BD3811K1 Rohm Semiconductor, BD3811K1 Datasheet - Page 7

• Manufacturer Part Number: BD3811K1
• Description: IC SOUND PROCESSOR 8CH 80QFP
• Manufacturer: Rohm Semiconductor
• Type: Sound Processorr

Specifications of BD3811K1

• Applications: Home Theater
• Mounting Type: Surface Mount
• Package / Case: 80-QFP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

●Timing chart
BD3811K1,BD3818KS
© 2010 ROHM Co., Ltd. All rights reserved.
www.rohm.com
1. Signal Timing Conditions
2. External Mute (Pin48) Voltage (BD3811K1)
3. Voltage Conditions for Control Signals
・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.
Minimum Clock Width
Minimum Data Width
Minimum Latch Width
LOW Hold 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 Time
Volume Mute OFF
Volume Mute ON
“H” Input Voltage
“L” Input Voltage
* To avoid malfunctions, clock and data signals must terminate with the LOW state.
Parameter
Parameter
(CLOCK）
DATA
LATCH
DA
CL
Parameter
90%
Min.
2.2
0
DATA
90%
twd
Min.
2.2
BD3811K1
0
90%
thd
Typ.
－
－
twc
10%
Symbol
(Vcc)
Max.
ts
twc
twd
twh
tsd
thd
twl
5.5
1.0
thl
tsl
ts
th
10%
twh
90%
Limits
Limits
Typ.
－
－
10%
th
Fig.1
Min.
3.0
Min.
0
7/17
2.0
2.0
2.0
2.0
1.0
1.0
1.0
1.0
1.0
1.0
twc
BD3818KS
tsd
90%
Typ.
DATA
Max.(Vcc)
Limits
－
－
Typ.
10%
90%
-
-
-
-
-
-
-
-
-
-
1.0
5.5
thd
(Vcc)
Max.
5.5
1.5
10%
Max.
-
-
-
-
-
-
-
-
-
-
tsl
90%
LATCH
Unit
Unit
10%
90%
twl
V
V
V
Unit
µS
µS
µS
µS
µS
µS
µS
µS
µS
µS
thl
Vcc=5 to 7.3V
VEE=-5 to -7.3V
Vcc=5 to 7.4V
VEE=-5 to -7.4V
90%
Terminate
with LOW
Conditions
Conditions
Technical Note
2010.06 - Rev.A