SN74LS374 具有三态输出的八路 D 类透明锁存器
These 8-bit registers feature 3-state outputs designed specifically for driving highly capacitive or relatively low-impedance loads. The high-impedance 3-state and increased high-logic-level drive provide these registers with the capability of being connected directly to and driving the bus lines in a bus-organized system without need for interface or pullup components. These devices are particularly attractive for implementing buffer registers, I/O ports, bidirectional bus drivers, and working registers.
The eight latches of the ’LS373 and ’S373 are transparent D-type latches, meaning that while the enable (C or CLK) input is high, the Q outputs follow the data (D) inputs. When C or CLK is taken low, the output is latched at the level of the data that was set up
SN74LS374 特性
- Choice of Eight Latches or Eight D-Type Flip-Flops in a Single Package
- 3-State Bus-Driving Outputs
- Full Parallel Access for Loading
- Buffered Control Inputs
- Clock-Enable Input Has Hysteresis to Improve Noise Rejection (’S373 and ’S374)
- P-N-P Inputs Reduce DC Loading on Data Lines (’S373 and ’S374)
SN74LS374 芯片订购指南
| 器件 |
状态 |
温度 |
价格（美元） |
封装 | 引脚 |
封装数量 | 封装载体 |
丝印标记 |
| SN74LS374DW |
ACTIVE |
0 to 70 |
3.20 | 1ku |
SOIC (DW) | 20 |
25 | TUBE |
|
| SN74LS374DWE4 |
ACTIVE |
0 to 70 |
3.20 | 1ku |
SOIC (DW) | 20 |
25 | TUBE |
|
| SN74LS374DWG4 |
ACTIVE |
0 to 70 |
3.20 | 1ku |
SOIC (DW) | 20 |
25 | TUBE |
|
| SN74LS374DWR |
ACTIVE |
0 to 70 |
2.65 | 1ku |
SOIC (DW) | 20 |
2000 | LARGE T&R |
|
| SN74LS374DWRE4 |
ACTIVE |
0 to 70 |
2.65 | 1ku |
SOIC (DW) | 20 |
2000 | LARGE T&R |
|
| SN74LS374DWRG4 |
ACTIVE |
0 to 70 |
2.65 | 1ku |
SOIC (DW) | 20 |
2000 | LARGE T&R |
|
| SN74LS374N |
ACTIVE |
0 to 70 |
2.90 | 1ku |
PDIP (N) | 20 |
20 | TUBE |
|
| SN74LS374N3 |
OBSOLETE |
0 to 70 |
|
PDIP (N) | 20 |
|
|
| SN74LS374NE4 |
ACTIVE |
0 to 70 |
2.90 | 1ku |
PDIP (N) | 20 |
20 | TUBE |
|
| SN74LS374NSR |
ACTIVE |
0 to 70 |
2.90 | 1ku |
SO (NS) | 20 |
2000 | LARGE T&R |
|
| SN74LS374NSRE4 |
ACTIVE |
0 to 70 |
2.90 | 1ku |
SO (NS) | 20 |
2000 | LARGE T&R |
|
| SN74LS374NSRG4 |
ACTIVE |
0 to 70 |
2.90 | 1ku |
SO (NS) | 20 |
2000 | LARGE T&R |
|
SN74LS374 质量与无铅数据
| 器件 |
环保计划* |
铅/焊球涂层 |
MSL 等级/回流焊峰 |
环保信息与无铅 (Pb-free) |
DPPM / MTBF / FIT 率 |
| SN74LS374DW |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374DW |
SN74LS374DW |
| SN74LS374DWE4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374DWE4 |
SN74LS374DWE4 |
| SN74LS374DWG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374DWG4 |
SN74LS374DWG4 |
| SN74LS374DWR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374DWR |
SN74LS374DWR |
| SN74LS374DWRE4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374DWRE4 |
SN74LS374DWRE4 |
| SN74LS374DWRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374DWRG4 |
SN74LS374DWRG4 |
| SN74LS374N |
Pb-Free (RoHS) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374N |
SN74LS374N |
| SN74LS374NE4 |
Pb-Free (RoHS) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374NE4 |
SN74LS374NE4 |
| SN74LS374NSR |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374NSR |
SN74LS374NSR |
| SN74LS374NSRE4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374NSRE4 |
SN74LS374NSRE4 |
| SN74LS374NSRG4 |
Green (RoHS & no Sb/Br) |
CU NIPDAU |
Level-1-260C-UNLIM |
SN74LS374NSRG4 |
SN74LS374NSRG4 |
SN74LS374 应用技术支持与电子电路设计开发资源下载
- SN74LS374 数据资料 dataSheet 下载.PDF
- TI 德州仪器触发器/锁存器/寄存器产品选型与价格 . xls
- Shelf-Life Evaluation of Lead-Free Component Finishes (PDF 1305 KB)
- Understanding and Interpreting Standard-Logic Data Sheets (PDF 857 KB)
- TI IBIS File Creation, Validation, and Distribution Processes (PDF 380 KB)
- Implications of Slow or Floating CMOS Inputs (PDF 101 KB)
- CMOS Power Consumption and CPD Calculation (PDF 89 KB)
- Designing With Logic (PDF 186 KB)
- Live Insertion (PDF 150 KB)
- Input and Output Characteristics of Digital Integrated Circuits (PDF 1708 KB)
- Using High Speed CMOS and Advanced CMOS in Systems With Multiple Vcc (PDF 43 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- LOGIC Pocket Data Book (PDF 6001 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- Logic Cross-Reference (PDF 2938 KB)
