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    | Partname: | AT27C400-70PC |  
    | Description: | 4-Megabit (256K x 16 or 512K x 8 ) OTP EPROM, 40mA active, 0.1mA standby |     
    | Manufacturer: | Atmel Corporation |  
    | Package: | plastic PDIP |  
    | Pins: | 40 |  
    | Oper. temp.: | 0 to 70 |  
    | Datasheet: | PDF (184K). Click here to download *) |  
    The AT27C400 is a low-power, high-performance 4,194,304-bit one-time programmable read only memory (OTP EPROM) organized as either 256K by 16 or 512K by 8 bits. It requires a single 5V power supply in normal read mode operation. Any word can be accessed in less than 70 ns, eliminating the need for speed-reducing WAIT states. The by-16 organization makes this part ideal for high-performance 16- and 32bit microprocessor systems. PDIP Top View  |  
    
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    Click here to download AT27C400-70PC Datasheet*) | 
  
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