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參數(shù)資料
| 型號： | PCF2042V |
| 元件分類： | DRAM |
| 英文描述： | EEPROM |
| 中文描述： | EEPROM的 |
| 文件頁數(shù)： | 3/22頁 |
| 文件大?。?/td> | 264K |
| 代理商： | PCF2042V |
1997 Feb 03
3
Philips Semiconductors
Product Specification
Memory card IC
PCF2042 V2
1
FEATURES
Memory size of 256 x 8-bit EEPROM
Byte-wise addressing of information
Irreversible byte-wise write protection of 32 bytes of
main memory
Two-wire link protocol
Answer to RESET according to ISO 7816-3
Programming time per byte 2.5 ms for erasing and 2.5
ms for writing
Minimum of 10
5
erase/write cycles
Data retention 10 years (min)
Contact configuration and serial interface according to
ISO 7816 (synchronous transmission)
CMOS technology
Data can only be changed after entry of the correct
24-bit verification data for the programmable security
code (Security Memory)
5 kV ESD-protection (Human Body model)
FabKey procedure
2
GENERAL DESCRIPTION
The PCF2042 contains a 256 x 8-bit EEPROM with
programmable write protection for each of the first 32
bytes. Reading of the whole memory is always possible.
The memory can be written and erased byte by byte.
Each of the first 32 bytes can be write/erase protected by
setting a Protection bit (EEPROM converted to ROM). If
set once, the Protection bit cannot be erased.
Additionally, the PCF2042 allows for a verification
procedure. The whole memory, excluding the Reference
Data, can be read always. The memory can be written or
erased only after a successful comparison of the
verification data.
After three successive incorrect entries an internal error
counter will block any subsequent attempt to compare the
verification data, and hence blocks any possibility to write
and erase.
3
For details contact your local Philips Organisation.
ORDERING INFORMATION
Notes
1.
2.
See “Wafer Specifications for Chip Card ICs”.
See “Module Specifications for Chip Card ICs”.
TYPE NUMBER
PACKAGE
TEMPERATURE
RANGE (
°
C)
NAME
DESCRIPTION
PCF2042 U
PCF2042 V
PCF2042 W
wafer
module
FFC
5” wafer, unsawn; note 1
6- or 8-contact Modules on 35 mm film; note 2
sawn wafer on film frame carrier 6” or 7”; note 1
-40 to +85
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