BD3870FS-E2 Rohm Semiconductor, BD3870FS-E2 Datasheet - Page 3

• Manufacturer Part Number: BD3870FS-E2
• Description: IC SOUND PROCESSOR SSOP-A24
• Manufacturer: Rohm Semiconductor
• Series: -r
• Type: Audio Processorr

Specifications of BD3870FS-E2

• Applications: Audio Systems
• Mounting Type: Surface Mount
• Package / Case: 24-SOP
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

●Timing chart
BD3870FS,BD3871FS,BD3872FS,BD3873FS
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www.rohm.com
1) Signal Timing Conditions
2) Voltage Conditions for Control Signals
・Data is read on the rising edge of the clock.
・Latch is read out on the falling edge of the clock.
・Latch signal must end with the LOW state.
・To avoid malfunctions, clock and data signals must terminate with the LOW state.
1byte=10bit
Minimum Clock Width
Minimum Data Width
Minimum Latch Width
Data Set-up Time (DATACLK)
Data Hold Time (CLKDATA)
Latch Set-up Time (CLKLATCH)
Latch Hold Time (DATALATCH)
Latch Low Set-up Time
Latch Low Hold Width
“H” Input Voltage
“L” Input Voltage
(CLOCK)
DATA
LATCH
SI
SC
Parameter
Parameter
90%
tsu
DATA
90%
twd
90%
thd
twc
10%
Symbol
Tw1
Twh
Twc
Thd
Th1
twd
Tsd
Ts1
ts
Ts
Min.
2.2
0
10%
twh
90%
3/15
Fig.1
10%
th
Min.
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
2.0
twc
Limits
Typ.
-
-
tsd
90%
Limits
Typ.
DATA
-
-
-
-
-
-
-
-
-
10%
90%
(≦Vcc)
thd
Max.
5.5
1.0
Max.
10%
-
-
-
-
-
-
-
-
-
ts1
90%
LATCH
Unit
Unit
10%
90%
µs
µs
µs
µs
µs
µs
µs
µs
µs
tw1
V
V
th1
End with Low
Vcc=4.5 to 9.5V
Vcc=4.5 to 9.5V
90%
Technical Note
2010.10 - Rev.A
Condition