SN74ACT7881 1024 x 18 同步 FIFO 存储器
A FIFO memory is a storage device that allows data to be written into and read from its array at independent data rates. The SN74ACT7881 is organized as 1024 × 18 bits. The SN74ACT7881 processes data at rates up to 67 MHz and access times of 11 ns in a bit-parallel format. Data outputs are noninverting with respect to the data inputs. Expansion is accomplished easily in both word width and word depth.
The SN74ACT7881 has normal input-bus to output-bus asynchronous operation. The special enable circuitry adds the ability to synchronize independent reads and writes to their respective system clocks.
The SN74ACT7881 is characterized for operation from 0°C to 70°C
| SN74ACT7881 | |
| Depth | 1024 |
| Width | 18 |
| Fmax(MHz) | 67 |
| Sync/Async | S |
| Voltage Nodes(V) | 5 |
| Vcc range(V) | 4.5 to 5.5 |
| Technology Family | ACT |
| Output Drive(mA) | -8/16 |
| Rating | Catalog |
SN74ACT7881 特性
- Member of the Texas Instruments WidebusTM Family
- Independent Asynchronous Inputs and Outputs
- Read and Write Operations Can Be Synchronized to Independent System Clocks
- Programmable Almost-Full/Almost-Empty Flag
- Pin-to-Pin Compatible With SN74ACT7882, SN74ACT7884, and SN74ACT7811
- Input-Ready, Output-Ready, and Half-Full Flags
- Expandable in Word Width and/or Word Depth
- Fast Access Times of 11ns With a 50-pF Load
- High Output Drive for Direct Bus Interface
- Package Options Include 68-Pin Plastic Leaded Chip Carrrier (FN) or 80-Pin Shrink Quad Flat (PN) Package
SN74ACT7881 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 |
| 1M7881-20PNG4 | ACTIVE | 0 to 70 | 15.80 | 1ku | LQFP (PN) | 80 | 119 | JEDEC TRAY (10+1) | |
| SN74ACT7881-15FN | ACTIVE | 0 to 70 | 15.80 | 1ku | PLCC (FN) | 68 | 18 | TUBE | |
| SN74ACT7881-15PN | ACTIVE | 0 to 70 | 15.80 | 1ku | LQFP (PN) | 80 | 119 | JEDEC TRAY (10+1) | |
| SN74ACT7881-20FN | ACTIVE | 0 to 70 | 15.80 | 1ku | PLCC (FN) | 68 | 18 | TUBE | |
| SN74ACT7881-20PN | ACTIVE | 0 to 70 | 15.80 | 1ku | LQFP (PN) | 80 | 119 | JEDEC TRAY (10+1) | |
| SN74ACT7881-30PN | ACTIVE | 0 to 70 | 13.61 | 1ku | LQFP (PN) | 80 | 119 | JEDEC TRAY (10+1) |
SN74ACT7881 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 |
| 1M7881-20PNG4 | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | 1M7881-20PNG4 | 1M7881-20PNG4 |
| SN74ACT7881-15FN | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | SN74ACT7881-15FN | SN74ACT7881-15FN |
| SN74ACT7881-15PN | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | SN74ACT7881-15PN | SN74ACT7881-15PN |
| SN74ACT7881-20FN | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | SN74ACT7881-20FN | SN74ACT7881-20FN |
| SN74ACT7881-20PN | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | SN74ACT7881-20PN | SN74ACT7881-20PN |
| SN74ACT7881-30PN | Green (RoHS & no Sb/Br) | CU NIPDAU | Level-3-260C-168 HR | SN74ACT7881-30PN | SN74ACT7881-30PN |
SN74ACT7881 应用技术支持与电子电路设计开发资源下载
- SN74ACT7881 数据资料 dataSheet 下载.PDF
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