SM8223A 데이터 시트보기 (PDF) - Nippon Precision Circuits
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SM8223A Datasheet PDF : 15 Pages
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SM8223A
Timing Characteristics
Oscillator
VDD = 3.0V ± 0.3V, GND = 0V, Ta = −20 to 85°C unless otherwise noted.
Parameter
Clock HIGH-level pulsewidth
Clock LOW -level pulsewidth
Clock rise time
Clock fall time
Symbol
tW H
tW L
tr
tf
Condition
Rating
Unit
min
typ
max
110
–
–
ns
110
–
–
ns
–
–
30
ns
–
–
30
ns
FSK decoder
VDD = 3.0V ± 0.3V, GND = 0V, fCLK = 3.579545MHz, Ta = −20 to 85°C unless otherwise noted.
Parameter
Power-down release time
Oscillator start-up time
Mark signal to DV ON time
FSK flag setup time
FSK flag hold time
Input to DOUT delay time
DOUT rise time
DOUT fall time
DOUT data rate
Symbol
tD P D
tD O S C
tD E D
tA F
tA H
tA D D
tD r 0
tD f 0
tD W L / H
Condition
DV = LOW
Rating
Unit
min
typ
max
–
8
–
ms
–
5
–
ms
–
–
3.75
ms
–
–
833
(1/1.2kHz)
µs
–
–
10
ns
–
1
5
ms
–
–
20
ns
–
–
20
ns
1188
1200
1212
baud
DTMF receiver
VDD = 3.0V ± 0.3V, GND = 0V, fCLK = 3.579545MHz, Ta = −20 to 85°C unless otherwise noted.
Parameter
D O U T, DV rise time
D O U T, DV fall time
Signal detection time
Received signal non-detection time
Pause detection time
Pause non-detection time
DV output data delay time
Power-down release time
Oscillator start-up time
DOUT data rate
DTMF flag setup time
Symbol
tD r 0
tD f 0
tR E
tR E
tPA
tP R
tB D D
tD P D
tD O S C
tD W L / H
tA F
Condition
DV
DV
DV
DV
Rating
Unit
min
typ
max
–
–
20
ns
–
–
20
ns
–
–
45
ms
20
–
–
ms
–
–
25
ms
20
–
–
ms
–
–
5
ms
–
8
–
ms
–
5
–
ms
1188
1200
1212
baud
–
–
833
(1/1.2kHz)
µs
NIPPON PRECISION CIRCUITS—6
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