參數(shù)資料
型號: LTC1755EGN
廠商: LINEAR TECHNOLOGY CORP
元件分類: 其它接口
英文描述: Smart Card Interface
中文描述: SPECIALTY INTERFACE CIRCUIT, PDSO24
封裝: 0.150 INCH, PLASTIC, SSOP-24
文件頁數(shù): 3/12頁
文件大小: 160K
代理商: LTC1755EGN
3
LTC1755
ELECTRICAL CHARACTERISTICS
temperature range, otherwise specificatons are at T
A
= 25
°
C. V
IN
= 2.7V to 6V, DV
CC
= 2V to 5.5V, unless otherwise noted.
The
G
denotes specifications which apply over the full specified
Note 1:
Absolute Maximum Ratings are those values beyond which the life
of a device may be impaired.
Note 2:
The LTC1755 is guaranteed to meet performance specifications
from 0
°
C to 70
°
C. Specifications over the –40
°
C to 85
°
C operating
temperature range are assured by design, characterization and correlation
with statistical process controls.
Note 3:
The DATA, AUX1IN, AUX2IN, AUX1, AUX2 and I/O pull-down
drivers must sink up to 250
μ
A sourced by the internal current sources.
PARAMETER
RIN, CIN, PWR, CS, 5V/3V, NC/NO
High Input Voltage Threshold (V
IH
)
Low Input Voltage Threshold (V
IL
)
Input Current (I
IH
/I
IL
)
READY, ALARM, CARD
Pull-Up Current (I
OH
)
Low Level Output Voltage (V
OL
)
Smart Card Inputs/Outputs I/O, AUX1, AUX2, V
CC
= 3V or 5V
High Input Voltage Threshold (V
IH
)
Low Input Voltage Threshold (V
IL
)
High Level Output Voltage (V
OH
)
CONDITIONS
MIN
TYP
MAX
UNITS
G
0.7 DV
CC
0.5 DV
CC
V
V
G
0.5 DV
CC
0.2 DV
CC
G
–1
1
μ
A
G
250
nA
V
Sink Current = –20
μ
A
G
0.3
I
IH(MAX)
=
±
20
μ
A
I
IL(MAX)
= 1mA
Source Current = 20
μ
A
DATA, AUX1IN, AUX2IN = DV
CC
Sink Current = –1mA
DATA, AUX1IN, AUX2IN = 0V (Note 3)
Loaded with 30pF
Shorted to V
CC
G
0.6 V
CC
0.5 V
CC
0.5 V
CC
V
V
V
G
0.8
G
0.8 V
CC
Low Level Output Voltage (V
OL
)
G
0.3
V
Rise/ Fall Time
Short-Circuit Current
CLK
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
CLK Rise/Fall Time
CLK Frequency
RST
High Level Output Voltage (V
OH
)
Low Level Output Voltage (V
OL
)
RST Rise/Fall Time
PRES
High Input Voltage Threshold (V
IH
)
Low Input Voltage Threshold (V
IL
)
PRES Pull-Up Current
PRES Debounce Time
G
0.5
5
μ
s
mA
G
3.5
Source Current = 100
μ
A
Sink Current = –200
μ
A
CLK Loaded with 30pF
CLK Loaded with 30pF
G
V
CC
– 0.5
V
V
G
0.3
16
5
G
ns
G
MHz
Source Current = 200
μ
A
Sink Current = –200
μ
A
Loaded with 30pF
G
0.8 V
CC
V
V
G
0.3
0.5
G
μ
s
G
0.7 DV
CC
0.5 DV
CC
V
V
G
0.5 DV
CC
0.2 DV
CC
1
80
G
0.5
40
μ
A
ms
Proportional to the 0.68
μ
F Charge Pump Capacitor
G
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參數(shù)描述
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LTC1755EGNPBF 制造商:Linear Technology 功能描述:Smart Card Interface LTC1755EGN
LTC1755ENG#PBF 制造商:LT 功能描述: