SN74AS244A 具有三态输出的八路缓冲器/驱动器
SN74AS244A 描述
These octal buffers and line drivers are designed specifically to improve the performance and density of 3-state memory address drivers, clock drivers, and bus-oriented receivers and transmitters. With the ´ALS240A, ´ALS241C, ´AS240A, and ´AS241A, these devices provide the choice of selected combinations of inverting outputs, symmetrical active-low output-enable (
) inputs, and complementary OE and inputs.
The -1 version of SN74ALS244C is identical to the standard version, except that the recommended maximum IOL for the -1 version is 48 mA. There is no -1 version of the SN54ALS244C.
The SN54ALS244C and SN54AS244A are characterized for operation over the full military temperature range of -55°C to 125°C
| SN54AS244A | SN74AS244A | |
| Voltage Nodes(V) | 5 | 5 |
| Vcc range(V) | 4.5 to 5.5 | 4.5 to 5.5 |
| Logic | True | True |
| Input Level | TTL | TTL |
| Output Level | TTL | TTL |
| Output Drive(mA) | -15/64 | |
| No. of Outputs | 8 | 8 |
| tpd max(ns) | 6.2 | |
| Static Current | 62 | |
| Rating | Military | Catalog |
| Technology Family | AS | AS |
SN74AS244A 特性
- 3-State Outputs Drive Bus Lines or Buffer Memory Address Registers
- pnp Inputs Reduce dc Loading
- Package Options Include Plastic Small-Outline (DW) Packages, Ceramic Chip Carriers (FK), and Standard Plastic (N) and Ceramic (J) 300-mil DIPs
SN74AS244A 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 |
| SN74AS244AN | ACTIVE | 0 to 70 | 3.05 | 1ku | PDIP (N) | 20 | 20 | TUBE | SN74AS244AN |
| SN74AS244ANE4 | ACTIVE | 0 to 70 | 3.05 | 1ku | PDIP (N) | 20 | 20 | TUBE | SN74AS244AN |
SN74AS244A 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 |
| SN74AS244AN | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | SN74AS244AN | SN74AS244AN |
| SN74AS244ANE4 | Green (RoHS & no Sb/Br) | CU NIPDAU | N/A for Pkg Type | SN74AS244ANE4 | SN74AS244ANE4 |
SN74AS244A 应用技术支持与电子电路设计开发资源下载
- SN74AS244A 数据资料 dataSheet 下载.PDF
- TI 德州仪器缓冲器、驱动器/收发器产品选型与价格 . xls
- CMOS 非缓冲反向器在振荡器电路中的使用 (PDF 951 KB)
- Semiconductor Packing Methodology (PDF 3005 KB)
- 逻辑产品选择指南 2006/2007 （修订版 Z）(4462KB)
- 标准线性和逻辑产品 5 分钟指南 (786KB)
- 了解和解释标准逻辑数据表
- LOGIC Pocket Data Book (PDF 6001 KB)
- HiRel Unitrode Power Management Brochure (PDF 206 KB)
- Logic Cross-Reference (PDF 2938 KB)
