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| MOSEL VITELIC 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. 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. 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 INTP REP V DD V SS TG CONTROL LOGIC LED/STP TIMING GENERATOR ADDRESS GENERATOR VOICE ROM TRIGGER TABLE CLOCK GENERATOR MPCM DECODER CURRENT BUFFER BUZZER BUFFER C OUT V OUT1 V OUT2 PID224B 04/95 OSC 1 MOSEL VITELIC MSSI121/241/241B 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. Pad Description Pad No. 1 2 3 4 5 6 7 8 9 10 11 Signal Name V DD OSC CLK C OUT INTP REP LED/STP V OUT1 V OUT2 TG V SS I/O Power I I O I I O O O I Power Function Positive power supply Oscillator Resistor input Clock for programming Audio signal current output (for speaker) Interrupt input, internal pull low, high active Repeat pin, high active LED signal output / One shot stop signal output Audio signal voltage output (for buzzer) Audio signal voltage output (for buzzer) Trigger input, internal pull low, high active Negative power supply DC Characteristics Symbol ISB IOP VIH VIL IOH IOL IOH IOL I CO IOH IOL ILED I LK Parameter Stand by Supply Current Operating Input Voltage TG, INTP, REP O/P Current Drive VOUT1 ,VOUT2 Sink O/P Current Drive VOUT1 ,VOUT2 Sink Output Current (C OUT ) Output Current STP Output Current LED Input Leakage current Frequency Stability Fosc Variation 1100 770 1200 850 910 660 970 700 2 0 Min. Typ. Max. 1 500 5 +0.3 Unit Condition VDD = 4.5V, I/O Open depend on programmed data VDD = 4.5V VDD = 4.5V, VDD = 4.5V, VDD = 4.5V, VDD = 4.5V, VO/P = 0V VO/P = 4.5V VO/P = 0V VO/P = 4.5V I241 I241B A V mA mA mA mA mA 4 -0.3 4.5 0 -12 12 -11 11 4 6 -5 +5 12 7.5 VDD = 3.0V , Full scale VDD = 4.5V , Full scale VDD = 4.5V, VO/P = 0V VDD = 4.5V, VO/P = 4.5V VDD =4.5V, V DD -V O/P =2V VDD = 4.5V FOSC(4.5V) - FOSC(4V) FOSC(4.5V) VDD VDD VDD VDD VDD VDD VDD VDD VDD = 4.5V, = 3.0V, = 3.0V, = 4.5V, = 4.5V, = 3.0V, = 3.0V, = 4.5V, = 4.5V, ROSC = 1.2M S.R. = 6KHz S.R. = 8KHz I121 S.R. = 6KHz I241 S.R. = 8KHz S.R. = 6KHz S.R. = 8KHz I241B S.R. = 6KHz S.R. = 8KHz PID224B 04/95 I241 I241B 10 A % % F/F F/F " 5 " 10 R1 Oscillation Resistor K MOSEL VITELIC MSSI121/241/241B Pin Configurations Unit V V V C C VDD OSC NC CLK COUT INTP REP 1 2 3 4 5 6 7 14 13 12 11 10 9 8 VSS TG NC NC VOUT2 VOUT1 LED / STP Absolute Maximum Rating Symbol VDD ~ VSS VIN VOUT T (Operating) T (Storage) Rating -0.5 ~ +7.0 VSS -0.3 < V IN < VDD+0.3 VSS AC Characteristics Timing TT TSTOP Trigger pulse width Stop pulse Min . Typ . 10 20 Max . Unit ms ms Timing Diagram I. Edge/Unholdable / Irretrigger Option TG AUDIO LED STOP Phrase Phrase Phrase II. Level/Unholdable / Irretrigger Option TG AUDIO LED STOP Phrase Phrase Phrase Phrase Phrase III. Edge/Holdable Trigger Mask TG AUDIO LED STOP Phrase Phrase IV. Level/Holdable Trigger Option TG AUDIO LED STOP Phrase Phrase Phrase 3 PID224B 04/95 MOSEL VITELIC MSSI121/241/241B V.Interrupt Pin Function ( LED Or Stop ) TG Interrupt AUDIO LED STOP Phrase Phrase Phrase VI. Repeat Pin Function REP TG AUDIO LED STOP Phrase Phrase Phrase Phrase VII. DEBOUNCE TIME TG TT AUDIO Application Circuit 1. Typical Application Pad No. 1 2 3 4 5 6 7 8 9 10 11 S T R2 REP COUT INTP 5 6 3 R1 OSC 2 MSSI121 MSSI241 1 VDD LED 7 9 MSSI241B 11 10 VSS V1 V2 TG I121 Designation V DD OSC CLK COUT INTP REP LED/STP VOUT1 VOUT2 TG VSS X -953.3 -1182.3 -1408.3 -1404.8 -752.7 -224.9 1089.7 1408.3 1418 1329 1092 Y 1415.3 1413.9 -1153.4 -142.5 -1417.2 -1415 -1417.2 -1327.9 -1117.5 1423.6 1440.1 X I241 Y 2170.7 2169.3 1908.4 -2180 -2170 -2170 -2170 -2082.8 -1872.6 2170 2195.7 X -935.3 -1182.3 -1408.3 -1386.4 -750.6 -224.9 1091.8 1408.3 1418 1329 1092 I241B Y 1960.7 1959.6 -1729.2 -1965.2 -1959.2 -1959.2 -1959.2 -1887.7 -1703.9 1965.3 1982 DIE SIZE: 3210um X 3290um (I121) 3210um X 4800um (I241) 2750um X 4340um (I241B) Pad size = 125um X 125 um Note: Substrate is V SS -795 -1005 -1199.6 -1175.9 -632.1 -191.2 928 1199.6 1207.8 1132.2 928.2 4 PID224B 04/95 MOSEL VITELIC MSSI121/241/241B 2. Cascade Application (To get longer than 12/24 seconds) you have to avoid these two chips play at the same time, it might danger the speaker R1 VDD OSC COUT TG STP INTP VSS R1' VDD OSC COUT TG INTP VSS R2 T S 3. CDS Application R1 VDD OSC TG COUT R2 VSS T S 4. Equivalent to Level type trigger under "Edge option" R1 VDD OSC COUT TG R2 REP VSS T S 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. 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 TMAMuOuG 886-3-5784732 5 PID224B 04/95 |
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