UPD7759C NEC [NEC], UPD7759C Datasheet
UPD7759C
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UPD7759C Summary of contents
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The PD7759 is an external ROM type speech synthesis LSI employing the waveform coding method. In addition to the ROM capability Mbit, the PD7759 realizes the synthesis of speech sounds of any length by using the ...
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PIN CONFIGURATION (Top View) • 40-pin plastic DIP ASD5 1 40 ASD6 2 39 ASD7 ...
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PIN FUNCTIONS 1.1 COMMON FUNCTION TO ALL MODES Pin 52-pin 40-pin (Abbre- QFP DIP viation) Pin No. Pin No DRQ 24 14 Output REF 28 16 Input AVO 29 17 Output BUSY 30 18 Output ...
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PIN FUNCTION FOR STAND ALONE MODE Pin 52-pin 40-pin (Abbre- QFP DIP viation) Pin No. Pin No Input ...
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PIN FUNCTION FOR SLAVE MODE Pin 52-pin 40-pin (Abbre- QFP DIP viation) Pin No. Pin No Input ...
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ELECTRICAL SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ( Parameters Symbol Power supply voltage V Input voltage V Output voltage V Storage temperature T Operating temperature T RECOMMENDED OPERATING CONDITIONS Parameters Symbol Supply voltage V V High-level input voltage ...
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DC CHARACTERISTICS (Ta = – Parameters Symbol High-level output voltage V OH Low-level output voltage V Input leak current | I Output leak current | I LO Supply current I DD Reference input current Note I ...
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AC CHARACTERISTICS (Ta = – TIMING REQUIREMENTS (common to all modes) Parameters Symbol t BUSY rise time t t BUSY fall time t BUSY output stop time t 2.1 STAND ALONE MODE (1) TIMING REQUIREMENTS Parameters ...
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SWITCHING CHARACTERISTICS Parameters Symbol BUSY output delay t SBO Speech output delay t SSO BUSY hold time t BD ALE pulse width Higher address set up time Higher address hold time ...
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TIMING CHART (Stand alone mode) (1) CONTROL VALID t SBO BUSY 1FFH- I 100H- AVO 000H- (D/A converter input value SSO ...
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MEMORY ACCESS AEN ASD to ASD ALE t LL DRQ t MRO t t AEN RDH DCC PD7759 11 ...
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SLAVE MODE (1) TIMING REQUIREMENTS Parameters Symbol set up time pulse width t MD2 Speech data set up time t DW Speech data hold time input stop time ...
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TIMING CHART (Slave mode) (1) CONTROL RESET MDR DRQ CS WR ASD to ASD 0 7 BUSY (2) DATA TRANSFER DRQ CS WR ASD to ASD MD2 ...
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STANDBY MODE (1) TIMING REQUIREMENTS Parameters Symbol Standby escape signal t AW Note L* pulse width (2) SWITCHING CHARACTERISTICS Parameters Symbol Operation mode hold time t STB D/A converter activate t /inactivate time BUSY set up time t Synthesis ...
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PACKAGE DRAWINGS PD7759 15 ...
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PIN PLASTIC QFP ( 14 NOTE Each lead centerline is located within 0.20 mm (0.008 inch) of its true position (T.P.) at maximum material condition ...
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RECOMMENDED SOLDERING CONDITIONS The following conditions (see tables below) must be met when soldering the PD7759. Please consult with our sales offices in case other soldering process is used case soldering is done under different conditions. For ...
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The PD7759 has the following user's manual as a separate volume. Please use it for reference. PD7755 family User's Manual: IEU-1218 No part of this document may be copied or reproduced in any form or by any means without the ...