Datasheets
SN74LS21D by:

2-ch, 4-input, 4.75-V to 5.25-V bipolar AND gates 14-SOIC 0 to 70

Part Details for SN74LS21D by Texas Instruments

Overview of SN74LS21D by Texas Instruments

Tip: Data for a part may vary between manufacturers. You can filter for manufacturers on the top of the page next to the part image and part number.

Applications Energy and Power Systems

Price & Stock for SN74LS21D

Part # Distributor Description Stock Price Buy
DISTI # 2156-SN74LS21D-ND
DigiKey IC GATE AND 2CH 4-INP 14SOIC Min Qty: 1 Lead time: 12 Weeks Container: Bulk MARKETPLACE PRODUCT 22310
In Stock
  • 522 $0.5700
$0.5700 Buy Now
DISTI # 296-3671-5-ND
DigiKey IC GATE AND 2CH 4-INP 14SOIC Min Qty: 1 Lead time: 12 Weeks Container: Tube 640
In Stock
  • 1 $1.3300
  • 10 $1.1860
  • 50 $1.1256
  • 100 $0.9246
  • 250 $0.8642
  • 500 $0.7638
$0.7638 / $1.3300 Buy Now
Bristol Electronics   1013
RFQ
Quest Components Logic Circuit, Dual 4-Input AND, LS-TTL, 14 Pin, Plastic, SOP 233
  • 1 $1.1100
  • 17 $0.6660
  • 76 $0.5180
$0.5180 / $1.1100 Buy Now
Rochester Electronics SN74LS21 Dual 4-input positive-AND gates RoHS: Compliant Status: Active Min Qty: 1 22310
  • 1 $0.5804
  • 25 $0.5688
  • 100 $0.5456
  • 500 $0.5224
  • 1,000 $0.4933
$0.4933 / $0.5804 Buy Now
Chip1Cloud IC GATE AND 2CH 4-INP 14SOIC 3010
RFQ

Part Details for SN74LS21D

SN74LS21D CAD Models

SN74LS21D Part Data Attributes:

SN74LS21D Texas Instruments
Buy Now Datasheet
Compare Parts:
SN74LS21D Texas Instruments 2-ch, 4-input, 4.75-V to 5.25-V bipolar AND gates 14-SOIC 0 to 70
Pbfree Code Yes
Rohs Code Yes
Part Life Cycle Code Obsolete
Ihs Manufacturer TEXAS INSTRUMENTS INC
Part Package Code SOIC
Package Description PLASTIC, SO-14
Pin Count 14
Reach Compliance Code compliant
ECCN Code EAR99
HTS Code 8542.39.00.01
Samacsys Manufacturer Texas Instruments
Family LS
JESD-30 Code R-PDSO-G14
JESD-609 Code e4
Length 8.65 mm
Load Capacitance (CL) 15 pF
Logic IC Type AND GATE
Max I(ol) 0.008 A
Moisture Sensitivity Level 1
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 SOP
Package Equivalence Code SOP14,.25
Package Shape RECTANGULAR
Package Style SMALL OUTLINE
Packing Method TUBE
Peak Reflow Temperature (Cel) 260
Power Supply Current-Max (ICC) 4.4 mA
Prop. Delay@Nom-Sup 20 ns
Propagation Delay (tpd) 20 ns
Qualification Status Not Qualified
Schmitt Trigger NO
Seated Height-Max 1.75 mm
Supply Voltage-Max (Vsup) 5.25 V
Supply Voltage-Min (Vsup) 4.75 V
Supply Voltage-Nom (Vsup) 5 V
Surface Mount YES
Technology TTL
Temperature Grade COMMERCIAL
Terminal Finish Nickel/Palladium/Gold (Ni/Pd/Au)
Terminal Form GULL WING
Terminal Pitch 1.27 mm
Terminal Position DUAL
Time@Peak Reflow Temperature-Max (s) NOT SPECIFIED
Width 3.9 mm

Alternate Parts for SN74LS21D

This table gives cross-reference parts and alternative options found for SN74LS21D. 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 SN74LS21D, 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 Description Manufacturer Compare
SN74LS21DE4 Dual 4-input positive-AND gates 14-SOIC 0 to 70 Texas Instruments SN74LS21D vs SN74LS21DE4
SN54LS21D LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, PLASTIC, SO-14 Texas Instruments SN74LS21D vs SN54LS21D
SN74LS21DR 2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate 14-SOIC 0 to 70 Texas Instruments SN74LS21D vs SN74LS21DR
SN74LS21DR2 LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, PLASTIC, SOIC-14 Motorola Mobility LLC SN74LS21D vs SN74LS21DR2
DM74LS21MX LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, 0.150 INCH, PLASTIC, SOIC-14 Texas Instruments SN74LS21D vs DM74LS21MX
DV74LS21D AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, PLASTIC, SOP-14 avg Semiconductors SN74LS21D vs DV74LS21D
HD74LS21RP AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, FP-14DN, 14 PIN Hitachi Ltd SN74LS21D vs HD74LS21RP
DM74LS21MX AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14 National Semiconductor Corporation SN74LS21D vs DM74LS21MX
SN74LS21DG4 LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, PLASTIC, SO-14 Texas Instruments SN74LS21D vs SN74LS21DG4
DM74LS21M AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, PLASTIC, SOP-14 Rochester Electronics LLC SN74LS21D vs DM74LS21M
Part Number Description Manufacturer Compare
DM74LS21M IC LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, PLASTIC, SOP-14, Gate National Semiconductor Corporation SN74LS21D vs DM74LS21M
DM74LS21MX AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14 National Semiconductor Corporation SN74LS21D vs DM74LS21MX
SN54LS21D LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, PLASTIC, SO-14 Texas Instruments SN74LS21D vs SN54LS21D
HD74LS21RP AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, FP-14DN, 14 PIN Hitachi Ltd SN74LS21D vs HD74LS21RP
DV74LS21D AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, PLASTIC, SOP-14 avg Semiconductors SN74LS21D vs DV74LS21D
DM74LS21M AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, PLASTIC, SOP-14 Rochester Electronics LLC SN74LS21D vs DM74LS21M
SN74LS21DR2 AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, PLASTIC, SOIC-14 Motorola Semiconductor Products SN74LS21D vs SN74LS21DR2
SN74LS21DR 2-ch, 4-input, 4.75-V to 5.25-V 16-mA drive strength bipolar AND gate 14-SOIC 0 to 70 Texas Instruments SN74LS21D vs SN74LS21DR
HD74LS21RP-EL AND Gate, LS Series, 2-Func, 4-Input, TTL, PDSO14, FP-14DN Hitachi Ltd SN74LS21D vs HD74LS21RP-EL
HD74LS21RP LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, FP-14DN Renesas Electronics Corporation SN74LS21D vs HD74LS21RP

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