NEC D8257C-2 Integrated Chip
프로그래머블 DMA 컨트롤러 NEC D8257C-2 프로그래머블 DMA 컨트롤러 IC로, 4채널 직접 메모리 접근, 5MHz 작동 주파수 및 40핀 플라스틱 패키지를 갖추었으며, 마이크로프로세서 기반 시스템 및 임베디드 전자 장치용으로 설계되었습니다.
NEC D8257C-2 Programmable DMA Controller
The NEC D8257C-2 is a reliable programmable Direct Memory Access (DMA) controller integrated circuit designed to efficiently manage data transfer between memory and peripheral devices without continuous CPU intervention. This controller improves system performance and data throughput in microprocessor-based systems and embedded applications.
Manufacturer: NEC
Type: Integrated Chip / Programmable DMA Controller
Model: D8257C-2
Part No.: 8541E8
Features
Four-Channel DMA Controller
Priority DMA Request Logic
Channel Inhibit Logic
Terminal Count and Modulo 128 Outputs
Automatic Load Mode
Single TTL Clock
Single +5 V ±10% Power Supply
Expandable Architecture
Available in Extended Temperature Range
| No. of Pins | 40-pin |
| Material | Plastic |
| Operation Frequency | 5 MHz |
| Recommendation | Ideal for upgrading or maintaining microprocessor-based control systems, embedded devices, and industrial electronic equipment requiring efficient high-speed memory data transfer. |
