Click to expand full text
FEATURES
EPROM Technology for reprogramming High Speed – 25/35/45/55 ns (Commercial) – 25/35/45/55 ns (Military)
Low Power Operation: – 660 mW Commercial – 770 mW Military
Single 5V±10% Power Supply
PY263/PY264
8K x 8 REPROGRAMMABLE PROM
Windowed devices for reprogramming
Fully TTL Compatible Inputs and Outputs
Standard Pinout (JEDEC Approved) – 24-Pin 300 mil Windowed CERDIP (PY263) – 24-Pin 300 mil Non-Windowed Plastic DIP (PY263) – 24-Pin 600 mil Windowed CERDIP (PY264) – 24-Pin 600 mil Non-Windowed Plastic DIP (PY264)
DESCRIPTION
The PY263 and PY264 are 8Kx8 CMOS PROMs. The devices are available in windowed packages which when exposed to UV light, the memory content in the PROM is erased and can be reprogrammed.