SAA7197P Ver la hoja de datos (PDF) - Philips Electronics
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SAA7197P Datasheet PDF : 16 Pages
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Philips Semiconductors
Clock Generator Circuit for desktop video systems (CGC)
Product specification
SAA7197
handbook, full pagewidth
V DDA
V DDD
power-on
LFCO
oscillation
oscillation disturbed
+3.5 V
0V
RESN
LLCA
LLCB
LLC2A
LLC2B
td
normal
operation
td
normal
operation
clock HIGH
during
internal reset
reset
time
PLL lock-on
power failure
starts a new
reset procedure
Fig.4 Reset procedure.
MEH467
handbook, full pagewidth
1
2
16
19
MS
CE
LFCOSEL
LFCO2
11
LFCO
VDDD
VSSD
August 1996
Fig.5 Internal circuit.
8
7
VDDD 10
14
15
20
LLCA
LLCB
LLC2A
LLC2B
CREF
VSSD
VDDD
12
RESN
VSSD
MEH469
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