Datasheet Texas Instruments SN74HCT257 — Datenblatt
| Hersteller | Texas Instruments |
| Serie | SN74HCT257 |

Vierfache 2-Zeilen- bis 1-Zeilen-Datenauswahl / Multiplexer mit 3-Zustands-Ausgängen
Datenblätter
SN54HCT257, SN74HCT257 datasheet
PDF, 451 Kb, Revision: D, Datei veröffentlicht: Sep 15, 2003
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Status
| SN74HCT257D | SN74HCT257DG4 | SN74HCT257DR | SN74HCT257DRE4 | SN74HCT257DT | SN74HCT257N | |
|---|---|---|---|---|---|---|
| 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 | No | No | No | No |
Verpackung
| SN74HCT257D | SN74HCT257DG4 | SN74HCT257DR | SN74HCT257DRE4 | SN74HCT257DT | SN74HCT257N | |
|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 |
| Pin | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Type | D | D | D | D | D | N |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T |
| Package QTY | 40 | 40 | 2500 | 2500 | 250 | 25 |
| Carrier | TUBE | TUBE | LARGE T&R | LARGE T&R | SMALL T&R | TUBE |
| Device Marking | HCT257 | HCT257 | HCT257 | HCT257 | HCT257 | SN74HCT257N |
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 |
| Length (mm) | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 19.3 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 |
| Mechanical Data | Herunterladen | Herunterladen | Herunterladen | Herunterladen | Herunterladen | Herunterladen |
Parameter
| Parameters / Models | SN74HCT257D![]() | SN74HCT257DG4![]() | SN74HCT257DR![]() | SN74HCT257DRE4![]() | SN74HCT257DT![]() | SN74HCT257N![]() |
|---|---|---|---|---|---|---|
| Approx. Price (US$) | 0.14 | 1ku | |||||
| Bandwidth, MHz | 28 | 28 | 28 | 28 | 28 | |
| Bandwidth(MHz) | 28 | |||||
| Bits | 2 | 2 | 2 | 2 | 2 | |
| Bits(#) | 2 | |||||
| Number of Channels | 4 | 4 | 4 | 4 | 4 | |
| Channels(#) | 4 | |||||
| Configuration | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 |
| Digital input leakage(Max), uA | 5 | 5 | 5 | 5 | 5 | |
| Digital input leakage(Max)(uA) | 5 | |||||
| ESD Charged Device Model, kV | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | |
| ESD Charged Device Model(kV) | 0.75 | |||||
| ESD HBM, kV | 2 | 2 | 2 | 2 | 2 | |
| ESD HBM(kV) | 2 | |||||
| F @ Nom Voltage(Max), Mhz | 25 | 25 | 25 | 25 | 25 | |
| F @ Nom Voltage(Max)(Mhz) | 25 | |||||
| Function | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer |
| ICC @ Nom Voltage(Max), mA | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | |
| ICC @ Nom Voltage(Max)(mA) | 0.08 | |||||
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | |
| Operating Temperature Range(C) | -40 to 85 | |||||
| Output Drive (IOL/IOH)(Max), mA | 6/-6 | 6/-6 | 6/-6 | 6/-6 | 6/-6 | |
| Output Drive (IOL/IOH)(Max)(mA) | 6/-6 | |||||
| Package Group | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP |
| Package Size: mm2:W x L, PKG | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | See datasheet (PDIP) | |
| Package Size: mm2:W x L (PKG) | See datasheet (PDIP) | |||||
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Schmitt Trigger | No | No | No | No | No | No |
| Technology Family | HCT | HCT | HCT | HCT | HCT | HCT |
| Type | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output |
| VCC(Max), V | 5.5 | 5.5 | 5.5 | 5.5 | 5.5 | |
| VCC(Max)(V) | 5.5 | |||||
| VCC(Min), V | 4.5 | 4.5 | 4.5 | 4.5 | 4.5 | |
| VCC(Min)(V) | 4.5 | |||||
| Voltage(Nom), V | 5 | 5 | 5 | 5 | 5 | |
| Voltage(Nom)(V) | 5 | |||||
| tpd @ Nom Voltage(Max), ns | 38 | 38 | 38 | 38 | 38 | |
| tpd @ Nom Voltage(Max)(ns) | 38 |
Öko-Plan
| SN74HCT257D | SN74HCT257DG4 | SN74HCT257DR | SN74HCT257DRE4 | SN74HCT257DT | SN74HCT257N | |
|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes | Yes |
Modellreihe
Serie: SN74HCT257 (6)
Herstellerklassifikation
- Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders