SM5843A×1
AC Electrical Characteristics
Input Clock (XTI)
Crystal oscillator
fs = 384fs (CKSLN = HIGH): V = 4.5 to 5.5 V, V = 0 V, T = −20 to 80 °C
DD
SS
a
Rating
typ
Parameter
Oscillator frequency
Symbol
Unit
min
2.0
max
f
–
21.2
MHz
OSC
fs = 256fs (CKSLN = LOW): V = 4.75 to 5.25 V, V = 0 V, T = −20 to 70 °C
DD
SS
a
Rating
typ
Parameter
Oscillator frequency
Symbol
Unit
min
max
f
1.0
–
14.2
MHz
OSC
External clock input
fs = 384fs (CKSLN = HIGH): V = 4.5 to 5.5 V, V = 0 V, T = −20 to 80 °C
DD
SS
a
Rating
Parameter
Symbol
Unit
min
typ
–
max
250
250
500
Clock HIGH-level pulsewidth
Clock LOW-level pulsewidth
Clock pulse cycle time
t
20
20
47
ns
ns
ns
CWH
t
–
CWL
t
–
XI
fs = 256fs (CKSLN = LOW): V = 4.75 to 5.25 V, V = 0 V, T = −20 to 70 °C
DD
SS
a
Rating
Parameter
Symbol
Unit
min
30
typ
–
max
500
Clock HIGH-level pulsewidth
Clock LOW-level pulsewidth
Clock pulse cycle time
t
ns
ns
ns
CWH
t
30
–
500
CWL
t
70
–
1000
XI
VlH1
0.5VDD
VlL1
XTI
tCWL
tCWH
tXI
NIPPON PRECISION CIRCUITS—7
NPC [ NIPPON PRECISION CIRCUITS INC ]
