SM8224B
Timing Characteristics
FSK decoder
V
DD
= 5.0V ± 0.5V, GND = 0V, f
CLK
= 3.579545MHz, T
a
=
−
20 to 85
°
C unless otherwise noted.
Rating
P arameter
Pow er-down release to start-up time
Carrier detection ON time
Final data to carrier detection OFF time
Symbol
t
D O S C
t
D A Q
t
D C H
Condition
min
–
2.5
3
typ
5
–
–
max
–
10
15
ms
ms
ms
Unit
Output timing)
V
DD
= 5.0V ± 0.5V, GND = 0V, f
CLK
= 3.579545MHz, T
a
=
−
20 to 85
°
C, FSK input data = 1200 ± 12 baud
unless otherwise noted.
Rating
P arameter
S T R , DOUT rise time
S T R , DOUT fall time
Input/output delay
DOUT data rate
Symbol
t
r0
t
f0
t
I D D
Input to DOUT
Condition
min
–
–
–
1188
typ
–
–
–
1200
max
200
200
5
1212
ns
ns
ms
baud
Unit
NIPPON PRECISION CIRCUITS—7
NPC [ NIPPON PRECISION CIRCUITS INC ]
