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M27V400-100XF6TR Fiches technique(PDF) 1 Page - STMicroelectronics |
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M27V400-100XF6TR Fiches technique(HTML) 1 Page - STMicroelectronics |
1 / 14 page 1/14 NOT FOR NEW DESIGN July 2000 This is information on a product still in production but not recommended for new designs. M27V400 4 Mbit (512Kb x8 or 256Kb x16) UV EPROM and OTP EPROM s M27V400 is replaced by the M27W400 s 3V to 3.6V LOW VOLTAGE in READ OPERATION s ACCESS TIME: 100ns s BYTE-WIDE or WORD-WIDE CONFIGURABLE s 4 Mbit MASK ROM REPLACEMENT s LOW POWER CONSUMPTION – Active Current 30mA at 8MHz – Stand-by Current 20µA s PROGRAMMING VOLTAGE: 12.5V ± 0.25V s PROGRAMMING TIME: 50µs/word s ELECTRONIC SIGNATURE – Manufacturer Code: 20h – Device Code: B8h DESCRIPTION The M27V400 is an 4 Mbit EPROM offered in the two ranges UV (ultra violet erase) and OTP (one time programmable). It is ideally suited for micro- processor systems requiring large data or program storage. It is organised as either 512 Kwords of 8 bit or 256 Kwords of 16 bit. The pin-out is compat- ible with the most common 4 Mbit Mask ROM. 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 rapidly to the de- vice by following the programming procedure. For applications where the content is programmed only one time and erasure is not required, the M27V400 is offered in PDIP40 package. 1 40 1 40 FDIP40W (F) PDIP40 (B) Figure 1. Logic Diagram AI01634 18 A0-A17 BYTEVPP Q0-Q14 VCC M27C400 G E VSS 15 Q15A–1 |
Numéro de pièce similaire - M27V400-100XF6TR |
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Description similaire - M27V400-100XF6TR |
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