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參數資料
| 型號： | LTC1315 |
| 廠商： | Linear Technology Corporation |
| 英文描述： | PCMCIA Switching Matrix with Built-In N-Channel VCC Switch Drivers |
| 中文描述： | 的PCMCIA開關矩陣，帶內置N溝道虛擬通道連接開關驅動器 |
| 文件頁數： | 1/12頁 |
| 文件大小： | 275K |
| 代理商： | LTC1315 |
1
LTC1314/LTC1315
PCMCIA Switching Matrix
with Built-In N-Channel
V
CC
Switch Drivers
S
FEATURE
D
The LTC
1314/LTC1315 provide the power switching
necessary to control Personal Computer Memory Card
International Association (PCMCIA) Release 2.0 card slots.
When used in conjunction with a PC card interface control-
ler, these devices form a complete minimum component
count interface for palmtop, pen-based and notebook
computers.
The LTC1314/LTC1315 provide 0V, 3.3V, 5V, 12V and
Hi-Z power output for flash VPP programming. A built-in
charge pump produces 12V of gate drive for inexpensive
N-channel 3.3V/5V V
CC
switching. The 12V regulator can
be shut down when 12V is not required at VPP
OUT
. All
digital inputs are TTL compatible and interface directly
with industry standard PC card interface controllers.
The LTC1314 is available in 14-pin SO and the LTC1315 in
24-pin SSOP.
U
ESCRIPTIO
I
Output Current Capability: 120mA
I
External 12V Regulator Can Be Shut Down
I
Built-In N-Channel V
CC
Switch Drivers
I
Digital Selection of 0V, V
CCIN
, VPP
IN
or Hi-Z
I
3.3V or 5V V
CC
Supply
I
Break-Before-Make Switching
I
0.1
μ
A Quiescent Current in Hi-Z or 0V Mode
I
No VPP
OUT
Overshoot
I
Logic Compatible with Standard PCMCIA Controllers
I
Notebook Computers
I
Palmtop Computers
I
Pen-Based Computers
I
Handi-Terminals
I
Bar-Code Readers
U
S
A
O
PPLICATI
, LTC and LT are registered trademarks of Linear Technology Corporation.
TYPICAL APPLICATIO
N
U
Linear Technology PCMCIA Product Family
DEVICE
LT1312
LT1313
LTC
1314
LTC1315
LTC1470
LTC1472
*NARROW BODY
DESCRIPTION
SINGLE PCMCIA VPP DRIVER/REGULATOR
DUAL PCMCIA VPP DRIVER/REGULATOR
SINGLE PCMCIA SWITCH MATRIX
DUAL PCMCIA SWITCH MATRIX
PROTECTED V
CC
5V/3.3V SWITCH MATRIX
PROTECTED V
CC
AND VPP SWITCH MATRIX
PACKAGE
8-PIN SO
16-PIN SO*
14-PIN SO
24-PIN SSOP
8-PIN SO
16-PIN SO*
EN0
0
0
1
1
X
X
X
X
EN1
0
1
0
1
X
X
X
X
V
CC0
X
X
X
X
1
0
0
1
V
CC1
X
X
X
X
0
1
0
1
VPP
OUT
GND
V
CCIN
VPP
IN
Hi-Z
X
X
X
X
DRV3
X
X
X
X
1
0
0
0
DRV5
X
X
X
X
0
1
0
0
X = DON’T CARE
LTC1314 Truth Table
Typical PCMCIA Single Slot Driver
+
VPP
IN
C
OUT
SHDN
VPP
OUT
3.3V OR 5V
V
DD
VPP1
VPP2
V
CC
LTC1314 TA01
LTC1314
5V
12V
PCMCIA
CARD SLOT
CONTROLLER
EN0
EN1
V
CC0
V
CC1
DRV5
V
CCIN
DRV3
GND
5V
3.3V
PCMCIA
CARD SLOT
+
1
μ
F
0.1
μ
F
STEP-UP
REGULATOR
LT
1301
V
OUT
SHDN
V
IN
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