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参数资料
| 型号： | LTC1756EGN#TR |
| 厂商： | Linear Technology |
| 文件页数： | 7/16页 |
| 文件大小： | 0K |
| 描述： | IC SMART CARD INTERFACE 16SSOP |
| 标准包装： | 2,500 |
| 应用： | 智能卡 |
| 电源电压： | 2.7 V ~ 6 V |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 供应商设备封装： | 16-SSOP |
| 包装： | 带卷 (TR) |
| 安装类型： | 表面贴装 |
15
LTC1755/LTC1756
APPLICATIO S I FOR ATIO
WU
UU
Figure 9. LTC1755/LTC1756 State Diagram
DEACTIVATION
NO
FAULT
1755 F09
POWER OFF
IDLE
DEACTIVATION
ALARM
ACTIVE
FAULT
TIMEOUT
PWR = DVCC
PWR = 0V
PRES
≠ NC/NO
FAULT > 5
s
or
PRES
≠ NC/NO
The only possible next state is Idle/Deactivation which is
achieved by disabling the LTC1755/LTC1756 via the PWR
pin (i.e., PWR = DVCC).
The alarm indication can be cleared by rapidly cycling the
PWR pin. However, a new activation cycle will not begin
until VCC is or has dropped below approximately 1V.
ACTIVE
VCC = 3V or 5V (as determined by the 5V/3V pin)
RST = RIN, CLK = CIN
I/O, AUX2, AUX1, DATA, AUX2IN, AUX1IN = Ready for
data (after READY becomes low)
CARD = PRES
⊕ NC/NO
ALARM = H
FAULT TIMEOUT
Same as Active except:
The duration of a fault is being measured. If the fault
duration exceeds 5
s then the Alarm/Deactivation state
follows. If the fault duration is less than 5
s, then the
device is returned to the Active state.
Dimensions in inches (millimeters) unless otherwise noted.
GN Package
16-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
U
PACKAGE DESCRIPTIO
GN Package
24-Lead Plastic SSOP (Narrow 0.150)
(LTC DWG # 05-08-1641)
GN16 (SSOP) 1098
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.016 – 0.050
(0.406 – 1.270)
0.015
± 0.004
(0.38
± 0.10)
× 45°
0
° – 8° TYP
0.007 – 0.0098
(0.178 – 0.249)
0.053 – 0.068
(1.351 – 1.727)
0.008 – 0.012
(0.203 – 0.305)
0.004 – 0.0098
(0.102 – 0.249)
0.0250
(0.635)
BSC
12
3
4
5
6
7
8
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
16 15 14 13
0.189 – 0.196*
(4.801 – 4.978)
12 11 10 9
0.009
(0.229)
REF
GN24 (SSOP) 1098
* DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH
SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
** DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD
FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
0.016 – 0.050
(0.406 – 1.270)
0.015
± 0.004
(0.38
± 0.10)
× 45°
0
° – 8° TYP
0.007 – 0.0098
(0.178 – 0.249)
0.053 – 0.068
(1.351 – 1.727)
0.008 – 0.012
(0.203 – 0.305)
0.004 – 0.0098
(0.102 – 0.249)
0.0250
(0.635)
BSC
0.337 – 0.344*
(8.560 – 8.738)
12
3
4
5
6
7
8
9 10 11 12
0.229 – 0.244
(5.817 – 6.198)
0.150 – 0.157**
(3.810 – 3.988)
16
17
18
19
20
21
22
23
24
15 1413
0.033
(0.838)
REF
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
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