NEC D8257C-2 Integrated Chip
Contrôleur DMA programmable NEC D8257C-2 contrôleur DMA programmable IC à quatre canaux d'accès direct à la mémoire, fréquence de fonctionnement de 5 MHz, et boîtier plastique à 40 broches, conçu pour les systèmes à microprocesseur et l'électronique embarquée.
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. |
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