Datasheet Texas Instruments SN74LS157 — 数据表
| 制造商 | Texas Instruments |
| 系列 | SN74LS157 |

四路2线至1线数据选择器/多路复用器
数据表
SN54157, SN54LS157, SN54LS158, SN54S157, SN54S158, SN74157, SN74LS157, SN74LS158 datasheet
PDF, 1.2 Mb, 修订版: A, 档案已发布: Mar 1, 1974
从文件中提取
状态
| SN74LS157D | SN74LS157DE4 | SN74LS157DG4 | SN74LS157DR | SN74LS157DRE4 | SN74LS157DRG4 | SN74LS157N | SN74LS157N3 | SN74LS157NE4 | SN74LS157NSR | |
|---|---|---|---|---|---|---|---|---|---|---|
| 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) | Obsolete (Manufacturer has discontinued the production of the device) | Active (Recommended for new designs) | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No | No | No | No | No | No | No | No | No | No |
打包
| SN74LS157D | SN74LS157DE4 | SN74LS157DG4 | SN74LS157DR | SN74LS157DRE4 | SN74LS157DRG4 | SN74LS157N | SN74LS157N3 | SN74LS157NE4 | SN74LS157NSR | |
|---|---|---|---|---|---|---|---|---|---|---|
| N | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 |
| Pin | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 |
| Package Type | D | D | D | D | D | D | N | N | N | NS |
| Industry STD Term | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | PDIP | SOP |
| JEDEC Code | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDSO-G | R-PDIP-T | R-PDIP-T | R-PDIP-T | R-PDSO-G |
| Package QTY | 40 | 40 | 40 | 2500 | 2500 | 2500 | 25 | 25 | 2000 | |
| Carrier | TUBE | TUBE | TUBE | LARGE T&R | LARGE T&R | LARGE T&R | TUBE | TUBE | LARGE T&R | |
| Device Marking | LS157 | LS157 | LS157 | LS157 | LS157 | LS157 | SN74LS157N | SN74LS157N | 74LS157 | |
| Width (mm) | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 3.91 | 6.35 | 6.35 | 6.35 | 5.3 |
| Length (mm) | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 9.9 | 19.3 | 19.3 | 19.3 | 10.3 |
| Thickness (mm) | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 1.58 | 3.9 | 3.9 | 3.9 | 1.95 |
| Pitch (mm) | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 1.27 | 2.54 | 2.54 | 2.54 | 1.27 |
| Max Height (mm) | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 1.75 | 5.08 | 5.08 | 5.08 | 2 |
| Mechanical Data | 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 | SN74LS157D![]() | SN74LS157DE4![]() | SN74LS157DG4![]() | SN74LS157DR![]() | SN74LS157DRE4![]() | SN74LS157DRG4![]() | SN74LS157N![]() | SN74LS157N3![]() | SN74LS157NE4![]() | SN74LS157NSR![]() |
|---|---|---|---|---|---|---|---|---|---|---|
| Approx. Price (US$) | 0.22 | 1ku | |||||||||
| Bandwidth, MHz | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | |
| Bits | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| Number of Channels | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | 4 | |
| Channels(#) | 4 | |||||||||
| Configuration | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 | 2:1 |
| Digital input leakage(Max), uA | 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 | |
| ESD HBM, kV | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | 2 | |
| F @ Nom Voltage(Max), Mhz | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | 35 | |
| F @ Nom Voltage(Max)(Mhz) | 35 | |||||||||
| Function | 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 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | 16 | |
| ICC @ Nom Voltage(Max)(mA) | 16 | |||||||||
| Operating Temperature Range, C | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | 0 to 70 | |
| Operating Temperature Range(C) | 0 to 70 | |||||||||
| Output Drive (IOL/IOH)(Max), mA | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | 8/-0.4 | |
| Output Drive (IOL/IOH)(Max)(mA) | 8/-0.4 | |||||||||
| Package Group | SOIC | SOIC | SOIC | SOIC | SOIC | SOIC | PDIP | PDIP | PDIP | SO |
| 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) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | 16SOIC: 59 mm2: 6 x 9.9(SOIC) | See datasheet (PDIP) | See datasheet (PDIP) | 16SO: 80 mm2: 7.8 x 10.2(SO) | |
| Package Size: mm2:W x L (PKG) | See datasheet (PDIP) | |||||||||
| Rating | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog | Catalog |
| Schmitt Trigger | No | No | No | No | No | No | No | No | No | No |
| Technology Family | LS | LS | LS | LS | LS | LS | LS | LS | LS | LS |
| Type | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard | Standard |
| VCC(Max), V | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | 5.25 | |
| VCC(Max)(V) | 5.25 | |||||||||
| VCC(Min), V | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | 4.75 | |
| VCC(Min)(V) | 4.75 | |||||||||
| Voltage(Nom), V | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | 5 | |
| Voltage(Nom)(V) | 5 | |||||||||
| tpd @ Nom Voltage(Max), ns | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | 14 | |
| tpd @ Nom Voltage(Max)(ns) | 14 |
生态计划
| SN74LS157D | SN74LS157DE4 | SN74LS157DG4 | SN74LS157DR | SN74LS157DRE4 | SN74LS157DRG4 | SN74LS157N | SN74LS157N3 | SN74LS157NE4 | SN74LS157NSR | |
|---|---|---|---|---|---|---|---|---|---|---|
| RoHS | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Compliant | Not Compliant | Compliant | Compliant |
| Pb Free | No | Yes | Yes |
应用须知
- Designing with the SN54/74LS123 (Rev. A)PDF, 118 Kb, 修订版: A, 档案已发布: Mar 1, 1997
The Texas Instruments (TI) SN54/74LS123 dual retriggerable monostable multivibrator is a one-shot device capable of verylong output pulses and up to 100% duty cycle. The ?LS123 also features dc triggering from gated low-level active A andhigh-level active B inputs and provides a clear input that terminates the output pulse of any predetermined time independentof timing components R ext and
模型线
系列: SN74LS157 (10)
制造商分类
- Semiconductors> Switches and Multiplexers> Buffered Encoders and Decoders