Datasheet Texas Instruments SNJ54LS257BFK — 数据表
| 制造商 | Texas Instruments |
| 系列 | SN54LS257B |
| 零件号 | SNJ54LS257BFK |
四路2线至1线数据选择器/多路复用器20-LCCC -55至125
数据表
Quadruple 2-Line To 1-Line Data Selectors/Multiplexers datasheet
PDF, 989 Kb, 档案已发布: Mar 1, 1988
从文件中提取
价格
状态
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
打包
| Pin | 20 | 20 |
| Package Type | FK | FK |
| Industry STD Term | LCCC | LCCC |
| JEDEC Code | S-CQCC-N | S-CQCC-N |
| Package QTY | 1 | 1 |
| Carrier | TUBE | TUBE |
| Device Marking | SNJ54LS | 257BFK |
| Width (mm) | 8.89 | 8.89 |
| Length (mm) | 8.89 | 8.89 |
| Thickness (mm) | 1.83 | 1.83 |
| Pitch (mm) | 1.27 | 1.27 |
| Max Height (mm) | 2.03 | 2.03 |
| Mechanical Data | 下载 | 下载 |
参数化
| Number of Channels | 4 |
| F @ Nom Voltage(Max) | 35 Mhz |
| ICC @ Nom Voltage(Max) | 19 mA |
| Operating Temperature Range | -55 to 125 C |
| Package Group | LCCC |
| Package Size: mm2:W x L | 20LCCC: 79 mm2: 8.89 x 8.89(LCCC) PKG |
| Rating | Military |
| Schmitt Trigger | No |
| Technology Family | LS |
| VCC(Max) | 5.5 V |
| VCC(Min) | 4.5 V |
| Voltage(Nom) | 5 V |
| tpd @ Nom Voltage(Max) | 21 ns |
生态计划
| RoHS | See ti.com |
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: SN54LS257B (12)
制造商分类
- Semiconductors > Space & High Reliability > Logic Products > Specialty Logic Products > Decoders/Encoders/Multiplexers