OTP ROM, 256X4, 60NS, TTL
| Acme Chip Technology Co., Limited | Lingto Electronic Limited | Quarktwin Technology Ltd. | |
|---|---|---|---|
| Product Category | Memory Chips | Memory Chips | Memory Chips |
| Product Number | 27S21ADM/B | 27S21ADM/B | 27S21ADM/B |
| Product Name | Integrated Circuits (ICs) - Memory - Memory | Memory | Memory |