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M27V322-120XF1 Scheda tecnica(PDF) 1 Page - STMicroelectronics |
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M27V322-120XF1 Scheda tecnica(HTML) 1 Page - STMicroelectronics |
1 / 13 page 1/13 March 2000 M27V322 32 Mbit (2Mb x16) Low Voltage UV EPROM and OTP EPROM s 3.3V ± 10% SUPPLY VOLTAGE in READ OPERATION s READ ACCESS TIME – 100ns at VCC = 3.0V to 3.6V s PIN COMPATIBLE WITH M27C322 s WORD-WIDE CONFIGURABLE s 32 Mbit MASK ROM REPLACEMENT s LOW POWER CONSUMPTION – Active Current 30mA at 5MHz – Stand-by Current 60µA s PROGRAMMING VOLTAGE: 12V ± 0.25V s PROGRAMMING TIME: 50µs/word s ELECTRONIC SIGNATURE – Manufacturer Code: 0020h – Device Code: 0034h DESCRIPTION The M27V322 is a 32 Mbit EPROM offered in the UV range (ultra violet erase) and OTP range. It is ideally suited for microprocessor systems requir- ing large data or program storage. It is organised as 2 MWords of 16 bit. The pin-out is compatible with a 32 Mbit Mask ROM. The FDIP42W (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 rapidly to the device by following the programming proce- dure. For applications where the content is programmed only one time and erasure is not required, the M27V322 is offered in PDIP42 package. 1 42 1 42 FDIP42W (F) PDIP42 (P) Figure 1. Logic Diagram AI03050 21 A0-A20 GVPP Q0-Q15 VCC M27V322 E VSS 16 |
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