LTC1955EUH#PBF Linear Technology, LTC1955EUH#PBF Datasheet - Page 8
![IC INTERFACE DL SMART CARD 32QFN](/photos/6/59/65962/161-32-qfn_sml.jpg)
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
LTC1955
BLOCK DIAGRAM
8
COMMUNICATIONS
COMMAND/STATUS
SERIAL PORT
SOCKET B
SMART
SMART
CARD
CARD
DATA
PRES B
ASYNC
CLK B
RST B
DATA
SYNC
SCLK
D
V
I/O B
OUT
CCB
R
D
LD
IN
IN
18
31
28
17
20
19
21
29
32
30
27
26
25
LDO B
COMMAND LATCH
SHIFT REGISTER
STATUS DATA
C
14
CONTROL
CONTROL
+
CHARGE
CLOCK
LOGIC
RESET
LOGIC
PUMP
C
11
–
CHARGE PUMP
PGND
10
SV
12
BATT
LDO A
PV
–
+
13
BATT
1.23V
CPO
15
+
–
22
24
23
8
5
4
3
7
6
2
9
1
1955 BD
V
I/O A
C4A
C8A
CLK A
RST A
PRES A
NC/NO
FAULT
SGND
DV
UNDERV
CCA
CC
DIGITAL
SUPPLY
SMART
CARD
SOCKET A
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