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M27W402-100F6TR 数据表(PDF) 1 Page - STMicroelectronics |
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M27W402-100F6TR 数据表(HTML) 1 Page - STMicroelectronics |
1 / 15 page 1/15 March 2000 M27W402 4 Mbit (256Kb 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 PIN COMPATIBLE with M27C4002 s LOW POWER CONSUMPTION: –15 µA max Standby Current – 15mA max Active Current at 5MHz 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: 0044h DESCRIPTION The M27W402 is a low voltage 4 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 262,144 by 16 bits. The M27W402 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 lids which allow 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 applications where the content is programmed only one time and erasure is not required, the M27W402 is offered in PDIP40, PLCC44 and TSOP40 (10 x 20 mm) packages. Figure 1. Logic Diagram AI01863 18 A0-A17 Q0-Q15 VPP VCC M27W402 VSS 16 G E 1 40 1 40 FDIP40W (F) PDIP40 (B) PLCC44 (K) TSOP40 (N) 10 x 20 mm |
类似零件编号 - M27W402-100F6TR |
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类似说明 - M27W402-100F6TR |
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