LTC1314 LINER [Linear Technology], LTC1314 Datasheet

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LTC1314

Manufacturer Part Number
LTC1314
Description
PCMCIA Switching Matrix with Built-In N-Channel VCC Switch Drivers
Manufacturer
LINER [Linear Technology]
Datasheet

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FEATURE
A
TYPICAL
CONTROLLER
CARD SLOT
PPLICATI
PCMCIA
Output Current Capability: 120mA
External 12V Regulator Can Be Shut Down
Built-In N-Channel V
Digital Selection of 0V, V
3.3V or 5V V
Break-Before-Make Switching
0.1 A Quiescent Current in Hi-Z or 0V Mode
No VPP
Logic Compatible with Standard PCMCIA Controllers
Notebook Computers
Palmtop Computers
Pen-Based Computers
Handi-Terminals
Bar-Code Readers
OUT
5V
Typical PCMCIA Single Slot Driver
APPLICATION
S
V
EN0
EN1
V
V
Overshoot
CC
DD
CC0
CC1
O
LTC1314
Supply
VPP
GND
12V
U
IN
VPP
S
SHDN
DRV5
DRV3
V
CC
CCIN
OUT
3.3V OR 5V
Switch Drivers
CCIN
+
, VPP
3.3V
5V
U
C
OUT
+
V
V
IN
IN
OUT
or Hi-Z
REGULATOR
0.1 F
1 F
STEP-UP
LT
SHDN
®
1301
VPP1
VPP2
V
CARD SLOT
CC
PCMCIA
LTC1314 • TA01
D
The LTC
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
be shut down when 12V is not required at VPP
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.
DEVICE
LT1312
LT1313
LTC
LTC1315
LTC1470
LTC1472
*NARROW BODY
, LTC and LT are registered trademarks of Linear Technology Corporation.
ESCRIPTIO
®
1314 SINGLE PCMCIA SWITCH MATRIX
X = DON’T CARE
PCMCIA Switching Matrix
EN0
0
0
1
1
X
X
X
X
®
DESCRIPTION
SINGLE PCMCIA VPP DRIVER/REGULATOR
DUAL PCMCIA VPP DRIVER/REGULATOR
DUAL PCMCIA SWITCH MATRIX
PROTECTED V
PROTECTED V
1314/LTC1315 provide the power switching
Linear Technology PCMCIA Product Family
with Built-In N-Channel
EN1
0
1
0
1
X
X
X
X
LTC1314 Truth Table
U
V
CC
CC
CC0
CC
X
X
X
X
V
1
0
0
1
5V/3.3V SWITCH MATRIX
AND VPP SWITCH MATRIX
switching. The 12V regulator can
CC
LTC1314/LTC1315
V
CC1
X
X
X
X
0
1
0
1
Switch Drivers
VPP
VPP
V
GND
Hi-Z
CCIN
X
X
X
X
OUT
IN
DRV3
X
X
X
X
1
0
0
0
PACKAGE
8-PIN SO
16-PIN SO*
14-PIN SO
24-PIN SSOP
8-PIN SO
16-PIN SO*
DRV5
X
X
X
X
0
1
0
0
OUT
. All
1

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