Datasheet Texas Instruments SN74LS191DE4 — 数据表
| 制造商 | Texas Instruments |
| 系列 | SN74LS191 |
| 零件号 | SN74LS191DE4 |

具有向上/向下模式控制的同步4位向上/向下计数器16-SOIC 0至70
数据表
Synchronous Up/Down Counters With Down/Up Mode Control datasheet
PDF, 1.1 Mb, 档案已发布: Mar 1, 1988
从文件中提取
状态
| Lifecycle Status | Active (Recommended for new designs) |
| Manufacture's Sample Availability | No |
打包
| Pin | 16 |
| Package Type | D |
| Industry STD Term | SOIC |
| JEDEC Code | R-PDSO-G |
| Package QTY | 40 |
| Carrier | TUBE |
| Device Marking | LS191 |
| Width (mm) | 3.91 |
| Length (mm) | 9.9 |
| Thickness (mm) | 1.58 |
| Pitch (mm) | 1.27 |
| Max Height (mm) | 1.75 |
| Mechanical Data | 下载 |
参数化
| Bits | 4 |
| F @ Nom Voltage(Max) | 35 Mhz |
| Function | Counter |
| ICC @ Nom Voltage(Max) | 105 mA |
| Operating Temperature Range | 0 to 70 C |
| Output Drive (IOL/IOH)(Max) | 16/-0.8 mA |
| Package Group | SOIC |
| Package Size: mm2:W x L | 16SOIC: 59 mm2: 6 x 9.9(SOIC) PKG |
| Rating | Catalog |
| Technology Family | LS |
| Type | Binary |
| VCC(Max) | 5.25 V |
| VCC(Min) | 4.75 V |
| Voltage(Nom) | 5 V |
| tpd @ Nom Voltage(Max) | 52 ns |
生态计划
| RoHS | Compliant |
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: SN74LS191 (5)
- SN74LS191D SN74LS191DE4 SN74LS191DR SN74LS191N SN74LS191NSR
制造商分类
- Semiconductors > Logic > Specialty Logic > Counter/Arithmetic/Parity Function