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M27C322-80F6 fiches techniques PDF

STMicroelectronics - 32 Mbit 2Mb x16 UV EPROM and OTP EPROM

Numéro de référence M27C322-80F6
Description 32 Mbit 2Mb x16 UV EPROM and OTP EPROM
Fabricant STMicroelectronics 
Logo STMicroelectronics 





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M27C322-80F6 fiche technique
M27C322
32 Mbit (2Mb x16) UV EPROM and OTP EPROM
s 5V ± 10% SUPPLY VOLTAGE in READ
OPERATION
s ACCESS TIME: 80ns
s WORD-WIDE CONFIGURABLE
s 32 Mbit MASK ROM REPLACEMENT
s LOW POWER CONSUMPTION
– Active Current 50mA at 5MHz
– Stand-by Current 100µA
s PROGRAMMING VOLTAGE: 12V ± 0.25V
s PROGRAMMING TIME: 50µs/word
s ELECTRONIC SIGNATURE
– Manufacturer Code: 0020h
– Device Code: 0034h
DESCRIPTION
The M27C322 is a 32 Mbit EPROM offered in the
UV range (ultra violet erase). It is ideally suited for
microprocessor systems requiring 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
M27C322 is offered in PDIP42 package.
42
1
FDIP42W (F)
42
1
PDIP42 (P)
Figure 1. Logic Diagram
VCC
21
A0-A20
16
Q0-Q15
E
GVPP
M27C322
VSS
AI02156
April 2000
1/13

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