Datasheets
DM74LS21N by:

IC LS SERIES, DUAL 4-INPUT AND GATE, PDIP14, PLASTIC, DIP-14, Gate

Part Details for DM74LS21N by National Semiconductor Corporation

Overview of DM74LS21N by National Semiconductor Corporation

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Price & Stock for DM74LS21N

Part # Distributor Description Stock Price Buy
Bristol Electronics   75
RFQ
Bristol Electronics   25
RFQ
Quest Components IC,LOGIC GATE,DUAL 4-INPUT AND,LS-TTL,DIP,14PIN,PLASTIC 94
  • 1 $0.6300
  • 9 $0.3150
  • 33 $0.1890
$0.1890 / $0.6300 Buy Now
Quest Components IC,LOGIC GATE,DUAL 4-INPUT AND,LS-TTL,DIP,14PIN,PLASTIC 80
  • 1 $0.7500
  • 8 $0.6000
  • 34 $0.4500
$0.4500 / $0.7500 Buy Now
Quest Components IC,LOGIC GATE,DUAL 4-INPUT AND,LS-TTL,DIP,14PIN,PLASTIC 67
  • 1 $0.4500
  • 12 $0.3750
  • 54 $0.3000
$0.3000 / $0.4500 Buy Now
Quest Components IC,LOGIC GATE,DUAL 4-INPUT AND,LS-TTL,DIP,14PIN,PLASTIC 20
  • 1 $2.0000
  • 4 $1.6000
  • 14 $1.2000
$1.2000 / $2.0000 Buy Now
Quest Components IC,LOGIC GATE,DUAL 4-INPUT AND,LS-TTL,DIP,14PIN,PLASTIC 4
  • 1 $5.1387
  • 3 $4.2823
$4.2823 / $5.1387 Buy Now
Component Electronics, Inc IN STOCK SHIP TODAY 58
  • 1 $0.7700
  • 100 $0.5800
  • 1,000 $0.5000
$0.5000 / $0.7700 Buy Now

Part Details for DM74LS21N

DM74LS21N CAD Models

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DM74LS21N Part Data Attributes

DM74LS21N National Semiconductor Corporation
Buy Now Datasheet
Compare Parts:
DM74LS21N National Semiconductor Corporation IC LS SERIES, DUAL 4-INPUT AND GATE, PDIP14, PLASTIC, DIP-14, Gate
Rohs Code No
Part Life Cycle Code Obsolete
Ihs Manufacturer NATIONAL SEMICONDUCTOR CORP
Package Description DIP, DIP14,.3
Reach Compliance Code unknown
HTS Code 8542.39.00.01
Family LS
JESD-30 Code R-PDIP-T14
JESD-609 Code e0
Length 19.18 mm
Load Capacitance (CL) 15 pF
Logic IC Type AND GATE
Max I(ol) 0.008 A
Number of Functions 2
Number of Inputs 4
Number of Terminals 14
Operating Temperature-Max 70 °C
Operating Temperature-Min
Package Body Material PLASTIC/EPOXY
Package Code DIP
Package Equivalence Code DIP14,.3
Package Shape RECTANGULAR
Package Style IN-LINE
Power Supply Current-Max (ICC) 4.4 mA
Prop. Delay@Nom-Sup 18 ns
Propagation Delay (tpd) 11 ns
Qualification Status Not Qualified
Schmitt Trigger NO
Seated Height-Max 5.08 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount NO
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish TIN LEAD
Terminal Form THROUGH-HOLE
Terminal Pitch 2.54 mm
Terminal Position DUAL
Width 7.62 mm

Alternate Parts for DM74LS21N

This table gives cross-reference parts and alternative options found for DM74LS21N. The Form Fit Function (FFF) tab will give you the options that are more likely to serve as direct pin-to-pin alternates or drop-in parts. The Functional Equivalents tab will give you options that are likely to match the same function of DM74LS21N, but it may not fit your design. Always verify details of parts you are evaluating, as these parts are offered as suggestions for what you are looking for and are not guaranteed.

Part Number Manufacturer Composite Price Description Compare
N74LS21A Signetics Check for Price AND Gate, LS Series, 2-Func, 4-Input, TTL, PDIP14 DM74LS21N vs N74LS21A
5962-01-128-0586 Fairchild Semiconductor Corporation Check for Price AND Gate, TTL, PDIP14, DM74LS21N vs 5962-01-128-0586
74LS21PC Fairchild Semiconductor Corporation Check for Price AND Gate, TTL, PDIP14, DM74LS21N vs 74LS21PC
Part Number Manufacturer Composite Price Description Compare
DM74LS21N Texas Instruments Check for Price LS SERIES, DUAL 4-INPUT AND GATE, PDIP14, PLASTIC, DIP-14 DM74LS21N vs DM74LS21N
SN74LS21N Texas Instruments $0.3532 2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate 14-PDIP 0 to 70 DM74LS21N vs SN74LS21N
T74LS21B1 STMicroelectronics Check for Price LS SERIES, DUAL 4-INPUT AND GATE, PDIP14, PLASTIC, DIP-14 DM74LS21N vs T74LS21B1
SN74LS21NE4 Texas Instruments Check for Price 2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate 14-PDIP 0 to 70 DM74LS21N vs SN74LS21NE4

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