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M27V256-100F6TR датащи(PDF) 1 Page - STMicroelectronics |
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M27V256-100F6TR датащи(HTML) 1 Page - STMicroelectronics |
1 / 15 page 1/15 May 1998 M27V256 256 Kbit (32Kb x 8) Low Voltage UV EPROM and OTP EPROM s LOW VOLTAGE READ OPERATION: 3V to 3.6V s FAST ACCESS TIME: 90ns s LOW POWER CONSUMPTION: – Active Current 10mA at 5MHz – Standby Current 10 µA s PROGRAMMING VOLTAGE: 12.75V ± 0.25V s PROGRAMMING TIME: 100 µs/byte (typical) s ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: 8Dh DESCRIPTION The M27V256 is a low voltage 256 Kbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems and is orga- nized as 32,768 by 8 bits. The M27V256 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 FDIP28W (window ceramic frit-seal package) has a 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 AI01908 15 A0-A14 Q0-Q7 VPP VCC M27V256 G E VSS 8 Table 1. Signal Names A0-A14 Address Inputs Q0-Q7 Data Outputs E Chip Enable G Output Enable VPP Program Supply VCC Supply Voltage VSS Ground 1 28 28 1 FDIP28W (F) PDIP28 (B) PLCC32 (K) TSOP28 (N) 8 x 13.4mm |
Аналогичный номер детали - M27V256-100F6TR |
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Аналогичное описание - M27V256-100F6TR |
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