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PDF ST1305B Data sheet ( Hoja de datos )
| Número de pieza | ST1305B | |
| Descripción | Memory Card IC 192 bit High Endurance EEPROM With Secure Logic Access Control | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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ST1305B
Memory Card IC 192 bit High Endurance EEPROM
With Secure Logic Access Control
DATA BRIEFING
s Single Supply Voltage (5 V)
s Memory Divided Into:
– 16 bits of Circuit Identification
– 48 bits of Card Identification
– 48 bits of Count Data
– 16 bits of Certificate
– 24 bits of Transport Code
– 64 bits of Issuer Data
s Counting Capability up to 262,144
s Circuit Protected by Transport Code for Delivery
from ST to the Customer
s 5 External Contacts Only (ISO 7816
Compatible)
s Answer to Reset (Fully Compatible with ISO
7816-3)
s E.S.D. Protection Greater Than 4000 V
s Power-On and Low VCC Reset
s 1 Million Erase/Write Cycles (minimum)
s 10 Year Data Retention (minimum)
s 5 ms Programming Time (typical)
DESCRIPTION
The ST1305B is a 192-bit EEPROM device with
associated security logic to control memory ac-
cess. The circuit includes counting capabilities
and thus is very well adapted to prepaid card ap-
plications.
The ST1305B is protected by hard-wired security
logic and special fuses. The memory is arranged
as a matrix of 24x8 cells, accessed in a serial bit-
Table 1. Signal Names
CLK
Clock
RST
Reset
I/O Serial Data Input/Output
VCC Supply Voltage
GND
Ground
Micromodule (D10)
Micromodule (D15)
Wafer
Figure 1. Logic Diagram
VCC
RST
CLK
ST1305B
I/O
GND
DS05B01
October 1999
Complete data available under NDA.
1/2
1 page | ||
| Páginas | Total 2 Páginas | |
| PDF Descargar | [ Datasheet ST1305B.PDF ] | |
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