LTC1955EUH#PBF Linear Technology, LTC1955EUH#PBF Datasheet - Page 18
LTC1955EUH#PBF
Manufacturer Part Number
LTC1955EUH#PBF
Description
IC INTERFACE DL SMART CARD 32QFN
Manufacturer
Linear Technology
Datasheet
1.LTC1955EUHPBF.pdf
(20 pages)
Specifications of LTC1955EUH#PBF
Controller Type
Smart Card Interface
Interface
4-Wire Serial
Voltage - Supply
1.7 V ~ 5.5 V
Current - Supply
10µA
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
32-QFN
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
APPLICATIONS INFORMATION
LTC1955
18
INTERFACE
INTERFACE
COMMAND
POWER
4-WIRE
4-WIRE
FAULT
INPUT
CARD
Figure 6. Multiple LTC1955s Daisychained Together
4.7μF
4.7μF
4.7μF
12, 13
12, 13
12, 13
9, 10
9, 10
9, 10
23
24
27
28
26
25
29
30
32
31
23
24
27
28
26
25
29
30
32
31
23
24
27
28
26
25
29
30
32
31
1
1
1
V
GND
DV
UNDERV
FAULT
D
D
SCLK
LD
DATA
R
SYNC
ASYNC
V
GND
DV
UNDERV
FAULT
D
D
SCLK
LD
DATA
R
SYNC
ASYNC
V
GND
DV
UNDERV
FAULT
D
D
SCLK
LD
DATA
R
SYNC
ASYNC
BATT
BATT
BATT
IN
OUT
IN
IN
OUT
IN
IN
OUT
IN
CC
CC
CC
C
C
C
–
–
–
11
11
11
1μF
1μF
1μF
C
C
C
+
+
+
LTC1955
LTC1955
LTC1955
14
14
14
PRES B
PRES B
PRES B
21
21
21
PRES A
PRES A
PRES A
CPO
CPO
CPO
2
2
2
15
15
15
4.7μF
4.7μF
4.7μF
VENDOR CARD
VENDOR CARD
VENDOR CARD
VENDOR CARD
SMART CARD
SMART CARD
1955 F07
1955fb