BU2618 Просмотр технического описания (PDF) - ROHM Semiconductor

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производитель

BU2618

PLL frequency synthesizer for tuners

ROHM Semiconductor 

Audio ICs

S Frequency counter and unlock detection

(1) When CT = 1: Frequency count and unlock detection are carried out.

BU2618FV

(2) When CT = 0 and GT = 1: Only unlock detection is carried out.

S Explanation of CD

When frequency measurement or unlock detection is fin-

ished, the CD terminal goes to LO to indicate that the

count and unlock detection have finished. It also syn-

chronizes with CK to output counter data. When the next

data is input, it goes to HI.

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