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UR5HCFJ8-FB

更新时间： 2024-11-28 22:17:11
品牌 Logo 应用领域
商升特 - SEMTECH 微控制器和处理器外围集成电路uCs集成电路uPs集成电路编码器便携式
页数 文件大小 规格书
16页 197K
描述
Low-Power Keyboard Encoder for Portable Systems

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中文翻译

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UR5HCFJ8-FB 技术参数

是否无铅： 含铅是否Rohs认证： 不符合
生命周期：Obsolete零件包装代码：QFP
包装说明：,针数：44
Reach Compliance Code：unknownHTS代码：8542.31.00.01
风险等级：5.92Is Samacsys：N
JESD-30 代码：S-PQFP-G44JESD-609代码：e0
端子数量：44最高工作温度：70 °C
最低工作温度：封装主体材料：PLASTIC/EPOXY
封装形状：SQUARE封装形式：FLATPACK
峰值回流温度（摄氏度）：NOT SPECIFIED认证状态：Not Qualified
最大压摆率：7 mA最大供电电压：5.5 V
最小供电电压：4.5 V标称供电电压：5 V
表面贴装：YES技术：CMOS
温度等级：COMMERCIAL端子面层：Tin/Lead (Sn/Pb)
端子形式：GULL WING端子位置：QUAD
处于峰值回流温度下的最长时间：NOT SPECIFIEDuPs/uCs/外围集成电路类型：MICROPROCESSOR CIRCUIT
Base Number Matches：1

UR5HCFJ8-FB 数据手册

 浏览型号UR5HCFJ8-FB的Datasheet PDF文件第2页浏览型号UR5HCFJ8-FB的Datasheet PDF文件第3页浏览型号UR5HCFJ8-FB的Datasheet PDF文件第4页浏览型号UR5HCFJ8-FB的Datasheet PDF文件第5页浏览型号UR5HCFJ8-FB的Datasheet PDF文件第6页浏览型号UR5HCFJ8-FB的Datasheet PDF文件第7页 
La p Co d e rTM UR5 HCFJ 8  
Low-Power Keyboard  
Encoder for Portable Systems  
HID & S YS TEM MANAGEMENT P RODUCTS , KEYCODERTM FAMILY  
DESCRIPTION  
FEATURES  
The LapCoderTM is a versatile, low-  
power keyboard encoder for  
portable systems. The UR5HCFJ8  
provides two bi-directional channels  
for communication with a BIOS-  
compatible system as well as  
any optional keyboard-compatible  
devices, such as a 101/102 desktop  
keyboard.  
• Interfaces the Fujitsu FKB7211 or  
other similar laptop/notebook  
keyboards to a BIOS-compatible  
systems  
• Low-power, single IC suitable for  
3V battery-operated systems  
• Implements all functions of an  
101/102 keyboard with only  
82-keys  
• Available in DIP, PLCC and Quad  
Flat packages  
• Custom versions available in small  
or large quantities  
• AT / PS/2-compatible  
• Interfaces an external keyboard /  
keypad or other 8042-compatible  
devices  
The UR5HCFJ8 fully supports the  
IBM standard keyboard  
APPLICATIONS  
• Laptop/Notebook  
• Portable Equipment  
• Industrial Keyboards  
• POS Terminals  
• Public Information Kiosks  
communication protocol; each key  
press generates one of the scan  
codes designated in the IBM  
Technical Reference Manuals.  
The keyboard encoder handles  
the scanning, debounce, and  
encoding of 82 keys organized on  
an 8x16 matrix and supports  
embedded numeric keypad  
functions as well as alternate scan  
codes for specific keys, so that a  
keyboard with only 82 keys is able  
to emulate the functionality of a  
101/102 keyboard.  
PIN DESCRIPTIONS  
6
40  
39  
1
R7  
SL  
R5  
R4  
R3  
7
RP  
KD  
KC  
EKC  
EKD  
_RESET  
_IRQ  
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
2
34 R2  
R1  
CL 12  
C0  
P LCC  
23  
3
In addition to the system’s keyboard  
communication port the UR5HCFJ8  
provides a fully functional keyboard  
input port that can be used by a  
standard 82/101/102 keyboard or  
another 8042-compatible device,  
such as an external numeric  
keypad, an OCR, or a bar-code  
reader. Input from both the matrix  
and the external device is  
R0  
C8  
C9  
C10  
C1  
C2  
C3  
C4  
NL  
4
R6  
5
RP  
SL  
6
29  
28  
17  
18  
KD  
KC  
R5  
7
R4  
8
EKC  
EKD  
CL  
R3  
9
R2  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
DIP  
R1  
C0  
R0  
C1  
C8  
SL  
R5  
R6  
C2  
C9  
RP  
KD  
KC  
C3  
C10  
C11  
C12  
C13  
C14  
C15  
multiplexed and presented to the  
system as if it were coming from a  
single source.  
R4  
C4  
R3  
C5  
R2  
EKC  
EKD  
CL  
C6  
R1  
QFP  
C7  
R0  
The features of UR5HCFJ8 make it  
ideal for use in PC/AT/PS/2  
laptop/notebook designs that utilize  
the Fujitsu FKB7211 low-profile, full-  
travel membrane keyboard.  
C8  
C9  
C10  
C11  
C0  
VSS  
C1  
C2  
C3  
LapCoder is a trademark of Semtech Corp. All  
other trademarks belong to their respective  
companies.  
Copyright Semtech, 1997-2001  
DOC5-FJ8-DS-107  
www.semtech.com  
1
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UR5HCFJ8-PA-FB SEMTECH

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UR5HCFJ8-PA-FN SEMTECH

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