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UR5HCFJL-16-P PDF预览

UR5HCFJL-16-P

更新时间： 2024-11-28 23:40:43
品牌 Logo 应用领域
其他 - ETC 外围集成电路光电二极管编码器
页数 文件大小 规格书
20页 229K
描述
ENCODER|DIP|40PIN|PLASTIC

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UR5HCFJL-16-P 数据手册

 浏览型号UR5HCFJL-16-P的Datasheet PDF文件第2页浏览型号UR5HCFJL-16-P的Datasheet PDF文件第3页浏览型号UR5HCFJL-16-P的Datasheet PDF文件第4页浏览型号UR5HCFJL-16-P的Datasheet PDF文件第5页浏览型号UR5HCFJL-16-P的Datasheet PDF文件第6页浏览型号UR5HCFJL-16-P的Datasheet PDF文件第7页 
TM  
GreenCoder UR5HCFJL  
Extremely Low-Power Keyboard  
Encoder for Portable Systems  
TM  
HID & SYSTEM MANAGEMENT PRODUCTS, KEYCODER FAMILY  
DESCRIPTION  
FEATURES  
TM  
The GreenCoder UR5HCFJL is  
a unique, extremely low-power  
keyboard encoder that provides an  
optimum performance level for both  
battery-operated and desktop  
systems.  
• Optimized power-saving operation  
with idle consumption of less  
than 2 µA  
• Programmable LED dimming for  
further power savings  
• Ready to interface to Fujitsu's  
7316, 7654,7656, and  
1406 keyboards  
• Wakes-up only to respond to an  
external event and for a minimum  
period of time (2 mA current  
consumption)  
• Provides interface for external  
keyboard/keypad or other 8042-  
compatible device  
TM  
The GreenCoder scans,  
• Energy Star Compliant  
debounces and encodes an 8 X 16  
keyboard matrix, and provides  
direct drive for 3 LEDs and two  
bi-directional channels for  
communication with a BIOS-  
compatible system as well as an  
additional keyboard-compatible  
device. It fully supports all three  
PS/2 scan code sets and can  
implement up to three alternate  
keyboard layers for full 101/102  
functionality.  
• 3, 3.3, and 5 Volt operation  
APPLICATIONS  
• Laptops / notebooks  
• Portable equipment  
• Medical instruments  
• Palmtops / PDAs  
PIN ASSIGNMENTS  
TM  
The GreenCoder employs a  
unique Self-Power Management  
TM  
SL  
R6  
OPT  
KD  
R5  
R4  
R3  
R2  
R1  
R0  
C8  
C9  
C10  
C11  
method that reduces the power  
consumption of the keyboard  
sub-system to an unprecedented  
minimum, transparently and without  
user intervention. In “Active” mode,  
the encoder consumes less than 2  
mA (Typ @5V). In “Sleep” mode the  
encoder consumes less than 2 µA  
(Typ @5V) The encoder can even  
nap between keystrokes and  
therefore it is rarely active and  
rarely consumes significant levels of  
power.  
_RESET  
DRV  
VX  
40  
39  
38  
37  
36  
35  
34  
33  
32  
31  
30  
29  
28  
27  
26  
25  
24  
23  
22  
21  
VCC  
OSCI  
OSCO  
EKC1  
R7  
1
KC  
2
EKC  
EKD  
CL  
C0  
C1  
3
QFP  
NL  
4
R6  
5
C2  
C3  
OPT  
KD  
SL  
6
R5  
7
KC  
R4  
8
EKC  
EKD  
CL  
R3  
9
R2  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
DIP  
R1  
6
40  
39  
C0  
R0  
1
PLCC  
23  
R7  
7
OPT  
KD  
KC  
EKC  
EKD  
SL  
R5  
R4  
R3  
C1  
C8  
C2  
C9  
C3  
C10  
C11  
C12  
C13  
C14  
C15  
34 R2  
R1  
CL 12  
C0  
C4  
C5  
R0  
C8  
C9  
C10  
C1  
C2  
C3  
C4  
C6  
A "stand-by" mode (600 µA Typ  
@5V) is entered for as long as  
a periodic task is active. After a  
programmed period of user  
C7  
29  
28  
17  
GND  
18  
TM  
inactivity the GreenCoder  
gradually dims the LEDs for  
further power savings.  
TM  
The GreenCoder is ideal for use in  
battery laptop/notebook designs  
and Energy Star compliant  
keyboards.  
GreenCoder is a trademark of Semtech  
Corporation. All other trademarks belong to their  
respective companies.  
Copyright ©1997-2001 Semtech Corporation  
DOC5-FJL-DS-107  
www.semtech.com  
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