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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)： | 1/12頁 |
| 文件大?。?/td> | 160K |
| 代理商： | LTC1755EGN |
1
LTC1755
Smart Card Interface
October 1999
FEATURES
DESCRIPTIO
N
U
The LTC
1755 universal Smart Card interface is fully
compliant with ISO 7816-3 and EMV specifications. It
provides the smallest and simplest interface circuit be-
tween a host microcontroller and general purpose Smart
Cards.
An internal charge pump DC/DC converter delivers regu-
lated 3V or 5V to the Smart Card, while on-chip level
shifters allow connection to a low voltage controller. All
Smart Card contacts are rated for 10kV ESD, eliminating
the need for external ESD protection devices.
Input voltage may range from 2.7V to 6.0V, allowing direct
connection to a battery. Automatic DC/DC converter soft
start mitigates start-up problems that may result when the
input power is provided by another regulator. Multiple
LTC1755 devices may be paralleled and connected to a
single controller for multicard applications.
Battery life is maximized by 60
μ
A operating current and
1
μ
A shutdown current. The 24-pin SSOP package mini-
mizes PCB area for compact portable systems.
I
Fully ISO 7816-3 and EMV Compliant
(Including Auxiliary I/O Pins)
I
Buck-Boost Charge Pump Generates 3V or 5V
I
2.7V to 6.0V Input Voltage Range
I
Very Low Operating Current: 60
μ
A
I
>10kV ESD on All Smart Card Pins
I
Dynamic Pull-Ups Deliver Fast Signal Rise Times
I
Soft Start Limits Inrush Current at Turn On
I
3V
5V Signal Level Translators
I
Shutdown Current: <1
μ
A
I
Short-Circuit and Overtemperature Protected
I
Alarm Output Indicates Fault Condition
I
Multiple Devices May Be Paralleled for
Multicard Applications
I
Available in 24-Pin SSOP Package
TYPICAL APPLICATIO
N
U
, LTC and LT are registered trademarks of Linear Technology Corporation.
APPLICATIO
S
U
I
Handheld Payment Terminals
I
Pay Telephones
I
ATMs
I
Key Chain Readers
I
Smart Card Readers
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2
3
4
5
6
7
8
9
10
11
12
24
23
22
21
20
19
18
17
16
15
14
13
LTC1755
PRES
PWR
CS
NC/NO
GND
V
IN
V
CC
AUX1
AUX2
I/O
RST
CLK
C2
10
μ
F
C3
10
μ
F
V
CC
AUX1
AUX2
I/O
RST
CLK
C1
0.68
μ
F
GND
SMART CARD
1755 TA01
SMART CARD
PRESENT SWITCH
μ
CONTROLLER
3.3V
5V/3V
CARD
ALARM
READY
DV
CC
C
–
C
+
AUX1IN
AUX2IN
DATA
RIN
CIN
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.
Final Electrical Specifications
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC1755EGN#PBF | 功能描述:IC SMART CARD INTERFACE 24SSOP RoHS:是 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| LTC1755EGN#TR | 功能描述:IC SMART CARD INTERFACE 24SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| LTC1755EGN#TRPBF | 功能描述:IC SMART CARD INTERFACE 24SSOP RoHS:否 類別:集成電路 (IC) >> 接口 - 專用 系列:- 特色產(chǎn)品:NXP - I2C Interface 標(biāo)準(zhǔn)包裝:1 系列:- 應(yīng)用:2 通道 I²C 多路復(fù)用器 接口:I²C，SM 總線 電源電壓:2.3 V ~ 5.5 V 封裝/外殼:16-TSSOP（0.173"，4.40mm 寬） 供應(yīng)商設(shè)備封裝:16-TSSOP 包裝:剪切帶 (CT) 安裝類型:表面貼裝 產(chǎn)品目錄頁面:825 (CN2011-ZH PDF) 其它名稱:568-1854-1 |
| LTC1755EGNPBF | 制造商:Linear Technology 功能描述:Smart Card Interface LTC1755EGN |
| LTC1755ENG#PBF | 制造商:LT 功能描述: |
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