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Panasonic Electronic Components Datasheet

MN63151 Datasheet

EEPROM

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MN63151 pdf
IC Card EEPROMs
MN63151
EEPROM for IC Cards
Overview
The MN63151 is an EEPROM for use in IC cards. It
features security features and an address specification
system using opcode input.
Low cost combined with high security makes the chips
ideal for use in prepaid cards and other types of IC cards.
Features
Easy-to-use control system
• Address specification system using opcode input
over a 3-wire interface (CLK, I/O, and RST)
• Automatic erasing and writing using a single 5 volt
power supply
Flexible memory-layout
The memory is divided into 11 areas. Six areas con-
taining 116 bytes are freely available.
Advanced security features
• Verification of IC card authenticity
The IC passes entered data through a random num-
ber generator circuit on its way to output to provide
a check of card validity.
• Protection against malicious experimentation
Four or more unsuccessful attempts to access the
IC card render it permanently unusable.
• Protection of individual memory areas on the card
Read or write access to a memory area requires
matches for both security and condition codes. There
is also a condition code for permanently disabling
re-writes.
• Mixed configuration of EPROM and EEPROM
Individual areas consist of EPROM or EEPROM.
High reliability
• Write cycles: 10,000 times
• Data storage interval: 10 years
Applications
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Pad Assignment
GND
1
I/O 2
5 VDD
4 RST
3 CLK
(TOP VIEW)
Note: This product is sold as wafers.
1


Panasonic Electronic Components Datasheet

MN63151 Datasheet

EEPROM

No Preview Available !

MN63151 pdf
MN63151
Block Diagram
IC Card EEPROMs
1
GND
Memory (64 × 16)
Address
decoder
5
VDD
3
CLK
Data register
Random number
generator
Mode decode-logic
Data I/O
buffer
2
I/O
4
RST
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Part Number MN63151
Description EEPROM
Maker Panasonic Semiconductor
Total Page 4 Pages
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