SM4712 Nippon_Precision_Circuits America, SM4712 Datasheet - Page 10

• Manufacturer Part Number: SM4712
• Description: DVD RAM Head Amp ic
• Manufacturer: Nippon_Precision_Circuits America

Serial Interface Characteristics
V
1. ACK is the acknowledge output (n-channel open-drain). LOW-level output when the data received is valid.
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 time
ACK hold time
SENB interval
CC
SDATA load capacitance is 15 pF.
SCLOCK
= 5 V ± 5%, GND = 0 V, T
Controller
SDATA
SDATA
SENB
Port
1
1
Parameter
tsSEN twhSCK twlSCK
tsSDA thSDA
tcySCK
bit 0
LSB
a
= 0 to 70 C
bit 1
Symbol
t
t
t
whSCK
t
t
t
t
t
cySCK
wlSCK
t
t
inSEN
sSEN
hSEN
hSDA
hACK
sSDA
sACK
SM9103M
Condition
bit 15
MSB
min
100
100
40
40
20
40
15
15
0
–
tsACK
ACK
High Impedance
NIPPON PRECISION CIRCUITS—10
Rating
thSEN
typ
–
–
–
–
–
–
–
–
–
–
thACK
tinSEN
max
20
50
–
–
–
–
–
–
–
–
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns