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M274001-55XC6 Datasheet(Fiches technique) 5 Page - STMicroelectronics

Numéro de pièce M274001-55XC6
Description  4 Mbit (512Kb x 8) UV EPROM and OTP EPROM
Télécharger  24 Pages
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

M274001-55XC6 Datasheet(HTML) 5 Page - STMicroelectronics

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M27C4001
Summary description
5/25
1
Summary description
The M27C4001 is a 4 Mbit EPROM offered in the two ranges UV (ultra violet erase) and
OTP (one time programmable). It is ideally suited for microprocessor systems requiring
large programs and is organised as 524,288 by 8 bits.
The FDIP32W (window ceramic frit-seal package) has a transparent lid which allows the
user to expose the chip to ultraviolet light to erase the bit pattern. 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 M27C4001 is offered in PDIP32, PLCC32 and TSOP32 (8 x 20 mm) packages.
In order to meet environmental requirements, ST offers the M27C4001 in ECOPACK®
packages.
ECOPACK packages are Lead-free. The category of second Level Interconnect is marked
on the package and on the inner box label, in compliance with JEDEC Standard JESD97.
The maximum ratings related to soldering conditions are also marked on the inner box label.
ECOPACK is an ST trademark. ECOPACK specifications are available at: www.st.com.
Figure 1.
Logic Diagram
Table 1.
Signal names
A0-A18
Address Inputs
Q0-Q7
Data Outputs
E
Chip Enable
G
Output Enable
VPP
Program Supply
VCC
Supply Voltage
VSS
Ground
AI00721B
19
A0-A18
Q0-Q7
VPP
VCC
M27C4001
VSS
8
G
E
Obsolete
Product(s)
- Obsolete
Product(s)


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