Datasheets
SN74LS21ND by:

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

Part Details for SN74LS21ND by Motorola Mobility LLC

Overview of SN74LS21ND by Motorola Mobility LLC

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Applications Internet of Things (IoT) Environmental Monitoring Industrial Automation Financial Technology (Fintech) Smart Cities Transportation and Logistics Agriculture Technology Telecommunications Virtual Reality (VR), Augmented Reality (AR), and Vision Systems Education and Research Consumer Electronics Security and Surveillance Audio and Video Systems Computing and Data Storage Healthcare Renewable Energy Entertainment and Gaming Robotics and Drones

Part Details for SN74LS21ND

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SN74LS21ND Part Data Attributes:

SN74LS21ND Motorola Mobility LLC
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SN74LS21ND Motorola Mobility LLC LS SERIES, DUAL 4-INPUT AND GATE, PDIP14, PLASTIC, DIP-14
Part Life Cycle Code Obsolete
Ihs Manufacturer MOTOROLA INC
Part Package Code DIP
Package Description DIP, DIP14,.3
Pin Count 14
Reach Compliance Code unknown
HTS Code 8542.39.00.01
Family LS
JESD-30 Code R-PDIP-T14
JESD-609 Code e0
Length 18.86 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 20 ns
Propagation Delay (tpd) 20 ns
Qualification Status Not Qualified
Schmitt Trigger NO
Seated Height-Max 4.69 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 SN74LS21ND

This table gives cross-reference parts and alternative options found for SN74LS21ND. 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 SN74LS21ND, 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
SN74LS21N-10 IC LS SERIES, DUAL 4-INPUT AND GATE, PDIP14, Gate Texas Instruments SN74LS21ND vs SN74LS21N-10
10062994 https://4donline.ihs.com/images/VipMasterIC/IC/MOTO/MOTOS12630/MOTOS12630-1.pdf Obsolete SN74LS21ND vs 10062994
N74LS21 AND Gate, LS Series, 2-Func, 4-Input, TTL, PDIP14 SN74LS21ND vs
8.94 2477 https://www.ti.com/lit/gpn/sn54ls21?HQS=ti-null-null-sf-df-pf-sep-wwe&DCM=yes SN74LS21ND vs 8.94
Texas Instruments GD54LS21J GD54LS21 SN74LS21ND vs Texas Instruments
Obsolete 216929966 207895312 SN74LS21ND vs Obsolete
AND Gate, LS Series, 2-Func, 4-Input, TTL, PDIP14, PLASTIC, DIP-14 M38510/31003SCA SN74LS21ND vs AND Gate, LS Series, 2-Func, 4-Input, TTL, PDIP14, PLASTIC, DIP-14
8.71 216834146 SN74LS21ND vs
SN54LS21 Motorola Semiconductor Products SN74LS21ND vs SN54LS21
2477 Obsolete 8.94 SN74LS21ND vs 2477
Part Number Description Manufacturer Compare
SN74LS21NDS AND Gate, LS Series, 2-Func, 4-Input, TTL, PDIP14, PLASTIC, DIP-14 Motorola Semiconductor Products SN74LS21ND vs SN74LS21NDS
293834514 https://4donline.ihs.com/images/VipMasterIC/IC/GOLD/GOLDD006/GOLDD006-4-36.pdf Obsolete SN74LS21ND vs 293834514
SNJ54LS21 LS SERIES, DUAL 4-INPUT AND GATE, CDIP14 SN74LS21ND vs
8.94 2443 https://4donline.ihs.com/images/VipMasterIC/IC/SGST/SGSTS42609/SGSTS42609-1.pdf SN74LS21ND vs 8.94
STMicroelectronics SN74LS21NS SN74LS21 SN74LS21ND vs STMicroelectronics
Obsolete 293835347 293710898 SN74LS21ND vs Obsolete
AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14, SN74LS21ND SN74LS21ND vs AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14,
https://4donline.ihs.com/images/VipMasterIC/IC/MOTO/MOTOS12630/MOTOS12630-1.pdf 9.01 10062994 SN74LS21ND vs https://4donline.ihs.com/images/VipMasterIC/IC/MOTO/MOTOS12630/MOTOS12630-1.pdf
SN74LS21 Motorola Mobility LLC SN74LS21ND vs SN74LS21
2178096 Active 6.85 SN74LS21ND vs 2178096

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