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Numéro de référence | G570SA | ||
Description | Dual-Slot PCMCIA/CardBus Power Controller | ||
Fabricant | ETC | ||
Logo | |||
Global Mixed-mode Technology Inc.
G570
Dual-Slot PCMCIA/CardBus Power Controller
Features
Fully Integrated VCC and Vpp Switching for Dual
Slot PC CardTM Interface
3-Lead Serial Interface Compatible With
CardBusTM Controllers
3.3V Low Voltage Mode
Meets PC Card Standards
RESET for System Initialization of PC Cards
12V Supply Can Be Disabled Except During
12V Flash Programming
Short Circuit and Thermal Protection
28 Pin and 30 Pin SSOP
Compatible With 3.3V, 5V and 12V PC Cards
Low RDS(on) (225-mΩ 5V VCC Switch;
200 mΩ 3.3V VCC Switch)
Break-Before-Make Switching
Internal power-On Reset
Application
Notebook PC
Electronic Dictionary
Personal Digital Assistance
Digital still Camera
Description
The G570 PC Card power-interface switch provides an
integrated power-management solution for two PC
Cards. All of the discrete power MOSFETs, a logic
section, current limiting, and thermal protection for PC
Card control are combined on a single integrated cir-
cuit (IC). The circuit allows the distribution of 3.3V, 5V,
and/or 12V card power by means of the Serial inter-
face. The current-limiting feature eliminates the need
for fuses, which reduces component count and im-
proves reliability.
The G570 features a 3.3V low voltage mode that allows
for 3.3V switching without the need for 5V supply. This
facilitates low power system designs such as sleep
mode and pager mode where only 3.3V is available.
The G570 incorporates a reset function, selectable by
one of two inputs, to help alleviate system errors. The
reset function enables PC card initialization concurrent
with host platform initialization, allowing a system reset.
Reset is accomplished by grounding the VCC and VPP
(flash-memory programming voltage) outputs, which
discharges residual card voltage.
End equipment for the G570 includes notebook com-
puters, desktop computers, personal digital assistants
(PDAs), digital cameras and bar-code scanners.
Ordering Information
PART NUMBER TEMP. RANGE
G570S4
-40°C to +85°C
G570SA
-40°C to +85°C
PACKAGE
28 SSOP
30 SSOP
Pin Information
G570
5V 1
DATA 2
CLOCK 3
LATCH 4
RESET 5
12V 6
AVPP 7
AVCC 8
AVCC 9
AVCC
GND
NC
RESET
3.3V
10
11
12
13
14
28Pin SSOP
Ver 1.0
Nov 09, 2000
28 5V
27 5V
26 NC
25 NC
24 NC
23 12V
22 BVPP
21 BVCC
20 BVCC
19 BVCC
18 NC
17 OC
16 3.3V
15 3.3V
5V
5V
DATA
CLOCK
LATCH
RESET
12V
AVPP
AVCC
AVCC
AVCC
GND
NC
RESET
3.3V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
G570
30 5V
29 NC
28 NC
27 NC
26 NC
25 NC
24 12V
23 BVPP
22 BVCC
21 BVCC
20 BVCC
19 NC
18 OC
17 3.3V
16 3.3V
30Pin SSOP
TEL: 886-3-5788833
http://www.gmt.com.tw
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Pages | Pages 14 | ||
Télécharger | [ G570SA ] |
No | Description détaillée | Fabricant |
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