SAA4945H/V1 データシートの表示（PDF） - Philips Electronics
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SAA4945H/V1 Datasheet PDF : 20 Pages
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Philips Semiconductors
LIne MEmory noise Reduction IC
(LIMERIC)
BLOCK DIAGRAM
Preliminary specification
SAA4945H
handbook, full pagewidth
VDD1
5
VDD2 VDD3
29
30
UI0, UI1
VI0, VI1
16, 15
18, 17 REFORMATTER
14 to 7
8
YI0 to YI7
8
NOISE
REDUCTION
FILTER
RAM_UV
∆t
(MULTIPLEXED)
N_thr_UV
NOISE
REDUCTION
FILTER
RAM_Y
N_thr_Y N_thr_UV
NOISE
ESTIMATOR
SAA4945H
internal
control
signals
FORMATTER
36, 37
34, 35
UO0, UO1
VO0, VO1
38 to 44, 1
YO0 to
YO6, YO7
26
TEST
25
CONTROL
24
TST0
TST1
TST2
SNERT
INTERFACE
2 34
SDNA
VRST
SNCL
CONTROL
19 21 22
31
33
6 20 23 27 28 32
WEO
n.c.
CLK Va
GND2 GND4 GND6
WEI
GND1 GND3 GND5
MGK170
1997 Jun 10
Fig.1 Block diagram.
3
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