BU9718KV Просмотр технического описания (PDF) - ROHM Semiconductor
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BU9718KV Datasheet PDF : 10 Pages
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Standard ICs
BU9718KV
•AC characteristics (unless otherwise noted, Ta = 25°C, VDD = 2.7V to 3.5V, VSS = 0V)
Parameter
Symbol Min.
Guaranteed oscillation range
fOSC
10
Operating frequency
fOSC
—
Data set-up time
tDS
200
Data hold time
tDH
200
CS set-up time
tCS
200
CS hold time
tCH
200
CK "H" level pulse width
tCKH
200
CK "L" level pulse width
tCKL
200
Rise time
tr
—
Typ.
38
—
—
—
—
—
—
—
—
Max.
80
100
—
—
—
—
—
—
100
Unit
Conditions
kHz C = 1000pF R = 47kΩ
kHz External input
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
ns
—
Fall time
tf
—
—
100
ns
—
Pin
OSC
OSC
CK, DI
CK, DI
CS, CK
CS, CK
CK
CK
CS, CK, DI
CS, CK, DI
AC timing waveform
(1) When CK is stopped at “L”
0.8VDD
CS
tCS
tCKH
tCKL
0.8VDD
0.8VDD
0.5VDD
0.5VDD
0.2VDD
CK
tDS
tDH
tr
tf
DI
(2) When CK is stopped at “H”
0.8VDD
CS
tCS
Fig.1
tCKH
tCKL
0.8VDD
CK
0.2VDD
0.5VDD
0.5VDD
0.2VDD
tDS
tDH
tr
tf
DI
Fig.2
0.2VDD
tCH
tCH
0.2VDD
4
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