SM9103M Datasheet, PDF (10/14 Pages) Nippon Precision Circuits Inc – DVDRAM Head Amplifier LSI

SM9103M
Serial Interface Characteristics
V_CC = 5 V ± 5%, GND = 0 V, T_a = 0 to 70 °C
Parameter
Rating
Symbol
Condition
Unit
min
typ
max
SCLK pulse cycle
SCLK HIGH-level pulsewidth
SCLK LOW-level pulsewidth
SENB setup time
SENB hold time
SDATA setup time
SDATA hold time
ACK setup time¹
ACK hold time¹
SENB interval
t_cySCK
t_whSCK
t_wlSCK
t_sSEN
t_hSEN
t_sSDA
t_hSDA
t_sACK
t_hACK
t_inSEN
100
–
40
–
40
–
20
–
40
–
15
–
15
–
0
–
–
–
100
–
–
ns
–
ns
–
ns
–
ns
–
ns
–
ns
–
ns
20
ns
50
ns
–
ns
1. ACK is the acknowledge output (n-channel open-drain). LOW-level output when the data received is valid.
SDATA load capacitance is 15 pF.
SENB
SCLOCK
SDATA
Controller
SDATA
Port
tsSEN twhSCK twlSCK
tcySCK
tsSDA thSDA
bit 0
bit 1
LSB
tinSEN
bit 15
MSB
thSEN
tsACK
thACK
ACK
High Impedance
NIPPON PRECISION CIRCUITS—10