DS8007A Maxim, DS8007A Datasheet - Page 3

• Manufacturer Part Number: DS8007A
• Description: The DS8007A multiprotocol dual smart card interface is an automotive grade, low-cost, dual smart card reader interface supporting all ISO 7816, EMV™, and GSM11-11 requirements
• Manufacturer: Maxim

ELECTRICAL CHARACTERISTICS (continued)
(V
Alarm Pulse Width
External Clock Frequency
Internal Oscillator
Voltage on V
Voltage Detection of V
3x Step-Up
Shutdown Temperature
CLKx
RSTx
Pins
Pins
DD
= +3.3V, V
Card
Inactive
Mode
Card
Active
Mode
Card
Inactive
Mode
Card
Active
Mode
Clock Frequency
Duty Factor
PARAMETER
UP
DDA
Pin
Output Low
Voltage
Output Current
Output Low
Voltage
Output High
Voltage
Rise Time
Fall Time
Shutdown
Current
Current
Limitation
Output Low
Voltage
Output Current
Output Low
Voltage
Output High
Voltage
Rise Time
Fall Time
Current
Limitation
= +3.3V, T
_______________________________________________________________________________________
Multiprotocol Dual Smart Card Interface
DDA
for 2x,
A
= +25°C, unless otherwise noted.) (Note 1)
I
I
SYMBOL
V
RST(LIMIT)
CLK(LIMIT)
V
I
V
V
V
V
I
RST(SD)
I
OHRSTH
OLRST
OLRSTL
t
OLCLK
t
f
t
t
V
OHCLK
OLRST
OLCLK
OLCLK
RRST
RCLK
f
XTAL
V
T
FRST
FCLK
f
CLK
t
INT
DET
W
UP
SD
C
External crystal
External oscillator
3x step-up
2x step-up
I
V
I
I
C
C
I
V
I
I
C
C
Idle configuration (1MHz)
Operational
C
OLRST
OLRST
OHRST
OLCLK
OLCLK
OHCLK
OLRST
OLCLK
DELAY
L
L
L
L
L
= 30pF
= 30pF
= 30pF (Note 2)
= 30pF (Note 2)
= 30pF
= 1mA
= +200μA
= 1mA
= +200μA
= -200μA
= -200μA
= 0V
= 0V
= 22nF
CONDITIONS
V
V
3.25
MIN
CCx
CCx
1.6
0.5
-30
0.5
-90
45
4
0
0
0
0
0
0
0
1
0
–
–
+150
TYP
3.50
2.5
5.7
4.1
-25
10
MAX
V
V
3.60
1.85
+30
+90
3.7
0.3
0.3
0.1
0.1
0.3
0.3
20
20
10
55
CCx
CCx
-1
-1
8
8
UNITS
MHz
MHz
MHz
mA
mA
mA
mA
ms
°C
μs
ns
%
V
V
V
V
V
V
3