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參數(shù)資料
| 型號： | G570SA |
| 廠商： | Electronic Theatre Controls, Inc. |
| 英文描述： | Dual-Slot PCMCIA/CardBus Power Controller |
| 中文描述： | 雙插槽的PCMCIA / CardBus電源控制器 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 217K |
| 代理商： | G570SA |
Ver 1.0
Nov 09, 2000
TEL: 886-3-5788833
http://www.gmt.com.tw
1
G570
Global Mixed-mode Technology Inc.
Dual-Slot PCMCIA/CardBus Power Controller
Features
Fully Integrated V
CC
and V
pp
Switching for Dual
Slot PC Card
TM
Interface
3-Lead Serial Interface Compatible With
CardBus
TM
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 R
DS(on)
(225-m
Ω
5V V
CC
Switch;
200 m
3.3V V
CC
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 V
CC
and V
PP
(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
G570SA
PACKAGE
28 SSOP
30 SSOP
-40°C to +85°C
-40°C to +85°C
Pin Information
NC
NC
NC
12V
BVPP
BVCC
BVCC
BVCC
NC
OC
3.3V
3.3V
5V
DATA
CLOCK
LATCH
RESET
12V
AVPP
AVCC
AVCC
AVCC
GND
NC
RESET
3.3V
G570
5V
5V
28Pin SSOP
5
6
7
8
9
10
11
12
13
14
26
25
24
23
22
21
20
19
18
17
16
15
27
28
1
2
4
3
NC
NC
NC
NC
NC
12V
BVPP
BVCC
BVCC
BVCC
NC
OC
3.3V
3.3V
5V
DATA
CLOCK
LATCH
RESET
12V
AVPP
AVCC
AVCC
AVCC
GND
NC
RESET
3.3V
G570
5V
30Pin SSOP
5
6
7
8
9
10
11
12
13
14
26
25
24
23
22
21
20
19
18
17
16
27
28
15
1
2
4
3
5V
30
29
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