SN74LS21DR
vs
N7421A
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Active
Obsolete
Ihs Manufacturer
ROCHESTER ELECTRONICS LLC
SIGNETICS CORP
Package Description
PLASTIC, SO-14
DIP, DIP14,.3
Reach Compliance Code
unknown
unknown
HTS Code
8542.39.00.01
8542.39.00.01
Family
LS
TTL/H/L
JESD-30 Code
R-PDSO-G14
R-PDIP-T14
JESD-609 Code
e4
e0
Length
8.65 mm
Logic IC Type
AND GATE
AND GATE
Number of Functions
2
2
Number of Inputs
4
4
Number of Terminals
14
14
Operating Temperature-Max
70 °C
70 °C
Operating Temperature-Min
Package Body Material
PLASTIC/EPOXY
PLASTIC/EPOXY
Package Code
SOP
DIP
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
SMALL OUTLINE
IN-LINE
Propagation Delay (tpd)
20 ns
19 ns
Seated Height-Max
1.75 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
YES
NO
Technology
TTL
TTL
Temperature Grade
COMMERCIAL
COMMERCIAL
Terminal Finish
NICKEL PALLADIUM GOLD
TIN LEAD
Terminal Form
GULL WING
THROUGH-HOLE
Terminal Pitch
1.27 mm
2.54 mm
Terminal Position
DUAL
DUAL
Width
3.9 mm
Base Number Matches
3
1
Rohs Code
Load Capacitance (CL)
15 pF
Max I(ol)
0.016 A
Package Equivalence Code
DIP14,.3
Power Supply Current-Max (ICC)
13 mA
Prop. Delay@Nom-Sup
27 ns
Qualification Status
Not Qualified
Schmitt Trigger
NO
Compare SN74LS21DR with alternatives
Compare N7421A with alternatives