L6605D 查看數據表（PDF） - STMicroelectronics

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L6605D

SMART CARD INTERFACE

STMicroelectronics 

L6605

8 DIFFERENT VPP OUTPUT VOLTAGE

LEVELS

VPP, VCS 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

SMART CARD INTERFACE

ADVANCE DATA

MULTIPOWER BCD TECHNOLOGY

Powerdip 12+3+3

SO 12+4+4

ORDERING NUMBERS:

L6605

L6605D

supply the card and VPP/50mA to write the mem-

ory inside the card; the VPP voltage can be pro-

grammed by means of the 3 serial input bit (see

TAB, 1).

Table 1: 3 bit DAC CODE

CODE

000

001

010

011

100

101

110

111

VPP

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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