MOSEL VITELIC
1
PID224B 04/95
MSSI121/241/241B
INSTANT VOICE ROM
Features
Single power supply can operate at 2.4V
through 6V.
Current output can drive 8 ohm speaker with a
transistor, Vout can drive buzzer directly.
The voice content is stored for 7-12 seconds for
SI121 ( 13-24 for SI241/241B ) including mute
and is single section / phrase and single trigger.
Automatic power down.
A phrase is composed of repetitive sections.
Interrupt function (INTP) stops the audio output
at once.
An LED function with 3Hz flash is provided to
tell the audio status.
Repeat pin was provided to keep audio output
repeating.
Built-in power on play function and is
programmable.
Programmable option for either Retrigger or not.
Programmable option for either Level or Edge
trigger type.
Programmable option for either Holdable or
Unholdable output type.
Programmable option for repeat times up to 8
times.
Programmable option for either LED display or
STOP pulse on LED/STP pin.
SI121 can be programmed by MSM9159,
MSM9156, MSM9140 & MSM9139.
SI241/241B can be programmed by MSM9159,
MSM9140.
Block Diagram
CLOCK
GENERATOR
CONTROL
LOGIC
TG
INTP
REP
LED/STP
OSC
TIMING
GENERATOR
ADDRESS
GENERATOR
VOICE
ROM
TRIGGER
TABLE
MPCM
DECODER
CURRENT
BUFFER
BUZZER
BUFFER
C
OUT
V
OUT1
V
OUT2
V
DD
V
SS
A STOP pulse comes out when audio signal is
finished.
CDS input interface with 10ms debounce is
provided for trigger pin, REP pin and INTP pin.
MOSEL VITELIC
Pad Description
2
PID224B 04/95
MSSI121/241/241B
DC Characteristics
Pad No.
Signal Name
Function
1
2
3
4
5
6
7
V
DD
OSC
REP
V
SS
V
OUT1
Positive power supply
Oscillator Resistor input
Negative power supply
I/O
I
O
Power
INTP
LED/STP
C
OUT
I
Power
8
9
10
V
OUT2
O
O
I
Audio signal voltage output (for buzzer)
Audio signal voltage output (for buzzer)
LED signal output / One shot stop signal output
Audio signal current output (for speaker)
Repeat pin, high active
Interrupt input, internal pull low, high active
I
O
TG
Trigger input, internal pull low, high active
CLK
I
Clock for programming
11
Description
The MSSI121/241/241B is an one time programmable CMOS VLSI ASIC that can memorize voice for 7-12
/ 13-24 seconds using 6-bit MOSEL qualified coding method (MPCM). Most of the necessary circuit are
built in like oscillator, ROM, DAC and interface logic. Versatile functions can be performed with minimum
external components. Customer voice data will be edited and built in by MOSEL writer in an instant time
base.
V = 3.0V, S.R. = 6KHz
Symbol
Parameter
Min.
Max.
Typ.
Unit
Condition
I
I
I
I
Supply
Current
Stand by
Operating
O/P Current
V
,V
Output Current (C )
Drive
Sink
A
V = 4.5V, I/O Open
DD
SB
OP
OH
OL
OUT1
OUT2
-12
12
1
500
mA
mA
I
CO
DD
V = 0V
O/P
V = 4.5V,
V = 4.5V
O/P
V = 4.5V,
DD
V
V
Input Voltage
IH
IL
+0.3
V
DD
V = 4.5V
TG, INTP, REP
OUT
6
I
Output Current STP
OH
-5
+5
mA
I
LED
V = 0V
O/P
V = 4.5V,
DD
V = 4.5V
O/P
V = 4.5V,
DD
V = 4.5V
DD
4
4.5
-0.3
0
I
OL
Output Current LED
0
12
mA
V =4.5V, V -V =2V
DD
DD
O/P
depend on programmed data
%
Input Leakage current
10
A
V = 4.5V
DD
DD
V = 4.5V, R
OSC
= 1.2M
F/F
Fosc Variation
10
F/F
Frequency Stability
5
%
F
OSC
(4.5V) - F
OSC
(4V)
F
OSC
(4.5V)
I LK
5
I
I
O/P Current
V
,V
Drive
Sink
OH
OL
OUT1
OUT2
-11
11
mA
DD
V = 0V
O/P
V = 4.5V,
V = 4.5V
O/P
V = 4.5V,
DD
V = 3.0V
DD
, Full scale
, Full scale
I241
I241B
I241B
I241
4
7.5
"
"
1100
770
1200
850
DD
V = 3.0V, S.R. = 8KHz
DD
V = 4.5V, S.R. = 6KHz
DD
V = 4.5V, S.R. = 8KHz
DD
K
R1
Oscillation Resistor
V = 3.0V, S.R. = 6KHz
910
660
970
700
DD
V = 3.0V, S.R. = 8KHz
DD
V = 4.5V, S.R. = 6KHz
DD
V = 4.5V, S.R. = 8KHz
DD
I241B
I121
I241
MOSEL VITELIC
MSSI121/241/241B
I. Edge/Unholdable / Irretrigger Option
TG
AUDIO
LED
II. Level/Unholdable / Irretrigger Option
Timing Diagram
3
PID224B 04/95
TG
AUDIO
LED
Phrase
STOP
STOP
III. Edge/Holdable Trigger Mask
TG
AUDIO
LED
STOP
IV. Level/Holdable Trigger Option
TG
AUDIO
LED
STOP
Absolute Maximum Rating
C
Symbol
T (Operating)
T (Storage)
V ~ V
DD
SS
V
IN
V
OUT
Rating
-0.5 ~ +7.0
-10 ~ +60
-55 ~ +125
V -0.3 < V < V +0.3
SS
IN
DD
V <V < V
OUT
SS
DD
Unit
V
V
V
C
AC Characteristics
Pin Configurations
Phrase
Phrase
Phrase
Phrase
Phrase
Phrase
Phrase
Phrase
Phrase
Phrase
Phrase
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VDD
OSC
CLK
COUT
INTP
REP
VSS
TG
NC
NC
VOUT2
VOUT1
LED / STP
NC
300 MIL P DIP
Timing
T
Trigger pulse width
Min
.
Max
.
STOP
Stop pulse
Typ
.
Unit
ms
ms
T
T
20
10
Phrase
MOSEL VITELIC
MSSI121/241/241B
4
PID224B 04/95
TG
AUDIO
T
T
VII. DEBOUNCE TIME
V.Interrupt Pin Function ( LED Or Stop )
TG
AUDIO
Interrupt
STOP
Phrase
Phrase
Phrase
VI. Repeat Pin Function
TG
AUDIO
LED
REP
STOP
Phrase
Phrase
Phrase
Phrase
LED
Application Circuit
1. Typical Application
R2
S
R1
3
5
6
7
9
10
11
1
2
V
DD
OSC
V
SS
TG
V1
V2
LED
REP
INTP
C
OUT
T
MSSI121
MSSI241
MSSI241B
Pad size = 125um X 125 um
Pad
No.
Designation
Note: Substrate is VSS
V
OSC
CLK
COUT
INTP
REP
LED/STP
VOUT1
VOUT2
TG
VSS
DD
X
Y
-953.3
-1182.3
-1408.3
-1404.8
-752.7
-224.9
1089.7
1408.3
1418
1329
1092
1415.3
1413.9
-1153.4
-142.5
-1417.2
-1415
-1417.2
-1327.9
-1117.5
1423.6
1440.1
X
Y
-935.3
-1182.3
-1408.3
-1386.4
-750.6
-224.9
1091.8
1408.3
1418
1329
1092
2170.7
2169.3
1908.4
-2180
-2170
-2170
-2170
-2082.8
-1872.6
2170
2195.7
I121
I241
DIE SIZE: 3210um X 3290um (I121)
3210um X 4800um (I241)
2750um X 4340um (I241B)
1
2
3
4
5
6
7
8
9
10
11
X
Y
-795
-1005
-1199.6
-1175.9
-632.1
-191.2
928
1199.6
1207.8
1132.2
928.2
1960.7
1959.6
-1729.2
-1965.2
-1959.2
-1959.2
-1959.2
-1887.7
-1703.9
1965.3
1982
I241B
MOSEL VITELIC
5
PID224B 04/95
2. Cascade Application (To get longer than 12/24 seconds)
VDD
VSS
OSC
R1'
T
S
COUT
VDD
VSS
OSC
R1
COUT
STP
TG
TG
3. CDS Application
VDD
VSS
TG
OSC
R1
T
S
COUT
MSSI121/241/241B
MOSEL
NO. 1, Creation Rd. 1, Hsinchu Science-Based Industrial Park, Hsinchu, Taiwan, R.O.C.
TEL:886-3-578-3344 FAX:886-3-577-2788
3910 North First Street San Jose. CA. 95134-1501 U.S.A.
TEL:1-408-433-6000 FAX:1-408-433-0952
TMA
M
u
u
G
886-3-5784732
Note: 1. R1 = 1.2 M
, T(transistor) = > 130, S(speaker) = 1/4 w, 8
; all typical.
2. R2 = 470
( typical ) to bypass extra current into base to get rid of waveform saturation on collector .
3. Piezo buzzer resonant frequency is around 1K Hz.
4. Input switch could be replaced by CDS.
5. VOUT1,VOUT2 are tristate during stand by .
6. If using MSM9159 writer, use its new version MSM9159B to program MSSI121/241/241B chips. Do not
use the old version MSM9159 writer. The difference between two version of writer should refer to its
data sheet ( PID 330B ).
7. Power on play function plays only one time regardless the number to repeat.
4. Equivalent to Level type trigger under "Edge option"
VDD
VSS
COUT
TG
OSC
R1
T
S
REP
INTP
INTP
R2
R2
R2
you have to avoid these two chips play at the same time, it
might danger the speaker
PDF 
ZIP