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L6605D Datasheet

  • L6605D

  • SMART CARD INTERFACE

  • 10頁

  • STMICROELECTRONICS   STMICROELECTRONICS

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L6605
SMART CARD INTERFACE
ADVANCE DATA
8 DIFFERENT VPP OUTPUT VOLTAGE
LEVELS
V
PP
, V
CS
RISE AND FALL TIME FULL SPEC
WITH ISO/IEC 7816-3
POWER SUPPLY OUTPUT FOR MEMORY
CARD (5V/80mA)
POWER ON/OFF RESET
AUTOMATIC SWITCH-OFF OF ALL FUNCTIONS
IF THE REGULAR OPERATION IS ABORTED
BY EXTRACTING THE SMART CARD
INTERNAL STATUS FAILURE CODING
- INSERTION FAILURE CODE
- OVERTEMPERATURE FAILURE
ANTI-BOUNCING SYSTEM
INPUT/OUTPUT LOGIC TTL COMPATIBLE
THERMAL PROTECTION
DESCRIPTION
The L6605 is an IC dedicated as intelligent inter-
face between different types of smart cards and
microprocessors. The internal architecture can be
shared in a power supply section and in a diag-
nostic parts.
The power supply section can deliver 5V/80mA to
BLOCK DIAGRAM
MULTIPOWER BCD TECHNOLOGY
Powerdip 12+3+3
SO 12+4+4
ORDERING NUMBERS:
L6605
L6605D
supply the card and V
PP
/50mA to write the mem-
ory inside the card; the V
PP
voltage can be pro-
grammed by means of the 3 serial input bit (see
TAB, 1).
Table 1:
3 bit DAC CODE
CODE
0
0
0
0
1
1
1
1
00
01
10
11
00
01
10
11
V
PP
5V
10V
12.5V
13.5V
15V
18V
21V
25V
December 1992
1/10
This is advanced information on a new product now in development or undergoing evaluation. Details are subject to change without notice.

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