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FD650 Datasheet(PDF) 4 Page - List of Unclassifed Manufacturers

Part # FD650
Description  LED drive control/keyboard scanning ASIC FD650
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Manufacturer  ETC2 [List of Unclassifed Manufacturers]
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FD650 Datasheet(HTML) 4 Page - List of Unclassifed Manufacturers

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集成电路 FD650
4
内部时序参数(测试条件:Ta = 25℃,VCC =5V)
符 号
最 小
典 型
最 大
单 位
电源上电检测产生的复位时间
TPR
10
25
60
ms
显示扫描周期
TP
4
8
20
ms
键盘扫描间隔,按键响应时间
TKS
20
40
80
ms
注:本表时序参数是内置时钟周期的倍数,内置时钟频率随电源电压的降低而降低。
接口时序参数(测试条件:Ta = 25℃,VCC =5V)
符 号
最 小
典 型
最 大
单 位
DAT下降沿启动信号的建立时间
TSSTA
100
-
-
ns
DAT下降沿启动信号的保持时间
THSTA
100
-
-
nS
DAT上升沿停止信号的建立时间
TSSTO
100
-
-
ns
DAT上升沿停止信号的保持时间
THSTO
100
-
-
ns
CLK时钟信号的低电平宽度
TCLOW
100
-
-
nS
CLK时钟信号的高电平宽度
TCHIG
100
-
-
nS
DAT输入数据对CLK上升沿的建立
时间
TSDA
30
nS
DAT输入数据对CLK上升沿的保持
时间
THDA
10
nS
DAT输出数据有效对CLK下降沿的
延时
TAA
2
30
nS
DAT输出数据无效对CLK下降沿的
延时
TDH
2
40
nS
平均数据传输速率
Rate
0
4M
bps
注:本表计量单位以纳秒即10
-9,未注明最大值则理论值可以无穷大。


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