Datasheet Texas Instruments SN74LS449 — 数据表
| 制造商 | Texas Instruments |
| 系列 | SN74LS449 |
具有独立方向控制的四路总线收发器
数据表
价格
状态
| SN74LS449D | SN74LS449N | |
|---|---|---|
| Lifecycle Status | Obsolete (Manufacturer has discontinued the production of the device) | Obsolete (Manufacturer has discontinued the production of the device) |
| Manufacture's Sample Availability | No | No |
打包
| SN74LS449D | SN74LS449N | |
|---|---|---|
| N | 1 | 2 |
| Pin | 16 | 16 |
| Package Type | D | N |
| Industry STD Term | SOIC | PDIP |
| JEDEC Code | R-PDSO-G | R-PDIP-T |
| Width (mm) | 3.91 | 6.35 |
| Length (mm) | 9.9 | 19.3 |
| Thickness (mm) | 1.58 | 3.9 |
| Pitch (mm) | 1.27 | 2.54 |
| Max Height (mm) | 1.75 | 5.08 |
| Mechanical Data | 下载 | 下载 |
生态计划
| SN74LS449D | SN74LS449N | |
|---|---|---|
| RoHS | Not Compliant | Not Compliant |
| Pb Free | No | No |
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: SN74LS449 (2)
制造商分类
- Semiconductors> Logic> Buffer/Driver/Transceiver> Standard Transceiver