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M27V801-150N1TR Datasheet(PDF) 1 Page - STMicroelectronics |
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M27V801-150N1TR Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 16 page 1/16 May 1998 M27V801 8 Mbit (1Mb x8) Low Voltage UV EPROM and OTP EPROM s LOW VOLTAGE READ OPERATION: 3V to 3.6V s FAST ACCESS TIME: 120ns s LOW POWER CONSUMPTION: – Active Current 15mA at 5MHz – Standby Current 20 µA s PROGRAMMING VOLTAGE: 12.75V ± 0.25V s PROGRAMMING TIME: 100 µs/byte (typical) s ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: 42h DESCRIPTION The M27V801 is a low voltage 8 Mbit EPROM of- fered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems requiring large data or program storage and is organized as 1,048,576 by 8 bits. The M27V801 operates in the read mode with a supply voltage as low as 3V. The decrease in op- erating power allows either a reduction of the size of the battery or an increase in the time between battery recharges. The FDIP32W (window ceramic frit-seal package) has transparent lid which allows the user to ex- pose the chip to ultraviolet light to erase the bit pat- tern. A new pattern can then be written to the device by following the programming procedure. Figure 1. Logic Diagram AI01902 20 A0-A19 Q0-Q7 VCC M27V801 VSS 8 GVPP E Table 1. Signal Names A0-A19 Address Inputs Q0-Q7 Data Outputs E Chip Enable GVPP Output Enable / Program Supply VCC Supply Voltage VSS Ground PLCC32 (K) TSOP32 (N) 8 x 20 mm 32 1 FDIP32W (F) PDIP32 (B) 1 32 |
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