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PT8A978P 参数 Datasheet PDF下载

PT8A978P图片预览
型号: PT8A978P
PDF下载: 下载PDF文件 查看货源
内容描述: 5功能遥控器 [5-Function Remote Controller]
分类和应用: 消费电路商用集成电路遥控光电二极管遥控器
文件页数/大小: 12 页 / 88 K
品牌: PERICOM [ PERICOM SEMICONDUCTOR CORPORATION ]
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Data Sheet  
PT8A977P/977W/978P/978LW  
5-Function Remote Controller  
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AC Electrical Characteristics  
AC Electrical Characteristics of 977P/977W  
Parameters  
Test Condition  
Min.  
Type  
Max.  
154  
Units  
kHz  
Description  
fOSC  
Oscillator Frequency *  
TA= 25°C, R = 200 kW  
102  
128  
fmax-fmin Oscillator Frequency Fluctuation - 977P/977W TA=25°C, VCC= 2.5 ~ 5V  
15  
kHz  
fOSC = 102 to 154 kHz  
0.8  
1.6  
51  
1
2
1.2  
2.4  
77  
ms  
ms  
kHz  
s
tFUN  
tSTA  
fCSC  
Cycle Time of Function Code  
Cycle Time of Start Code  
Carrier Frequency of SC Pin  
fOSC = 102 to 154 kHz  
fOSC = 102 to 154 kHz  
64  
8
Pins 1, 4, 5, 6 and 14 are High.  
Any of pins 1, 4, 5, 6 or 14 is Low.  
6.4  
3.2  
9.6  
4.8  
Time of Auto-Power-Off **  
tOFF  
4
min.  
Note: Over the Operating Rating, 0°C £TA £70°C, VCC = 4V  
* The relative error between the frequencies of the two on-chip oscillators in the PT8A977P (or 977W) and PT8A978P (or  
978LW) must be less than ±25%.  
** When adjust the external oscillator resistor, the auto-power-off time will vary relevantly.  
AC Electrical Characteristics of 978P/978LW  
Test Condition  
TA= 25°C, R = 200 kW  
TA=25°C, VCC=2.5 ~ 5V  
Min.  
Type  
Max.  
154  
Units  
kHz  
Description  
Parameters  
fOSC  
102  
128  
Oscillator Frequency *  
Oscillator Frequency Fluctuation - 978P  
15  
kHz  
kHz  
f
max-fmin  
Oscillator Frequency Fluctuation - 978LW TA=25°C, VCC=2.0 ~ 5V  
10  
SI Pin Receive Sensitivity (VPP)  
Cycle Time of Function Code  
Cycle Time of Start Code  
VSI  
tFUN  
tSTA  
Guaranteed Effective Decoding  
fOSC = 128 kHz  
300  
0.75  
1.5  
mV  
ms  
ms  
1
1.25  
fOSC = 128 kHz  
2
2.5  
Note: Over the Operating Rating, 0°C £TA £70°C, VCC = 4V  
* The relative error between the frequencies of the two on-chip oscillators in the PT8A977P (or 977W) and PT8A978P (or  
978LW) must be less than ±25%.  
PT0074(10/01)  
Ver:1  
7