SM5849BF
Microcontroller interface (MCK, MDT, MLEN)
Parameter
MCK LOW-level pulsewidth
MCK HIGH-level pulsewidth
MDT setup time
MDT hold time
MLEN LOW-level pulsewidth
MLEN HIGH-level pulsewidth
MLEN setup time
MLEN hold time
Symbol
t MCWL
tMCWH
tMDS
tMDH
tMLWL
tMLWH
tMLS
tMLH
Rating
Unit
min
typ
max
50
–
–
ns
50
–
–
ns
50
–
–
ns
50
–
–
ns
50
–
–
ns
50
–
–
ns
50
–
–
ns
50
–
–
ns
MDT
MCK
MLEN
tMDS
tMCWL
tMDH
tMCWH
tMLS
tMLWL
tMLH
tMLWH
0.5VDD
0.5VDD
0.5VDD
Reset input (RSTN)
Parameter
First HIGH-level pulsewidth after supply ON
RSTN pulsewidth
Note: tCY is the system clock input cycle time.
tRST = approximately 3.8µs when tCY = 59ns.
Symbol
tHRST
tRST
VDD
RSTN
tHRST
Rating
Unit
min
typ
max
–
640
–
tCY
64
–
–
tCY
tRST
SEIKO NPC CORPORATION —9