lc72135m Sanyo Semiconductor Corporation, lc72135m Datasheet - Page 19
lc72135m
Manufacturer Part Number
lc72135m
Description
Pll Frequency Synthesizer For Electronic Tuning
Manufacturer
Sanyo Semiconductor Corporation
Datasheet
1.LC72135M.pdf
(24 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LC72135M
Manufacturer:
SANYO
Quantity:
102
Part Number:
LC72135M
Manufacturer:
SANYO/三洋
Quantity:
20 000
Part Number:
lc72135m-D-TLM-E
Manufacturer:
SANYO/三洋
Quantity:
20 000
Part Number:
lc72135m-Q-TLM-E
Manufacturer:
SANYO/三洋
Quantity:
20 000
Part Number:
lc72135m-TBB
Manufacturer:
SANYO/三洋
Quantity:
20 000
Company:
Part Number:
lc72135m-TLM
Manufacturer:
SANYO
Quantity:
3 333
Unlock Detection Timing
1. Unlock Detection Determination Timing
Unlocked state detection is performed in the reference frequency (fref) period (interval). Therefore, in principle,
unlock determination requires a time longer than the period of the reference frequency. However, immediately after
changing the divisor N (frequency) unlock detection must be performed after waiting at least two periods of the
reference frequency.
For example, if fref is 1 kHz, i.e., the period is 1 ms, after changing the divisor N, the system must wait at least 2 ms
before checking for the unlocked state.
Figure 1 Unlocked State Detection Timing
Figure 2 Circuit Structure
LC72135M
No. 5175-19/24