DS8005 Maxim, DS8005 Datasheet - Page 3

• 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

RECOMMENDED DC OPERATING CONDITIONS (continued)
(V
the CONDITIONS column.) (Note 1)
CLOCK SOURCE
Crystal Frequency
XTAL1 Operating Conditions
External Capacitance for Crystal
Internal Oscillator
SHUTDOWN TEMPERATURE
Shutdown Temperature
RSTA AND RSTB PINS
Card-Inactive Mode
Card-Active Mode
CLKA AND CLKB PINS
Card-Inactive Mode
Card-Active Mode
V
Card-Inactive Mode
DD
CCA
= +3.3V, V
AND V
CCB
PARAMETER
DDA
PINS
_______________________________________________________________________________________
= +5.0V, T
Output Low Voltage
Output Current
Output Low Voltage
Output High
Voltage
Rise Time
Fall Time
Current Limitation
RSTIN to RST Delay
Output Low Voltage
Output Current
Output Low Voltage
Output High
Voltage
Rise Time
Fall Time
Current Limitation
Clock Frequency
Duty Factor
Slew Rate
Output Low Voltage
Output Current
A
= +25°C, unless otherwise noted. All specifications apply to the device, unless otherwise noted in
t
D(RSTIN-RST)
I
I
SYMBOL
V
V
V
V
V
V
V
V
RST(LIMIT)
CLK(LIMIT)
I
I
C
OL_RST1
OL_CLK1
C
IH_XTAL1
OH_RST2
OH_CLK2
IL_XTAL1
OL_RST1
OL_RST2
t
OL_CLK1
OL_CLK2
t
f
t
t
f
R_RST
R_CLK
XTAL1
F_RST
F_CLK
V
XTAL1
f
I
XTAL
XTAL2
T
f
CLK
SR
CC1
INT
CC1
SD
,
External crystal (Note 1)
(Note 1)
Low-level input on XTAL1
High-level input on XTAL1
I
V
I
I
C
C
I
V
I
I
C
C
Operational
C
C
I
V
OL_RST
OL_RST
OH_RST
OLCLK
OLCLK
OHCLK
CC
CC
OL_RST
OLCLK
L
L
L
L
L
L
= 30pF (Note 1)
= 30pF (Note 1)
= 30pF (Notes 1, 4)
= 30pF (Notes 1, 4)
= 30pF
= 30pF (Note 1)
= 1mA
= 0V
= 1mA
= 200μA
= -200μA
= 0V
= 1mA
= 200μA
= -200μA
= 0V
CONDITIONS
Smart Card Interface
V
V
0.7 x
MIN
-0.3
V
2.2
0.5
-20
0.5
-75
0.2
CC
CC
45
0
0
DD
0
0
-
-
+150
TYP
2.7
V
MAX
0.3 x
+20
+75
V
DD
0.3
3.4
0.3
0.3
0.1
0.1
0.3
0.3
0.3
20
20
15
10
55
-1
-1
-1
DD
2
8
8
+
UNITS
MHz
MHz
MHz
MHz
V/ns
mA
mA
mA
mA
mA
pF
°C
μs
μs
μs
ns
ns
%
V
V
V
V
V
V
V
V
3