NEC D8257C-2 Integrated Chip
प्रोग्रामेबल DMA नियंत्रक NEC D8257C-2 प्रोग्रामेबल DMA नियंत्रक IC जिसमें चार-चैनल डायरेक्ट मेमोरी एक्सेस, 5 MHz संचालन आवृत्ति, और 40-पिन प्लास्टिक पैकेज है, जो माइक्रोप्रोसेसर-आधारित सिस्टम और एम्बेडेड इलेक्ट्रॉनिक्स के लिए डिज़ाइन किया गया है।
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. |
