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AT88SC1003 Datasheet

  • AT88SC1003

  • AT88SC1003 [Updated 8/03. 30 Pages] 1K EEPROM with Password ...

  • 336.16KB

  • 30頁

  • ETC

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Features
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Compatible with Many Existing Memory Card Applications
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1-Kbit EEPROM User Memory
鈥?Two 256 x 1 Application Zones
鈥?One 512 x 1 Application Zone
鈥?Protected by Security Logic
鈥?Vpp Internally Generated for Single Voltage Operation
鈥?2 碌s Read Access Time
鈥?2 ms Write Cycle (Self-timed)
Additional EEPROM Memory for Code Storage
鈥?Three OTP Areas, 144 Bits Total
鈥?64-bit Code-protected Zone
Security Features
鈥?Stores and Validates Security Codes
鈥?Maximum of Four Incorrect Security Code Attempts
鈥?Provides Security Code Protection During Transportation
High Reliability
鈥?Endurance: 100,000 Cycles
鈥?Data Retention: 10 Years
鈥?ESD Protection: 4,000V Minimum
Manufactured Using Low-power CMOS Technology
ISO 7816-compliant Card Modules
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1K EEPROM鈥?/div>
Security Logic
with Three
Application
Zones
AT88SC1003
Description
The AT88SC1003 is a low-cost synchronous integrated circuit, designed for use in
prepaid and loyalty smart card applications. The AT88SC1003 provides 1024 bits of
serial EEPROM (Electrically Erasable and Programmable Read Only Memory) within
three application zones, plus 64 bits in a code-protected zone. Security logic provides
access protection through use of a 16-bit security code.
Additional EEPROM memory is available to hold unalterable information about the
card history. Separate zones are available for data written by the card manufacturer
and card issuer. After personalization of the memory by the issuer, an internal fuse is
blown that secures critical memory areas of the device and configures the IC for use
by the end customer. The action of blowing this fuse is irreversible. The AT88SC1003
is manufactured using low-power CMOS technology. EEPROM programming func-
tions are accomplished using an internally generated high-voltage pump for single
voltage supply operation. Program timing is controlled internally. Memory endurance
is guaranteed to 100,000 erase/write cycles. Ten-year data retention is guaranteed.
Table 1.
Pin Configuration
Pad
VCC
GND
CLK
I/O
RST
PGM
FUS
Description
Supply Voltage
Ground
Serial Clock Input
Serial Data Input/Output
Reset Input
Program Input
Fuse Input
ISO Module Contact
C1
C5
C3
C7
C2
C8
C4
2035B鈥揝MEM鈥?8/03
1

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