BD3812F_1 Datasheet, PDF (3/10 Pages) Rohm – 2ch Electronic Volume

BD3812F
●Timing chart
1) Signal timing conditions
・Data is read on the rising edge of the clock.
・Latch is read on the falling edge of the clock.
・Latch signal must terminate with the LOW state.
* To avoid malfunctions, clock and data signals must terminate with the LOW state.
Technical Note
CL
(CLOCK)
90%
90%
90%
twc
twc
10%
10%
90%
10%
DA
DATA
LATCH
thd
ts
th
tsd
thd
tsl
thl
90%
twd ^90%
DATA
10%
twh
10%
90%
DATA
Fig.1
90% _twl
10% ^LATCH
90%
Terminate
with Low.
Parameter
Minimum clock width
Minimum data width
Minimum latch width
LOW hold width
Data setup time
(DATA→CLK)
Data hold time(CLK→DATA)
Latch setup time(CLK→LATCH)
Latch hold time(DATA→LATCH)
Latch low setup time
Latch low hold time
Symbol
Min.
twc
2.0
twd
2.0
twl
2.0
twh
2.0
tsd
1.0
thd
1.0
tsl
1.0
thl
1.0
ts
1.0
th
1.0
Limits
Typ.
－
－
－
－
－
－
－
－
－
－
Unit
Max.
－
µs
－
µs
－
µs
－
µs
－
µs
－
µs
－
µs
－
µs
－
µs
－
µs
2) Voltage conditions for control signal
Parameter
Condition
“H”input voltage
“L” input voltage
Vcc=5～7.3V
VEE=-5～-7.3V
Limits
Unit
Min.
Typ.
Max.(≦Vcc)
2.2
－
5.5
V
0
－
1.0
V
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2010.06 - Rev.A