Recommended dc operating conditions (continued) – Rainbow Electronics DS8314 User Manual
Page 6
DS8313/DS8314
Smart Card Interface
6
_______________________________________________________________________________________
RECOMMENDED DC OPERATING CONDITIONS (continued)
(V
DD
= +3.3V, V
DDA
= +5.0V, T
A
= +25°C, unless otherwise noted. All specifications apply to both the DS8313 and DS8314, unless
otherwise noted in the CONDITIONS column.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Low Current
I
IL_PRES
V
IL_PRES
= 0
5
μA
Input High Current
I
IH_PRES
V
IH_PRES
= V
DD
10
μA
TIMING
Activation Time
t
ACT
50 220 μs
Deactivation Time
t
DEACT
50 80 100 μs
Window Start
t
3
50 130
CLK to Card Start
Time
Window End
t
5
140
220
μs
PRES Debounce Time
t
DEBOUNCE
5
8
11
ms
Note 1: Operation guaranteed at -40°C and +85°C but not tested.
Note 2: I
DD_IC
measures the amount of current used by the DS8313 to provide the smart card current minus the load.
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
rise and fall time is 10ns.
Note 5: Parameter is guaranteed to meet all ISO 7816, GSM11-11, and EMV 2000 requirements. For the 1.8V card, the minimum
slew rate is 0.05V/µs and the maximum slew rate is 0.5V/µs.