DS8005 Maxim, DS8005 Datasheet - Page 6

• 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
RECOMMENDED DC OPERATING CONDITIONS (continued)
(V
the CONDITIONS column.) (Note 1)
Note 1: Operation guaranteed at -40°C and +85°C but not tested.
Note 2: I
Note 3: Stop mode is enabled by setting CMDVCC, 5V/3V, and 1_8V to a logic-high.
Note 4: Parameters are guaranteed to meet all ISO 7816, GSM11-11, and EMV 2000 requirements. For the 1.8V card, the maximum
Note 5: Parameter is guaranteed to meet all ISO 7816, GSM11-11, and EMV 2000 requirements. For the 1.8V card, the minimum
6
TIMING
Activation Time
Deactivation Time
CLK_ to Card Start
Time
PRES Debounce Time
DD
_______________________________________________________________________________________
= +3.3V, V
rise and fall time is 10ns.
slew rate is 0.05V/µs and the maximum slew rate is 0.5V/µs.
DD_IC
PARAMETER
measures the amount of current used by the device to provide the smart card current minus the load.
DDA
= +5.0V, T
Window Start
Window End
A
= +25°C, unless otherwise noted. All specifications apply to the device, unless otherwise noted in
t
DEBOUNCE
SYMBOL
t
DEACT
t
ACT
t
t
3
5
CONDITIONS
MIN
140
50
50
50
5
TYP
160
160
80
95
8
MAX
220
100
130
220
11
UNITS
ms
μs
μs
μs