LTC1314/LTC1315
PCMCIA Switching Matrix
with Built-In N-Channel
V Switch Drivers
CC
EATURES DESCRIPTIO
F
n
Output Current Capability: 120mA The LTC 1314/LTC1315 provide the power switching
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External 12V Regulator Can Be Shut Down necessary to control Personal Computer Memory Card
n
Built-In N-Channel V Switch Drivers International Association (PCMCIA) Release 2.0 card slots.
CC
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Digital Selection of 0V, V , VPP or Hi-Z When used in conjunction with a PC card interface control-
CCIN IN
n
3.3V or 5V V Supply ler, these devices form a complete minimum component
CC
n
Break-Before-Make Switching count interface for palmtop, pen-based and notebook
n
0.1A Quiescent Current in Hi-Z or 0V Mode computers.
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No VPP Overshoot
OUT
The LTC1314/LTC1315 provide 0V, 3.3V, 5V, 12V and
n
Logic Compatible with Standard PCMCIA Controllers
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 switching. The 12V regulator can
CC
APPLICATI S
be shut down when 12V is not required at VPP . All
OUT
n
Notebook Computers
digital inputs are TTL compatible and interface directly
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Palmtop Computers
with industry standard PC card interface controllers.
n
Pen-Based Computers
The LTC1314 is available in 14-pin SO and the LTC1315 in
n
Handi-Terminals
24-pin SSOP.
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Bar-Code Readers
, LTC and LT are registered trademarks of Linear Technology Corporation.
Linear Technology PCMCIA Product Family
TYPICAL APPLICATION
DEVICE DESCRIPTION PACKAGE
LT1312 SINGLE PCMCIA VPP DRIVER/REGULATOR 8-PIN SO
Typical PCMCIA Single Slot Driver
LT1313 DUAL PCMCIA VPP DRIVER/REGULATOR 16-PIN SO*
STEP-UP
3.3V OR 5V V LTC 1314 SINGLE PCMCIA SWITCH MATRIX 14-PIN SO
IN
REGULATOR
LT 1301 LTC1315 DUAL PCMCIA SWITCH MATRIX 24-PIN SSOP
12V
V
OUT
SHDN
+
LTC1470 PROTECTED V 5V/3.3V SWITCH MATRIX 8-PIN SO
CC
C
OUT
LTC1472 PROTECTED V AND VPP SWITCH MATRIX 16-PIN SO*
VPP
IN CC
5V
V SHDN
DD
*NARROW BODY
VPP VPP1
OUT
5V VPP2
LTC1314
0.1F LTC1314 Truth Table
PCMCIA
CARD SLOT
EN0
PCMCIA
CONTROLLER
CARD SLOT
EN1 DRV5
EN0 EN1 V V VPP DRV3 DRV5
CC0 CC1 OUT
V V V
CC0 CCIN CC 0 0 X X GND X X
+
01 X X V XX
V DRV3 CCIN
CC1 1F
LTC1314 TA01
1 0 X X VPP XX
GND IN
1 1 X X Hi-Z X X
XX 1 0 X 1 0
XX 0 1 X 0 1
3.3V
XX 0 0 X 0 0
XX 1 1 X 0 0
X = DONT CARE
1
U
UO
ULTC1314/LTC1315
ABSOLUTEXAI U RATI GS
VPP to GND ........................................ 13.2V to 0.3V Digital Input Voltage ................................... 7V to 0.3V
IN
V to GND................................................. 7V to 0.3V Operating Temperature Range .................... 0C to 70C
DD
V to GND .............................................. 7V to 0.3V Storage Temperature Range ................ 65C to 150C
CCIN
VPP to GND...................................... 13.2V to 0.3V Lead Temperature (Soldering, 10 sec)................. 300C
OUT
PACKAGE/ORDER I FOR ATIO
TOP VIEW
ORDER PART ORDER PART
AVPP
1
24
AV
NUMBER CCIN
NUMBER
IN
ASHDN
2
23
AVPP
OUT
TOP VIEW
AEN0
3
22
GND
LTC1315CG
LTC1314CS
VPP
1
14
V
IN CCIN AEN1
4
21
V
DD
NC
2
13
NC
AV
5
20
ADRV3
CC0
SHDN
3
12
VPP
OUT AV
6
19
ADRV5
CC1
EN0
4
11
GND
BVPP
7
18
BV
CCIN
IN
EN1
5
10
V
DD BSHDN
8
17
BVPP
OUT
V
6
9
DRV3
CC0 BEN0
9
16
GND
V 7
8
DRV5
CC1 BEN1
10
15
V
DD
BV
11
14
BDRV3
CC0
S PACKAGE
14-LEAD PLASTIC SO
BV 12 13
BDRV5
CC1
T = 125C, = 110C/W
JMAX JA
G PACKAGE
24-LEAD PLASTIC SSOP
T = 125C, = 95C/W
JMAX JA
Consult factory for Industrial and Military grade parts.
V = 5V, V = 5V, VPP = 12V, T = 25C unless otherwise specified.
ELECTRICAL CHARACTERISTICS DD CCIN IN A
LTC1314/LTC1315
SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS
V Input Voltage Range l 3 5.5 V
CCIN
VPP Input Voltage Range l 0 12.6 V
IN
V Supply Voltage Range l 4.5 5.5 V
DD
I V Supply Current, No Load VPP = VPP , V , 0V or Hi-Z l 0.1 1 A
CC CCIN OUT IN CCIN
I VPP Supply Current, No Load VPP = VPP , V l 15 40 A
PP IN OUT IN CCIN
VPP = 0V, Hi-Z l 0.1 1 A
OUT
I V Supply Current, No Load VPP = VPP or V l 60 120 A
DD DD OUT IN CCIN
VPP = 0V or Hi-Z l 0.1 10 A
OUT
VPP = 0V or Hi-Z, DRV3 or DRV5 On l 85 200 A
OUT
I Input Current: EN0, EN1, V or V 0V < V < V l 1 A
IN CC0 CC1 IN DD
I High Impedance Output Leakage Current EN0 = EN1 = 5V, 0V < VPP < 12V l 0.1 10 A
OUT OUT
R On Resistance, VPP = VPP VPP = 12V, I = 120mA l 0.55 1.2
ON OUT IN IN LOAD
On Resistance, VPP = V V = 5V, I = 5mA l 25
OUT CCIN CCIN LOAD
On Resistance, VPP = GND V = 5V, I = 1mA l 100 250
OUT DD SINK
V Input High Voltage, Digital Inputs l2V
INH
V Input Low Voltage, Digital Inputs l 0.8 V
INL
2
U WU
U W W W