Datasheet Texas Instruments SN74ALS521
| Manufacturer | Texas Instruments |
| Series | SN74ALS521 |
8-Bit Identity/Magnitude Comparators (P=Q) with Enable
Datasheets
8-Bit Identity Comparators datasheet
PDF, 1.3 Mb, Revision: B, File published: Nov 1, 1995
Extract from the document
Prices
Status
| SN74ALS521DW | SN74ALS521DWE4 | SN74ALS521DWR | SN74ALS521DWRE4 | SN74ALS521N | SN74ALS521NSR | |
|---|---|---|---|---|---|---|
| Lifecycle Status | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | Yes | No | No | Yes |
Packaging
| SN74ALS521DW | SN74ALS521DWE4 | SN74ALS521DWR | SN74ALS521DWRE4 | SN74ALS521N | SN74ALS521NSR | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 20 | 20 | 20 | 20 | 20 | 20 |
| Package Type | DW | DW | DW | DW | N | NS |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | PDIP | SOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDSO-G |
| Package QTY | 25 | 25 | 2000 | 2000 | 20 | 2000 |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | TUBE | LARGE T&R |
| Device Marking | ALS521 | ALS521 | ALS521 | ALS521 | SN74ALS521N | ALS521 |
| Width (mm) | 7.5 | 7.5 | 7.5 | 7.5 | 6.35 | 5.3 |
| Length (mm) | 12.8 | 12.8 | 12.8 | 12.8 | 24.33 | 12.6 |
| Thickness (mm) | 2.35 | 2.35 | 2.35 | 2.35 | 4.57 | 1.95 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 1.27 |
| Max Height (mm) | 2.65 | 2.65 | 2.65 | 2.65 | 5.08 | 2 |
| Mechanical Data | Download | Download | Download | Download | Download | Download |
Parametrics
| Parameters / Models | SN74ALS521DW | SN74ALS521DWE4 | SN74ALS521DWR | SN74ALS521DWRE4 | SN74ALS521N | SN74ALS521NSR |
|---|---|---|---|---|---|---|
| Bits | 8 | 8 | 8 | 8 | 8 | 8 |
| F @ Nom Voltage(Max), Mhz | 75 | 75 | 75 | 75 | 75 | 75 |
| ICC @ Nom Voltage(Max), mA | 19 | 19 | 19 | 19 | 19 | 19 |
| Operating Temperature Range, C | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 |
| Output Drive (IOL/IOH)(Max), mA | 24/-2.6 | 24/-2.6 | 24/-2.6 | 24/-2.6 | 24/-2.6 | 24/-2.6 |
| Package Group | SOIC | SOIC | SOIC | SOIC | PDIP | SO |
| Package Size: mm2:W x L, PKG | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | 20SOIC: 132 mm2: 10.3 x 12.8(SOIC) | See datasheet (PDIP) | 20SO: 98 mm2: 7.8 x 12.6(SO) |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Technology Family | ALS | ALS | ALS | ALS | ALS | ALS |
| VCC(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| VCC(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 |
| Voltage(Nom), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 |
| tpd @ Nom Voltage(Max), ns | 22 | 22 | 22 | 22 | 22 | 22 |
Eco Plan
| SN74ALS521DW | SN74ALS521DWE4 | SN74ALS521DWR | SN74ALS521DWRE4 | SN74ALS521N | SN74ALS521NSR | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes |
Application Notes
- Advanced Schottky (ALS and AS) Logic FamiliesPDF, 1.9 Mb, File published: Aug 1, 1995
This document introduces the advanced Schottky family of clamped TTL integrated circuits (ICs). Detailed electrical characteristics of the 'AS and 'ALS devices with table formats are provided. Guidelines for designing high-performance digital systems using the Advanced Schottky family are given along with a brief summary of the solutions to most design decisions needed to implement systems using t
Model Line
Series: SN74ALS521 (6)
Manufacturer's Classification
- Semiconductors> Logic> Specialty Logic> Digital Comparator
