54LS21DMQB
vs
74LS21D
feature comparison
All Stats
Differences Only
Part Life Cycle Code
Obsolete
Obsolete
Ihs Manufacturer
NATIONAL SEMICONDUCTOR CORP
TEXAS INSTRUMENTS INC
Package Description
CERAMIC, DIP-14
SOP,
Reach Compliance Code
unknown
unknown
Family
LS
LS
JESD-30 Code
R-GDIP-T14
R-PDSO-G14
Length
19.43 mm
8.65 mm
Load Capacitance (CL)
15 pF
15 pF
Logic IC Type
AND GATE
AND GATE
Max I(ol)
0.004 A
Number of Functions
2
2
Number of Inputs
4
4
Number of Terminals
14
14
Operating Temperature-Max
125 °C
70 °C
Operating Temperature-Min
-55 °C
Package Body Material
CERAMIC, GLASS-SEALED
PLASTIC/EPOXY
Package Code
DIP
SOP
Package Equivalence Code
DIP14,.3
Package Shape
RECTANGULAR
RECTANGULAR
Package Style
IN-LINE
SMALL OUTLINE
Power Supply Current-Max (ICC)
4.4 mA
4.4 mA
Prop. Delay@Nom-Sup
18 ns
Propagation Delay (tpd)
11 ns
20 ns
Qualification Status
Not Qualified
Not Qualified
Schmitt Trigger
NO
Screening Level
38535Q/M;38534H;883B
Seated Height-Max
5.08 mm
1.75 mm
Supply Voltage-Max (Vsup)
5.5 V
5.25 V
Supply Voltage-Min (Vsup)
4.5 V
4.75 V
Supply Voltage-Nom (Vsup)
5 V
5 V
Surface Mount
NO
YES
Technology
TTL
TTL
Temperature Grade
MILITARY
COMMERCIAL
Terminal Form
THROUGH-HOLE
GULL WING
Terminal Pitch
2.54 mm
1.27 mm
Terminal Position
DUAL
DUAL
Width
7.62 mm
3.9 mm
Base Number Matches
1
9
HTS Code
8542.39.00.01
Compare 54LS21DMQB with alternatives
Compare 74LS21D with alternatives