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參數資料

LC85632

AC Input

* 50/60 Hz INPUT [Pin 27]

Input

AC input (f = 50 Hz/60 Hz)

(1) The AC input should be 50 or 60 Hz. This input uses the 50/60 Hz INPUT pin. This input is used as the reference

clock during normal operation.

(2) AC input to the 50/60 Hz INPUT pin

We recommend the circuit shown as an example in figure 21. Figure 22 shows the input waveform when this circuit

is used.

The input threshold voltage for the 50/60 Hz INPUT pin is set to a voltage close to the VDD voltage. Since the

display drive phase is generated from the AC waveform input to the 50/60 Hz INPUT pin, it is important to input the

AC waveform centered around the VDD voltage to prevent creating an unbalanced display duty.

Note that the overdrive portion of the input waveform that exceeds the VDD and VSS voltages (indicated by a broken

line in figure 22) is clipped by clamping diodes built into the 50/60 Hz INPUT pin, and the actual waveform

becomes that shown in figure 22.

Figure 21 Recommended Circuit for AC Waveform Input

Figure 22 AC Input Waveform

No. 4659-28/34

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相關代理商/技術參數	參數描述
LC85A	制造商:MICROSEMI 制造商全稱:Microsemi Corporation 功能描述:TRANSIENT ABSORPTION ZENER
LC86104	制造商:未知廠家制造商全稱:未知廠家功能描述:
LC86104A	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:168bytes RAM 8-BIT SINGLE CHIP MICROCOMPUTER
LC86104C	制造商:SANYO 制造商全稱:Sanyo Semicon Device 功能描述:On-chip 168 Bytes RAM 8-BIT SINGLE CHIP MICROCOMPUTER
LC86108	制造商:未知廠家制造商全稱:未知廠家功能描述:

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