SM8222 Nippon Precision Circuits Inc, SM8222 Datasheet - Page 10

• Manufacturer Part Number: SM8222
• Description: Caller ID Service IC with Call Waiting
• Manufacturer: Nippon Precision Circuits Inc

Output timing circuit: mode 1
V
V
DCLK rise time
DCLK fall time
Duty
Frequency
DCLK to DR setup time
DR to DCLK hold time
DCLK rise time
DCLK fall time
Duty
Frequency
DCLK to DR setup time
DR to DCLK hold time
DD
DD
SM8222A
SM8222B
= 3.0 ± 0.3 V, GND = 0 V, f
= 5.0 ± 0.5 V, GND = 0 V, f
P arameter
P arameter
CLK
CLK
S y m b o l
S y m b o l
f
f
DCLK1
DCLK1
t
t
t
t
DDH
DDH
DDS
DDS
t
t
t
t
r1
r1
f1
f1
= 3.579545 MHz, T
= 3.579545 MHz, T
DCLK
DCLK
DCLK
DCLK
DCLK
DR
DCLK
DCLK
DCLK
DCLK
DCLK
DR
SM8222A/B
DCLK
DCLK
Condition
Condition
DR
DR
a
a
= 20 to 85 C
= 20 to 85 C
m i n
m i n
500
500
500
500
30
30
–
–
–
–
–
–
NIPPON PRECISION CIRCUITS—10
Rating
Rating
typ
typ
–
–
–
–
–
–
–
–
–
–
–
–
m a x
TBD
TBD
m a x
TBD
TBD
70
70
1
–
–
1
–
–
MHz
MHz
Unit
Unit
ns
ns
%
ns
ns
ns
ns
%
ns
ns