Part Details for 54LS21DMQB by National Semiconductor Corporation
Overview of 54LS21DMQB by National Semiconductor Corporation
- Distributor Offerings: (1 listing)
- Number of FFF Equivalents: (10 replacements)
- CAD Models: (Request Part)
- Number of Functional Equivalents: (10 options)
- Part Data Attributes: (Available)
- Reference Designs: (Not Available)
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.
Price & Stock for 54LS21DMQB
| Part # | Distributor | Description | Stock | Price | Buy | |
|---|---|---|---|---|---|---|
|
|
Quest Components | Logic Circuit, Dual 4-Input AND, LS-TTL, 14 Pin, Ceramic, DIP | 53 |
|
$1.2797 / $2.3268 | Buy Now |
Part Details for 54LS21DMQB
54LS21DMQB CAD Models
54LS21DMQB Part Data Attributes
|
|
54LS21DMQB
National Semiconductor Corporation
Buy Now
Datasheet
|
Compare Parts:
54LS21DMQB
National Semiconductor Corporation
AND Gate, LS Series, 2-Func, 4-Input, TTL, CDIP14
|
| Part Life Cycle Code | Obsolete | |
| Ihs Manufacturer | NATIONAL SEMICONDUCTOR CORP | |
| Package Description | CERAMIC, DIP-14 | |
| Reach Compliance Code | unknown | |
| Family | LS | |
| JESD-30 Code | R-GDIP-T14 | |
| Length | 19.43 mm | |
| Load Capacitance (CL) | 15 pF | |
| Logic IC Type | AND GATE | |
| Max I(ol) | 0.004 A | |
| Number of Functions | 2 | |
| Number of Inputs | 4 | |
| Number of Terminals | 14 | |
| Operating Temperature-Max | 125 °C | |
| Operating Temperature-Min | -55 °C | |
| Package Body Material | CERAMIC, GLASS-SEALED | |
| 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 | |
| Screening Level | 38535Q/M;38534H;883B | |
| Seated Height-Max | 5.08 mm | |
| Supply Voltage-Max (Vsup) | 5.5 V | |
| Supply Voltage-Min (Vsup) | 4.5 V | |
| Supply Voltage-Nom (Vsup) | 5 V | |
| Surface Mount | NO | |
| Technology | TTL | |
| Temperature Grade | MILITARY | |
| Terminal Form | THROUGH-HOLE | |
| Terminal Pitch | 2.54 mm | |
| Terminal Position | DUAL | |
| Width | 7.62 mm |
Alternate Parts for 54LS21DMQB
This table gives cross-reference parts and alternative options found for 54LS21DMQB. 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 54LS21DMQB, 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 |
|---|---|---|---|
| 74LS21D | IC LS SERIES, DUAL 4-INPUT AND GATE, PDSO14, Gate | Texas Instruments | 54LS21DMQB vs 74LS21D |
| SN74ALS21N | IC,LOGIC GATE,DUAL 4-INPUT AND,ALS-TTL,DIP,14PIN,PLASTIC | Texas Instruments | 54LS21DMQB vs SN74ALS21N |
| 54LS21DM | IC,LOGIC GATE,DUAL 4-INPUT AND,LS-TTL,DIP,14PIN,CERAMIC | Texas Instruments | 54LS21DMQB vs 54LS21DM |
| SN74ALS21N-10 | ALS SERIES, DUAL 4-INPUT AND GATE, PDIP14 | Texas Instruments | 54LS21DMQB vs SN74ALS21N-10 |
| SN74ALS21J | IC,LOGIC GATE,DUAL 4-INPUT AND,ALS-TTL,DIP,14PIN,CERAMIC | Freescale Semiconductor | 54LS21DMQB vs SN74ALS21J |
| SN54ALS21J | AND Gate | Rochester Electronics LLC | 54LS21DMQB vs SN54ALS21J |
| 5962-01-235-3123 | AND Gate, TTL, CDIP14, | Fairchild Semiconductor Corporation | 54LS21DMQB vs 5962-01-235-3123 |
| SN74ALS21J4 | IC,LOGIC GATE,DUAL 4-INPUT AND,ALS-TTL,DIP,14PIN,CERAMIC | Texas Instruments | 54LS21DMQB vs SN74ALS21J4 |
| SN74ALS21N3 | IC,LOGIC GATE,DUAL 4-INPUT AND,ALS-TTL,DIP,14PIN,PLASTIC | Texas Instruments | 54LS21DMQB vs SN74ALS21N3 |
| SN54ALS21J-00 | ALS SERIES, DUAL 4-INPUT AND GATE, CDIP14 | Texas Instruments | 54LS21DMQB vs SN54ALS21J-00 |