SM8213AM
AC Characteristics
Recommended operating conditions unless otherwise noted
Parameter
Symbol
Condition
XT clock frequency
XT clock duty cycle
SCK clock pulsewidth
SCK clock interval
(except WRITE mode)
SCK clock interval (WRITE mode)
SDI data setup time
SDI data hold time
SDO data setup time
SDO data hold time
ATTN data setup time
ATTN data hold time
CLKO clock rise time
CLKO clock fall time
CLKO clock delay time
RSTN pulsewidth
f CYXT
D XT
t PWSC
tCYSC
t CYSC
t SSDI
t HSDI
t SSDO
t HSDO
t SATT
t HATT
t RCLK
t FCLK
D CLKO
t PWRS
512 bps
1200 bps
2400 bps
No load
No load
Rating
Unit
min
typ
max
−250 ppm
76.8
+250 ppm
kHz
25
–
75
%
2
–
150
µs
5
–
1900
5
–
830
µs
5
–
415
5
–
830
µs
1
–
–
µs
1
–
–
µs
3
–
–
µs
–
–
0
µs
0
–
–
µs
1
–
–
µs
–
–
500
ns
–
–
500
ns
–
–
1
µs
1
–
–
ms
Parameter/address set timing
ATTN
SCK
SDI
tHATT
tPWSC
1
tSSDI
tHSDI
INPUT
DATA 1
tCYSC
2
INPUT
DATA 2
3
INPUT
DATA 3
32
INPUT
DATA 32
1/ 2*VDD
Auxiliary operating mode set timing
ATTN
SCK
SDI
Decoder Mode
tHATT
tPWSC
1
tSSDI
tHSDI
Decoder
Setting1
2
Decoder
Setting 2
tCYSC
Current Mode
START command : 66 bit time max
Others : 2 bit time max
8
1/ 2*VDD
Decoder
Setting 8
Next Mode
NIPPON PRECISION CIRCUITS—5