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參數資料
| 型號： | HT82K28 |
| 廠商： | Holtek Semiconductor Inc. |
| 英文描述： | Win98 Keyboard Encoder |
| 中文描述： | Win98鍵盤編碼器 |
| 文件頁數： | 2/20頁 |
| 文件大小： | 143K |
| 代理商： | HT82K28 |
Pin Description
Pin No.
Pin Name
I/O
Description
1
OSC1
I
System clock input
2, 4
VSS
Negative power supply, ground
3
VDD
Positive power supply
5, 6
IO0~IO1
O
Customer defined optional output lines
39, 40,
7~12
C0~C7
I
Keyboard matrix scanning input pins
16~23, 28,
29, 13~15
24, 26, 27
33, 35
R0~R18
O
Keyboard matrix scanning output pins
25, 34
NC
No connection
30
SCRL
O
LED pin
31
NUM
O
LED pin
32
CAP
O
LED pin
37
CLOCK
I/O
Synchronous clock signal. Used to clock the transmission data
38
DATA
I/O
Bidirectional data transmission line
Absolute Maximum Ratings
Supply Voltage............................4.75V to 5.25V
Input Voltage.................V
SS
0.3V to V
DD
+0.3V
Storage Temperature................. 55 C to 125 C
Operating Temperature ..................0 C to 70 C
Note: These are stress ratings only. Stresses exceeding the range specified under Absolute Maxi-
mumRatings maycausesubstantialdamagetothedevice.Functionaloperationofthisdevice
at other conditions beyond those listed in the specification is not implied and prolonged expo-
sure to extreme conditions may affect device reliability.
HT82K28A
2
February 16, 2000
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PDF描述 |
|---|---|
| HT82K28A | Win98 Keyboard Encoder |
| HT82K628A | Windows 2000 Keyboard Encoder(Windows 2000操作系統鍵盤編碼器) |
| HT82K628 | Windows 2000 Keyboard Encoder |
| HT82K629A | Windows 2000 USB+PS/2 Keyboard Encoder |
| HT82K68A-L | Multimedia Keyboard Encoder 8-Bit MCU |
相關代理商/技術參數 |
參數描述 |
|---|---|
| HT82K28A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Win98 Keyboard Encoder |
| HT82K28A_02 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Win98 Keyboard Encoder |
| HT82K628 | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Windows 2000 Keyboard Encoder |
| HT82K628A | 制造商:HOLTEK 制造商全稱:Holtek Semiconductor Inc 功能描述:Windows 2000 Keyboard Encoder |
| HT82K628A(40DIP) | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Controller Miscellaneous - Datasheet Reference |
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