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M27W202-150N6TR Datenblatt(PDF) 1 Page - STMicroelectronics |
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M27W202-150N6TR Datenblatt(HTML) 1 Page - STMicroelectronics |
1 / 15 page 1/15 April 2000 M27W202 2 Mbit (128Kb x16) Low Voltage UV EPROM and OTP EPROM s 2.7V to 3.6V SUPPLY VOLTAGE in READ OPERATION s ACCESS TIME: –80ns at VCC = 3.0V to 3.6V – 100ns at VCC = 2.7V to 3.6V s LOW POWER CONSUMPTION: – Active Current 20mA at 5MHz – Standby Current 15 µA s PIN COMPATIBLE with M27C202 s PROGRAMMING TIME: 100 µs/word s HIGH RELIABILITY CMOS TECHNOLOGY – 2,000V ESD Protection – 200mA Latchup Protection Immunity s ELECTRONIC SIGNATURE – Manufacturer Code: 0020h – Device Code: 001Ch DESCRIPTION The M27W202 is a low voltage 2 Mbit EPROM of- fered in the two range UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for microprocessor systems requiring large data or program storage and is organised as 131,072 by 16 bits. The M27W202 operates in the read mode with a supply voltage as low as 2.7V at –40 to 85 °C tem- perature range. The decrease in operating power allows either a reduction of the size of the battery or an increase in the time between battery re- charges. The FDIP40W (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. For application where the content is programmed only one time and erasure is not required, the M27W201 is offered in PDIP40, PLCC44 and TSOP40 (10 x 14 mm) packages. Figure 1. Logic Diagram AI02730 17 A0-A16 P Q0-Q15 VPP VCC M27W202 G E VSS 16 1 40 1 40 PDIP40 (B) PLCC44 (K) TSOP40 (N) 10 x 14 mm FDIP40W (F) |
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