DS8005 Maxim, DS8005 Datasheet - Page 14

• Manufacturer Part Number: DS8005
• Description: The DS8005 dual smart card interface is a low-cost, dual analog front-end for an IC card reader interface that needs to communicate with two smart cards in a mutually exclusive fashion
• Manufacturer: Maxim

Smart Card Interface
Figure 6. Behavior of PRES_, OFF_, CMDVCC, and V
Figure 7. Emergency Deactivation Sequence (Card Extraction)
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______________________________________________________________________________________
CMDVCC
PRES_
CLK_
PRES_
OFF_
RST_
V
I/O_
OFF_
CC_
V
CC_
DEBOUNCE
t
10
BY CARD WITHDRAWAL
DEACTIVATION CAUSED
t
12
CC_
t
DE
t
13
t
14
DEBOUNCE
t
15
DEACTIVATION CAUSED
BY SHORT CIRCUIT