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PY264-55WM Datasheet(PDF) 1 Page - Pyramid Semiconductor Corporation |
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PY264-55WM Datasheet(HTML) 1 Page - Pyramid Semiconductor Corporation |
1 / 8 page 1 Document # EPROM102 REV OR Revised July 2007 PY264 8K X 8 REPROGRAMMABLE PROM DESCRIPTION The PY264 is an 8Kx8 CMOS PROM. The device is available in windowed packages which when exposed to UV light, the memory content in the PROM is erased and can be reprogrammed. EPROM technology is used in the memory cells for programming. The EPROM re- quires a 12.5V for programming. Devices are tested to insure that performance of the device meets the DC and AC specification limits after customer programming. To perform a read operation from the device, CS is LOW. The memory contents in the address established by the Address pins (A 0 to A12) will become available on the outputs (O 0 to O7). The PY264 is available in 24-pin 600 mil Ceramic DIPs (Windowed) and Plastic DIPs (Non-Windowed). FUNCTIONAL BLOCK DIAGRAM PIN CONFIGURATION FEATURES EPROM Technology for reprogramming High Speed – 35/45/55 ns (Commercial) – 35/45/55 ns (Military) Low Power Operation: – 660 mW Commercial – 770 mW Military Single 5V±10% Power Supply Windowed devices for reprogramming Fully TTL Compatible Inputs and Outputs Standard Pinout (JEDEC Approved): – 24-Pin 600 mil Windowed CERDIP – 24-Pin 600 mil Non-Windowed Plastic DIP DIP (P8, WD2) Note: Window on WD2 package only |
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