2532 / 2532A EPROM

The TMS 2532 series (TMS 2532-30 JL, TMS 2532-35 JL, TMS 2532-45 JL, and TMS 25L32-45 JL} are 32,768-bit, ultraviolet-light-erasable, electrically programmable read-only memories. These devices are fabricated using N-channel silicon-gate technology for high speed and simple interface with MOS and bipolar circuits. All inputs (including program data inputs) can be driven by Series 74 TTL circuits without the use of external pull-up resistors, and each output can drive one Series 74 TTL circuit without external resistors. The data outputs are three-state for connecting multiple devices to a common bus. The TMS 2532 series are plug-in compatible with the TMS 4732 32K ROM. The devices are offered in a dual-in-line ceramic package (JL suffix) rated for operation from O°C to 70°C.

Since these EPROMs operate from a single +5 V supply (in the read mode}, they are ideal for use in microprocessor systems. One other (+25 V) supply is needed for programming but all programming signals are TTL level, requiring a single 50 ms pulse. For programming outside of the system, existing EPROM programmers can be used. Locations may be programmed singly, in blocks, or at random. Total programming time for all bits is 200 seconds.