DM74LS490N
vs
SN74LS490JS
feature comparison
All Stats
Differences Only
Rohs Code
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
NATIONAL SEMICONDUCTOR CORP
MOTOROLA INC
Package Description
DIP, DIP16,.3
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-GDIP-T16
JESD-609 Code
e0
e0
Length
19.305 mm
19.495 mm
Load Capacitance (CL)
15 pF
Load/Preset Input
YES
YES
Logic IC Type
DECADE COUNTER
DECADE COUNTER
Max Frequency@Nom-Sup
40000000 Hz
Max I(ol)
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
CERAMIC, GLASS-SEALED
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
Propagation Delay (tpd)
45 ns
54 ns
Qualification Status
Not Qualified
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
COMMERCIAL
Terminal Finish
TIN LEAD
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
65 MHz
Base Number Matches
1
1
Part Package Code
DIP
Pin Count
16
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Compare SN74LS490JS with alternatives