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PDF MIC2560-1BWM Data sheet ( Hoja de datos )
| Número de pieza | MIC2560-1BWM | |
| Descripción | PCMCIA Card Socket VCC and VPP Switching Matrix | |
| Fabricantes | Micrel Semiconductor | |
| Logotipo |  |
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MIC2560
Micrel
MIC2560
PCMCIA Card Socket V and V Switching Matrix
CC PP
General Description
The MIC2560 VCC and VPP Matrix controls PCMCIA (Per-
sonal Computer Memory Card International Association)
memory card power supply pins, both VCC and VPP. The
MIC2560 switches voltages from the system power supply to
VCC and VPP. The MIC2560 switches between the three VCC
voltages (OFF, 3.3V and 5.0V) and the VPP voltages (OFF,
0V, 3.3V, 5V, or 12.0V) required by PCMCIA cards. Output
voltage is selected by two digital inputs for each output and
output current ranges up to 1A for VCC and 200mA for VPP.
The MIC2560 provides power management capability under
the control of the PC Card controller and features overcurrent
and thermal protection of the power outputs, zero current
“sleep” mode, suspend mode, low power dynamic mode, and
on-off control of the PCMCIA socket power.
The MIC2560 is designed for efficient operation. In standby
(sleep) mode the device draws very little quiescent current,
typically 0.01µA. The device and PCMCIA ports are pro-
tected by current limiting and overtemperature shutdown.
Full cross-conduction lockout protects the system power
supply.
Ordering Information
Part Number Junction Temp. Range*
Package
MIC2560-0BWM
–40°C to +70°C
16-lead Wide SOP
MIC2560-1BWM
–40°C to +70°C
16-lead Wide SOP
Refer to “Control Logic Table” for -0/-1 version explanation.
Applications
• PCMCIA power supply pin voltage switch
• Font cards for printers and scanners
• Data-collection systems
• Machine control data input systems
• Wireless communications
• Bar code data collection systems
• Instrumentation configuration/datalogging
• Docking stations (portable and desktop)
• Power supply sanagement
• Power analog switching
Features
• Complete PCMCIA VCC and VPP switch matrix
in a single IC
• No external components required
• Logic compatible with industry standard
PCMCIA controllers
• No voltage overshoot or switching transients
• Break-before-make switching
• Output current limit and overtemperature shutdown
• Digital flag for error condition indication
• Ultralow power consumption
• Digital selection of VCC and VPP voltages
• Over 1A VCC output current
• 200mA VPP (12V) output current
• Options for direct compatibility with
industry standard PCMCIA controllers
• 16-Pin SO package
Typical Application
Address and data lines
between logic controller and
PCMCIA cards not shown.
PCMCIA
Card Slot
Controller
System Power Supply
12V 3.3V
5V
VPP IN
VCC3 IN
VCC5 IN
EN0
EN1
VCC5 EN
VCC3 EN
MIC2560
Power
Controller
VPP OUT
VCC OUT
GND
VPP1
VPP2
VCC
Motherboard
PCMCIA
Card
Micrel, Inc. • 1849 Fortune Drive • San Jose, CA 95131 • USA • tel + 1 (408) 944-0800 • fax + 1 (408) 944-0970 • http://www.micrel.com
November 1999
1
MIC2560
1 page  
MIC2560
MIC2560-0 Control Logic Table
Micrel
Pin 5
VCC5_EN
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Pin 6
VCC3_EN
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Pin 8
EN1
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Pin 7
EN0
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Pins 2 & 14
VCC OUT
High Z
High Z
High Z
High Z
3.3
3.3
3.3
3.3
5
5
5
5
3.3
3.3
3.3
3.3
Pin 13
VPP OUT
High Z
High Z
High Z
Clamped to Ground
High Z
3.3
12
Clamped to Ground
High Z
5
12
Clamped to Ground
High Z
3.3
5
Clamped to Ground
MIC2560-1 Logic (Compatible with Cirrus Logic CL-PD6710 & CL-PD6720 Controllers)
Pin 5
VCC5_EN
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
Pin 6
VCC3_EN
0
0
0
0
1
1
1
1
0
0
0
0
1
1
1
1
Pin 8
VPP_PGM
0
0
1
1
0
0
1
1
0
0
1
1
0
0
1
1
Pin 7
VPP_VCC
0
1
0
1
0
1
0
1
0
1
0
1
0
1
0
1
Pins 2 & 14
VCC OUT
High Z
High Z
High Z
High Z
5
5
5
5
3.3
3.3
3.3
3.3
High Z
High Z
High Z
High Z
Pin 13
VPP OUT
Clamped to Ground
High Z
High Z
High Z
Clamped to Ground
5
12
High Z
Clamped to Ground
3.3
12
High Z
Clamped to Ground
High Z
High Z
High Z
November 1999
5
MIC2560
5 Page 
MIC2560
Micrel
November 1999
11
MIC2560
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet MIC2560-1BWM.PDF ] | |
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