Datasheet Texas Instruments SN74LS644 — 数据表
制造商 | Texas Instruments |
系列 | SN74LS644 |
具有集电极开路输出的八路总线收发器
数据表
价格
状态
SN74LS644-1N | SN74LS644N | |
---|---|---|
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
SN74LS644-1N | SN74LS644N | |
---|---|---|
N | 1 | 2 |
Pin | 20 | 20 |
Package Type | N | N |
Industry STD Term | PDIP | PDIP |
JEDEC Code | R-PDIP-T | R-PDIP-T |
Width (mm) | 6.35 | 6.35 |
Length (mm) | 24.33 | 24.33 |
Thickness (mm) | 4.57 | 4.57 |
Pitch (mm) | 2.54 | 2.54 |
Max Height (mm) | 5.08 | 5.08 |
Mechanical Data | 下载 | 下载 |
生态计划
SN74LS644-1N | SN74LS644N | |
---|---|---|
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: SN74LS644 (2)
制造商分类
- Semiconductors> Logic> Buffer/Driver/Transceiver> Standard Transceiver