MSS0271 Datasheet PDF - Mosel Vitelic

www.Datasheet-PDF.com

MSS0271
Mosel Vitelic

Part Number MSS0271
Description 2.7 VOICE ROM
Page 12 Pages


MSS0271 datasheet pdf
Download PDF
MSS0271 pdf
View PDF for Mobile


No Preview Available !

MOSEL VITELIC INC.
May 1997
Preliminary
MSS0271
2.7" VOICE ROM
Features
Single power can operate at 2.4 V through 6 V.
Current output can directly drive either buzzer or
speaker without a transistor.
Built-in Oscillating Resistor.
Single section, 2.79 seconds (4380h).
Speech with mute (behind) is up to 21.1 seconds
(20000h).
Repeat function that can repeat up to 8 times.
To turn on LED in sink connection.
www.DataSheet4U.Acoumtomatic power down.
CDS interface is provided.
Mask options
Either level or edge trigger type at pin TG.
Either LED flasher or BUSY output at pin LED/BZ.
Either 6200Hz or 8400Hz S.R. for built-in Rosc.
Either holdable output or not.
Either retriggerable output or not.
Either fixed or dynamic type on LED flasher.
Either 3Hz or 6Hz LED fixed flasher, (S.R. dependent).
Either Fast or Slow debounce time.
General Description
The MSS0271 is a single-chip CMOS LSI demands minimal external components and memorizes voice up to 2.88
seconds (at 6 KHz S.R.) using the MOSEL qualified coding method (MPCM-4). The chip contains most of the
necessary circuit like oscillator, PLA, D/A converter, buzzer buffer, control and timing logic. Therefore, it can apply
to various voice systems with minimum external parts. Customer speech data will be edited and programmed into
PLA by changing one mask during the device fabrication.
Block Diagram
Vdd
OSCILLATOR
IN1
IN0
TG
ADDRESS
GENERATOR
PLA
CONTROL LOGIC
VSS
D/A SP1
SP2
LB
Specifications subject to change without notice, contact your sales representatives for the most recent information.
1/12
PID257*** 05/97



No Preview Available !

MOSEL VITELIC INC.
Preliminary
MSS0271
Pad Description
P20 COB P28 COB
pin #
pin #
Pad# Symbol Active i/o Names
1
3
5
7
14
15
www.DataSheet4U.com16
17
18
1 1 TG high i trigger to play sound, internal pull low
3 2 LB
o LED flasher output or high true Busy signal output
7 3 IN0
i input control 0
11 4 IN1
i/o input control 1
19 5 NC
no connection
21 6 SP2
o speaker drive 2
23 7 Vss
ground
24 8 SP1
o speaker drive 1
26 9 Vdd
positive power supply
Absolute Maximum Rating
Symbol
VDD ~ VSS
VIN (TG)
VOUT (STP)
T (Operating)
T (Storage)
Rating
-0.5 ~ +7.0
VSS -0.3 < V IN < VDD+0.3
VSS <VOUT < VDD
-10 ~ +60
-55 ~ +125
Unit
V
V
V
C
C
Operation beyond Absolute Maximal Rating can adversely affect
device reliability
Operating Conditions
FOSC Characteristics
8000
Max
6000
Min
4000
2000
Hz
2.0 3.0
Mask = 6200Hz
4.0
5.0
Symbol
TA
VCC
SR
Description
Ambient temperature under bias
supply voltage
sample rate
Min.
-10
2.4
typ.
6200
Max
60
6.0
Unit Remarks
C
V
Hz or 8400
6700
5500
6.0
Vdd
AC Characteristics at 4.5 V, 6200 Hz SR
Symbol
T T1
T T2
T PUD
T THLO
T THZH
T THAS
T TLLF
T TLZL
T THAE
T AELF
T AEZL
T IWR1
T IWR2
T LED3
T LED6
TP
TR
Parameter
trigger pulse width
trigger pulse width
power up delay
trigger high to LED on
trigger high to busy high
trigger high to audio start
trigger low to LED off
trigger low to busy low
trigger low to audio end
audio end to LED off
audio end to busy low
interval when repeat
interval when repeat
LED on time at 3 Hz
LED on time at 6 Hz
power rise up time
power ripple width
Valid
TG
TG
Vdd, TG
TG, LED
TG, BUSY
TG, SPs
TG, LED
TG, BUSY
TG, SPs
TG, LED
TG, BUSY
SPs
SPs
LED
LED
Vdd
Vdd
Min.
typ. Max Unit Remarks
5 mS slow debounce time, SRD
1 uS fast debounce time, SRD
0 uS
uS mask = edge, SRD
uS mask = edge, SRD
uS mask = edge, SRD
0 uS mask = level, SRD
0 uS mask = level, SRD
0 uS mask = level, SRD
0 uS holdable output, SRD
0 uS holdable output, SRD
0 uS inside sentence
322 uS between sentences, SRD
161 mS SRD
81 mS SRD
1 mS
1 mS
Specifications subject to change without notice, contact your sales representatives for the most recent information.
2/12
PID257*** 05/97



No Preview Available !

MOSEL VITELIC INC.
Preliminary
MSS0271
DC Characteristics at 4.5 V
Symbol Parameter
I SB standby I
I OP operation I
I IH input high I
I IL input low I
I LED output low I
I OH output high I
I OL output low I
www.DataSheet4U.com
I OHS output high drive I
I OLS output low sink I
I LEDT threshold sound to furn LED on
R TG pull low R
d F/F frequency stability
d F/F frequency variation
Valid
Vdd
Vdd
TG
TG
LED
BUSY
BUSY
SPs
SPs
TG
Min.
23
typ.
10
9
-8
8
-90
200
75
Note:A bulk capacitor 0.1uF across the Vdd to Vss is demanded.
Max
1
200
20
2
5
10
Unit
uA
uA
uA
uA
mA
mA
mA
mA
mA
%
Kohm
%
%
conditions
of IOHS
[F(4.5V) - F(4V)] / F(4.5V)
DC Characteristics at 3.0 V
Symbol Parameter
I SB standby I
I OP operation I
I IH input high I
I IL input low I
I LED output low I
I OH output high I
I OL output low I
I OHS output high drive I
I OLS output low sink I
I LEDT threshold sound to furn LED on
R TG pull low R
d F/F frequency stability
d F/F frequency variation
Valid
Vdd
Vdd
TG
TG
LED
BUSY
BUSY
SPs
SPs
TG
Min.
20
typ. Max Unit conditions
1 uA
150 uA
5 15 uA
1 2 uA
8 mA
-3 mA
3 mA
-45 mA
100 mA
75 % of IOHS
Kohm
5 % [F(3V) - F(2.7V)] / F(3V)
10 %
Specifications subject to change without notice, contact your sales representatives for the most recent information.
3/12
PID257*** 05/97



No Preview Available !

MOSEL VITELIC INC.
Preliminary
MSS0271
Signals
SP+ and SP-
They are tristate during standby.
They are not at standby current when the data is in the
middle.
These two pins can drive buzzer or speaker, 8 ohm or
16 ohm, directly. The speaker used should have its
band width (BW) at the center of your sound frequency
domain or you are unable to play your sound good by
this speaker.
For instance, you have your sound spans over
www.DataShfereetq4Uu.ecnomcy from 100 Hz through 10 KHz. A speaker with
BW meets requirement will play this sound good. A
speaker with BW narrower than requirement (either has
higher low-cut or lower high-cutoff) will distort the sound
very much because that most of the energy of the
playback sound is unable to be played by this speaker.
This pair has zero output when sound data is zero. This
pair has full output when sound data is the highest.
This pair has half of full output when sound is silence at
middle data value. This pair has half of full output when
playing sound at appended memory-less mute.
The output depends on Vdd bias very much.
Herein zero output does not mean zero potential,
neither ground.
It is recommended to select voltage source carefully
and do not supply this chip with a voltage potential
source in poor flatness or in poor drive capability.
What the poor source means either its potential drops
as the load varies or its potential drops as its capacity
exhausted.
The speaker characeristics and housing impacts the
loudness very much.
TG
This is a high true activating signal input pin.
internal pull low R TG is built in.
There is no schmit trigger circuit implemented.
An
Ramp up and Ramp down
See the explanation of Audio.
Sample Rate
All the AC parameters depend on sample rate except
three - t PUD, t P and t R. The numbers mentioned in this
data sheet are based on 6 KHz sample rate if not
specified. Higher SR has quicker LED flasher, quicker
response. Lower SR has slower LED flasher, slower
response.
Retriggerable TG
Retriggerable TG means the sound played could be
terminated immediately while further TG activated and
play the sound from the very beginning.
Holdable and retriggerable
This combination allows user controlling both the output
and the input. Its output is holdable and the input could
retrigger the former. This is an exquisite feature. It is not
provided on this single trigger voice chip.
Fix flash LED
Fix 3 Hz flash means this pin turns LED lamp on for T
LED3 and then turns it off for T LED3 alternately. Fix 6 Hz
flash means quicker, it turns on T LED6 and then turns off
T LED6.
The 3 Hz as well as 6 Hz is sample rate dependent.
When repeatedly playing a word, interesting LED flash
may happen in concatenation. The word length may not
be the multiples of T LED3 (or T LED6), a new flash cycle
will start before the last flash cycle terminates.
Dymanic Flash LED
The LED turns on whenever the sound amplitude (the
current from SPs) is over a certain threshold potential (I
LEDT). The sound potential could be measured in data
value as an alternative.
IN0 and IN1
They should be bonded to ground both regularly.
While abnormal lot (pitch shifted) is encountered,
special bonding could be done herein.
LB
This pin could be optionally masked as either high true
Busy signal or LED flasher which is turned on in sink
way by I LED. Refers to paragrahps "Mask option" and
"terms". Up to 3 types of LED flasher could be chosen.
Terms
Audio
Audio means the signal from the pin pair SP+ and SP-.
Due to a sophisticated architecture, there demands no
ramp up (or ramp down) to eliminate the pop noise at
the sound starting and ending.
Debounce time
Either Fast or Slow debounce are provided by mask
options. The Fast debounce acknowledges very short
trigger. So, the sound will play "sensitively". User should
be very carefully to choose trigger switch while "Fast
debounce" is specified.
Application Notes
Speaker
The typical application speaker is 8 ohm, 1/4 watt. Refers
to above paragraph SP+ and SP- for more description on
required speaker.
Buzzer
The recommended resonant frequency should be 1 KHz
to get the best sound response. The response BW also
should be fit to the required sound band width. Refer to
above paragraph SP+ and SP- for more description.
Specifications subject to change without notice, contact your sales representatives for the most recent information.
4/12
PID257*** 05/97



MSS0271 datasheet pdf
Download PDF
MSS0271 pdf
View PDF for Mobile


Related : Start with MSS027 Part Numbers by
MSS0271 2.7 VOICE ROM MSS0271
Mosel Vitelic
MSS0271 pdf

Index :   0   1   2   3   4   5   6   7   8   9   A   B   C   D   E   F   G   H   I   J   K   L   M   N   O   P   Q   R   S   T   U   V   W   X   Y   Z   

This is a individually operated, non profit site. If this site is good enough to show, please introduce this site to others.
Since 2010   ::   HOME   ::   Contact