHz
Base Number Matches
1
2
Prop. Delay@Nom-Sup
54 ns
Compare DM74LS490N with alternatives
Compare 74LS490N with alternatives