Product Overview
AM27S21 Programmable Read-Only Memory (PROM) IC
What it is:
An AM27S21 bipolar PROM (Programmable Read-Only Memory) used for storing fixed data or lookup tables.
What it’s used for:
Common in vintage computing, embedded systems, microprocessor support circuits, and address decoding applications.
Key Features:
- Fast access time, non-volatile storage, reliable fixed data storage
Applications:
- Firmware storage, lookup tables, microcontroller support, legacy systems
Technical Specifications:
| Brand | AMD (Advanced Micro Devices) |
| Part Number | AM27S21 |
| Package Type | DIP (Dual Inline Package) |
| Pin Count | 16-pin |
| Mounting Type | Through-hole |
| Technology | Bipolar (fuse-based PROM) |
| Weight | ~0.1 oz per unit |
