General Description The A278308 chip is a high-performance 2,097,152 bit one-time programmable read only memory (OTP EPROM) organized as 256K by 8 bits. The A278308 requires only 5V power supply in normal read mode operation and any input signals are TTL levels. The A278308 is available in industry standard 32 pin dual-in-line and 32 pin PLCC packages. Features ■ 262,144 X 8 bit organization ■ Programming voltage: 12.75V ■ Access time: 70 ns (max.) ■ Current: Operating: 30mA (max.) at 5MHz Standby: 100mA (max.) ■ All inputs and outputs are directly TTL-compatible ■ Available in 32-pin DIP and 32-pin PLCC packages
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