Datasheet Texas Instruments SN74HC251 — 数据表
| 制造商 | Texas Instruments |
| 系列 | SN74HC251 |

具有三态输出的数据选择器/多路复用器
数据表
状态
| SN74HC251D | SN74HC251DBR | SN74HC251DE4 | SN74HC251DG4 | SN74HC251DR | SN74HC251DRE4 | SN74HC251DRG4 | SN74HC251DT | SN74HC251N | SN74HC251NSR | SN74HC251PW | SN74HC251PWG4 | SN74HC251PWR | SN74HC251PWRG4 | SN74HC251PWT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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) | 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) | Active (Recommended for new designs) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | Yes | No | No | No | No | No | No | No | No | Yes | No | No | No |
打包
| SN74HC251D | SN74HC251DBR | SN74HC251DE4 | SN74HC251DG4 | SN74HC251DR | SN74HC251DRE4 | SN74HC251DRG4 | SN74HC251DT | SN74HC251N | SN74HC251NSR | SN74HC251PW | SN74HC251PWG4 | SN74HC251PWR | SN74HC251PWRG4 | SN74HC251PWT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 |
| Pin | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Type | D | DB | D | D | D | D | D | D | N | NS | PW | PW | PW | PW | PW |
| Industry STD Term | SOIC | SSOP | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | SOP | TSSOP | TSSOP | TSSOP | TSSOP | TSSOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G |
| Package QTY | 40 | 2000 | 40 | 40 | 2500 | 2500 | 2500 | 250 | 25 | 2000 | 90 | 90 | 2000 | 2000 | 250 |
| Carrier | TUBE | LARGE T&R | TUBE | TUBE | LARGE T&R | LARGE T&R | LARGE T&R | SMALL T&R | TUBE | LARGE T&R | TUBE | TUBE | LARGE T&R | LARGE T&R | SMALL T&R |
| Device Marking | HC251 | HC251 | HC251 | HC251 | HC251 | HC251 | HC251 | HC251 | SN74HC251N | HC251 | HC251 | HC251 | HC251 | HC251 | HC251 |
| Width (mm) | 3.91 | 5.3 | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 | 5.3 | 4.4 | 4.4 | 4.4 | 4.4 | 4.4 |
| Length (mm) | 9.9 | 6.2 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 19.3 | 10.3 | 5 | 5 | 5 | 5 | 5 |
| Thickness (mm) | 1.58 | 1.95 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 | 1.95 | 1 | 1 | 1 | 1 | 1 |
| Pitch (mm) | 1.27 | .65 | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 1.27 | .65 | .65 | .65 | .65 | .65 |
| Max Height (mm) | 1.75 | 2 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 | 2 | 1.2 | 1.2 | 1.2 | 1.2 | 1.2 |
| Mechanical Data | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 | 下载 |
参数化
| Parameters / Models | SN74HC251D![]() | SN74HC251DBR![]() | SN74HC251DE4![]() | SN74HC251DG4![]() | SN74HC251DR![]() | SN74HC251DRE4![]() | SN74HC251DRG4![]() | SN74HC251DT![]() | SN74HC251N![]() | SN74HC251NSR![]() | SN74HC251PW![]() | SN74HC251PWG4![]() | SN74HC251PWR![]() | SN74HC251PWRG4![]() | SN74HC251PWT![]() |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Bandwidth, MHz | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Bits | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | 8 |
| Number of Channels | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
| Configuration | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 | 8:1 |
| Digital input leakage(Max), uA | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| ESD Charged Device Model, kV | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 | 0.75 |
| ESD HBM, kV | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| F @ Nom Voltage(Max), Mhz | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 | 28 |
| Function | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | Encoder/Multiplexer | 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 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 | 0.08 |
| Operating Temperature Range, C | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 | -40 to 85 |
| Output Drive (IOL/IOH)(Max), mA | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 | 7.8/-7.8 |
| Package Group | SOIC | SSOP | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | SO | TSSOP | TSSOP | TSSOP | TSSOP | TSSOP |
| Package Size: mm2:W x L, PKG | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SSOP: 48 mm2: 7.8 x 6.2(SSOP) | 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) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | See datasheet (PDIP) | 16SO: 80 mm2: 7.8 x 10.2(SO) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) | 16TSSOP: 32 mm2: 6.4 x 5(TSSOP) |
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Schmitt Trigger | No | No | No | No | No | No | No | No | No | No | No | No | No | No | No |
| Technology Family | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC | HC |
| Type | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output | 3-State Output |
| VCC(Max), V | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 6 |
| VCC(Min), V | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Voltage(Nom), V | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 | 3.3,5 |
| tpd @ Nom Voltage(Max), ns | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 | 51 |
生态计划
| SN74HC251D | SN74HC251DBR | SN74HC251DE4 | SN74HC251DG4 | SN74HC251DR | SN74HC251DRE4 | SN74HC251DRG4 | SN74HC251DT | SN74HC251N | SN74HC251NSR | SN74HC251PW | SN74HC251PWG4 | SN74HC251PWR | SN74HC251PWRG4 | SN74HC251PWT | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant |
| Pb Free | Yes |
模型线
系列: SN74HC251 (15)
制造商分类
- Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders