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参数资料
| 型号： | K25C81 |
| 厂商： | Semtech Corporation |
| 英文描述： | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| 中文描述： | 多功能PC/XC/AT/PS/2兼容键盘编码器 |
| 文件页数： | 11/12页 |
| 文件大小： | 124K |
| 代理商： | K25C81 |
ELECTRICAL SPECIFICATIONS
Copyright Semtech, 1997-2001
DOC5-C81-DS-105
www.semtech.com
11
Absolute Maximum Ratings
Ratings
Supply Voltage
Input Voltage
Current Drain per Pin
(not including Vss or Vdd)
Operating Temperature
K25C81
Storage Temperature Range
S ymbol
Vdd
Vin
I
Value
-0.3 to +7.0
Vss -0.3 to Vdd +0.3
25
Unit
V
V
mA
Ta
T low to T high
40 to +85
-65 to +150
°
C
Tstg
°
C
T hermal Charac teristic s
Charac teristic
Thermal Resistence
Plastic
DIP
Plcc
DC Elec tric al Charac teristic s
(Vdd=5.0 Vdc +/-10%, Vss=0 Vdc, Temperature range=T low to T high unless otherwise noted)
Charac teristic
S ymbol
Min
Output Voltage (I load<10μA)
Vol
Voh
Vdd
–
0.1
Output High Voltage (I load=0.8mA)
Voh
Vdd
–
0.8
Output Low Voltage (I load=1.6mA)
Vol:
Input High Voltage
Vih
0.7xVdd
Input Low Voltage
Vil
Vss
Supply Current
Idd
I/O Ports Hi-Z Leakage Current
Iil
Input Current
Iin
I/O Port Capacitance
Cio
S ymbol
Tja
Value
Unit
°
C per W
60
-60
70
Typ
Max
0.1
Unit
V
V
V
V
V
mA
μA
μA
pF
0.4
Vdd
0.2xVdd
7.0
+/-10
+/- 1
12
4.7
8
Control T iming
(Vdd=5.0 Vdc +/-10%, Vss=0 Vdc, Temperature range=T low to T high unless otherwise noted)
Charac teristic
S ymbol
Frequency of Operation
fosc
Crystal Option
External Clock Option
Min
Max
Unit
MHz
4.0
4.0
dc
相关PDF资料 |
PDF描述 |
|---|---|
| K25C81-FB | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-FN | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-P | Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K270 | surface mount silicon Zener diodes |
| K240 | surface mount silicon Zener diodes |
相关代理商/技术参数 |
参数描述 |
|---|---|
| K25C81-FB | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-FN | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25C81-P | 制造商:SEMTECH 制造商全称:Semtech Corporation 功能描述:Versatile PC/XC/AT/PS/2 Compatible Keyboard Encoder |
| K25F | 制造商:VMI 制造商全称:VMI 功能描述:2,500 V - 10,000 V Rectifiers 1.5 A - 3.0 A Forward Current 200 ns Recovery Time |
| K25S | 制造商:VMI 制造商全称:VMI 功能描述:Spice Model |
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