The TMS27C020 series are 262144 by 8-bit (2097152-bit), ultraviolet (UV) light erasable, electrically programmable read-only memories (EPROMs). The TMS27PC020 series are one-time programmable (OTP) electrically programmable read-only memories (PROMs). The product has a storage capacity of 262144 by 8 bits, suitable for microprocessor-based systems, and features high-speed SNAP! pulse programming and power saving CMOS technology.
The document details two types of memory devices: the TMS27C020 series, which are ultraviolet (UV) light erasable electrically programmable read-only memories (EPROMs), and the TMS27PC020 series, which are one-time programmable (OTP) PROMs. Both devices feature a 262144 by 8-bit configuration and utilize power-saving CMOS technology for high-speed operation with simple interfaces to MOS and bipolar circuits.
| Memory Capacity | 262144 by 8 bits (2097152-bit) |
|---|---|
| Technology | CMOS |
| Operating Voltage | 5 V (Read Mode) |
| Programming Voltage | 13 V |
| Signature Code (Manufacturer) | 97 Hex |
The recommended minimum exposure dose is 15-W-s/cm².
Yes, all inputs can be driven by Series 74 TTL circuits without external pullup resistors.