Ordering number : ENN 6891 CMOS IC LC896431 MD Decoder IC Overview Package Dimensions The LC896431 implements playback signal processing that conforms to the MiniDisc format standards. This device was designed to form a chip set in conjunction with a SANYO RF amplifier IC. unit: mm 3257-TQFP120 [LC896431] 16.0 14.0 Features (1.2) 60 31 (1.2) 120 1 0.5 (0.5) 0.15 30 (1.0) 0.1 1.2max Full complement of automatic adjustment functions Intensity, defect, and shock detection Both CLV and CAV control VCEC circuit Automatic adjustment functions High-performance ATRAC3 decoder EFM data demodulation Error detection and correction (C1: E12, C2: E24) Error correction RAM Intelligent commands Anti-shock control ADIP demodulation and decoding Digital servo EFM ACIRC decoding High-performance 1-bit D/A converter Built-in second-order low-pass filter for audio output Power saving function for the stopped and paused states 0.125 61 91 Functions • • • • • • • • • • • • • • • • • 0.4 90 16.0 14.0 0.4 • Fabricated in a CMOS process for low power • An application system can be created easily by combining this IC with a SANYO RF amplifier IC. • Provides digital servo functions and a VCEC for highspeed access. • Allows the creation of optimal systems by integrating 8× oversampling digital filters, a 1-bit D/A converter, and a low-pass filter on the same chip. SANYO: TQFP120 Any and all SANYO products described or contained herein do not have specifications that can handle applications that require extremely high levels of reliability, such as life-support systems, aircraft’s control systems, or other applications whose failure can be reasonably expected to result in serious physical and/or material damage. Consult with your SANYO representative nearest you before using any SANYO products described or contained herein in such applications. SANYO assumes no responsibility for equipment failures that result from using products at values that exceed, even momentarily, rated values (such as maximum ratings, operating condition ranges, or other parameters) listed in products specifications of any and all SANYO products described or contained herein. SANYO Electric Co.,Ltd. Semiconductor Company TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN 11901RM (OT) No.6891-1/6 LC896431 Specifications Maximum Ratings at VSS = 0 V Parameter Symbol Supply voltage Conditions Ratings Unit VDD1 max 2.7 V VDD2 max 2.7 V Input and output voltage VI, VO 0 to VDD2 V Operating temperature *1 Topr –10 to +70 °C Storage temperature Tstg –55 to +125 °C Input and output current *2 II, IO ±20 mA Notes: 1. Does not guarantee continuous operation. 2. Maximum output current that flows constantly (except OUTL, OUTR, SLC0, PD0 pins) Allowable Operating Ranges at Ta = –10°C to +70°C, VSS = 0 V In case of external I/O power supply, VDD2 = 2.3 V Parameter Symbol Conditions Ratings min typ Unit max External I/O VDD2 2.2 2.3 2.4 Internal VDD 1.5 1.6 1.8 AVDD 2.2 — 2.6 AVDD1 2.2 — 2.6 VCVDD 2.2 — 2.6 Supply voltage Analog system V In case of external I/O power supply, VDD2 = 2.5 V Parameter Symbol Conditions Ratings min typ Unit max External I/O VDD2 2.2 2.5 2.55 Internal VDD 1.55 1.6 1.80 AVDD 2.2 — 2.6 AVDD1 2.2 — 2.6 VCVDD 2.2 — 2.6 Supply voltage Analog system V Notes: 1. Supply all power supplies at less than the maximum gradient of 0.4 V/ms, and implement a delay of 10 ms or longer for current to go from 0 V to 2.4 V. 2. Supply all power supplies simultaneously so that there are no delay differences among them. 3. Supply 0 to the RESETB pin only upon power application, and following power application, supply 1 and use with this value. Electrical Characteristics DC characteristics Input/output level: at Ta = –10 to 70°C, VSS = 0 V, VDD1 = 1.5 to 1.8 V, VDD2 = 2.2 to 2.55 V Parameter Input high-level voltage Input low-level voltage Symbol VIH VIL Conditions Ratings min typ Unit max Except *1 to *3 VDD2 × 0.75 — *1 VDD2 × 0.80 — — *2 VDD2/2 + 0.10 — VDD2 — Except *1 to *3 — — VDD2 × 0.25 *1 — — VDD2 × 0.20 *2 VSS — VDD2/2 – 0.10 Output high-level voltage VOH IOH2 = –1 mA, Except *4 Output low-level voltage VOL IOL = 1 mA, Except *4 Output leakage current IOZ *5 Pull-up resistance RUP VDD2 × 0.80 — — V V V — VDD2 × 0.15 V –10.0 — 10.0 µA 46 100 270 kΩ — Notes: *1: CL, CE, RESETB, ADIPWO, HFL *2: EFMIN *3: PEAK, BOTTOM, ABCD, TE, FE, VC *4: OUTL, OUTR *5: During high-impedance output. Current also flows through pull-up resistance for MD3 to 0. • XIN, XOUT, SLC0, and PD0 are not included in DC characteristics. • The FR, ISET, SLCIST bias resistance pins are not included in DC characteristics. No. 6891-2/6 LC896431 Analog characteristics Input/output level: at Ta = –10 to +70°C, VSS = 0 V, VDD1 = 2.2 to 2.6 V Parameter Analog input voltage Input load capacitance Symbol VI Ratings Conditions min typ PEAK, BOTTOM, ABCD, TE, FE, VC AVDD1 × 0.2 PEAK, BOTTOM, ABCD, TE, FE, VC — Unit max — AVDD1 × 0.8 V — pF 7.5 Oscillation amplifier Note: Xtal is limited to the basic mode. R1 C1 C1 No. 6891-3/6 LC896431 Pin Functions I/O → I: Input pin, O: Output pin, B: Bidirectional pin Note: Do not leave VDD and VSS open, connect all to power supply, ground. Pin No. Pin Name I/O 1 VDD2 — Function 2 SHOCK O SHOCK/RFNG output pin 3 SLCO O HF signal slice level output pin 4 SLCIST I Bias resistance pin of slice level adjustment amplifier 5 EFMIN I HF signal input pin 6 RESETB I System reset 7 HFL I Track detection signal input pin 8 TEST2 I Test input pin 9 PDO O VCEC current charge pump output pin 10 VCVSS — 11 FR I Bias resistance pin for oscillation frequency of VCEC Bias resistance pin for current charge pump of VCEC Power supply pin VCEC ground pin 12 ISET I 13 VCVDD — 14 AVSS1 — 15 PEAK I PEAK signal input pin 16 BOTTOM I BOTTOM signal input pin 17 ABCD I Main beam light intensity signal input pin 18 TE I Tracking error signal input pin 19 FE I Focus error signal input pin 20 VC I 21 AVDD1 — 22 DSW1 B* Disk mode switch output 23 DSW0 B* Disk mode switch output AGC control signal output pin VCEC power supply pin Digital servo ground pin Midpoint potential input pin Digital servo power supply pin 24 SGC B* 25 AOFFSET B* ABCD offset control signal output pin 26 FOFFSET B* Focus offset control signal output pin 27 TOFFSET B* Tracking offset control signal output pin 28 TBAL B* Tracking balance control signal output pin 29 LDREF B* Laser control signal output pin 30 VSS — Ground pin 31 VDD — Internal power supply pin 32 FBAL B* Focus balance control output pin 33 SPPWMF B* Spindle PWM output pin 34 SPPWMR B* Spindle PWM output pin 35 MD7 B DRAM data input/output pin 36 MD6 B DRAM data input/output pin 37 MD5 B DRAM data input/output pin 38 MD4 B DRAM data input/output pin 39 VDD2 — Power supply pin 40 MD3 B DRAM data input/output pin 41 MD2 B DRAM data input/output pin 42 MD1 B DRAM data input/output pin 43 MD0 B DRAM data input/output pin 44 PCK O VCEC system clock signal output pin 45 VDD2 — Power supply pin 46 VSS — Ground pin 47 DEFECT B* Defect signal input/output pin 48 MD15 B DRAM data input/output pin 49 MD14 B DRAM data input/output pin 50 MD13 B DRAM data input/output pin 51 MD12 B DRAM data input/output pin 52 VSS — Ground pin 53 MD11 B DRAM data input/output pin Continued on next page. No. 6891-4/6 LC896431 Continued from preceding page. Pin No. Pin Name I/O 54 MD10 B DRAM data input/output pin Function 55 MD9 B DRAM data input/output pin 56 MD8 B DRAM data input/output pin 57 SLPWMF B* Sled PWM output pin 58 SLPWMR B* Sled PWM output pin 59 SLD0 B* Sled control signal output pin 60 VSS — Ground pin 61 VDD2 — Power supply pin 62 SLD1 B Sled control signal input/output pin 63 VDD — 64 SLD2 I Sled control signal input pin Sled control signal input pin Internal power supply pin 65 SLD3 I 66 FOPWMF B* Focus PWM output pin 67 FOPWMR B* Focus PWM output pin 68 TRPWMF B* Tracking PWM output pin 69 TRPWMR B* Tracking PWM output pin 70 FG I 71 VP B* 72 FOK B* Focus OK signal output pin 73 FAST B* FAST signal output pin 74 CL I 75 CE I CPU interface chip enable signal input pin 76 DI I CPU interface data input pin 77 DO O CPU interface data output pin 78 WRQB O CPU interface interrupt signal output pin 79 INTB O CPU interface interrupt signal output pin Frame synchronization detection signal output pin Speed pulse input pin CLV servo lock judgment output pin CPU interface data transfer clock input pin 80 FSEQ B* 81 F16M B* 16.9344 MHz output pin 82 ENH B* De-emphasis specification output pin 83 LRCO B* LR clock output pin 84 DDATA B* Speech signal data output pin 85 BCO B* Bit clock output pin 86 DDOUT (DEFECT) B* Digital audio output pin 87 VDD2 — 88 XIN I 89 XOUT O 16.9344 MHz oscillation output pin 90 VSS — Ground pin 91 VDD — Internal power supply pin 92 AVSS — 1-bit DAC ground pin 93 OUTR O 1-bit DAC right channel output pin 94 OUTL O 1-bit DAC left channel output pin 95 AVDD — 1-bit DAC power supply pin 96 MCASB B* DRAM CAS signal output pin Power supply pin 16.9344 MHz oscillation input pin 97 MOEB B* DRAM OE signal output pin 98 MAD9 B* DRAM address output pin 99 MAD8 B* DRAM address output pin 100 MAD7 B* DRAM address output pin 101 TEST1 I 102 MAD6 B* DRAM address output pin 103 MAD5 B* DRAM address output pin 104 MAD4 B* DRAM address output pin 105 TEST3 I 106 VSS — Test input pin Test input pin Ground pin 107 VDD2 — Power supply pin 108 SMON3 B* Monitor signal output pin 109 SMON2 B* Monitor signal output pin Continued on next page. No. 6891-5/6 LC896431 Continued from preceding page. Pin No. Pin Name I/O 110 MAD3 B* DRAM address output pin Function 111 MAD2 B* DRAM address output pin 112 MAD1 B* DRAM address output pin 113 MAD0 B* DRAM address output pin 114 SMON1 B* Monitor signal output pin 115 SMON0 B* Monitor signal output pin 116 MRASB B* DRAM RAS signal output pin 117 MWEB B* DRAM WE signal output pin 118 ADIPWO I 119 VDD — Internal power supply pin 120 VSS — Ground pin Wobble signal input pin Note: * Output/input only during testing. Normally output. TEST1 to TEST3: Always use fixed to High. MD3 to MD0: Pull-up I/O with resistor Specifications of any and all SANYO products described or contained herein stipulate the performance, characteristics, and functions of the described products in the independent state, and are not guarantees of the performance, characteristics, and functions of the described products as mounted in the customer’s products or equipment. To verify symptoms and states that cannot be evaluated in an independent device, the customer should always evaluate and test devices mounted in the customer’s products or equipment. SANYO Electric Co., Ltd. strives to supply high-quality high-reliability products. However, any and all semiconductor products fail with some probability. It is possible that these probabilistic failures could give rise to accidents or events that could endanger human lives, that could give rise to smoke or fire, or that could cause damage to other property. When designing equipment, adopt safety measures so that these kinds of accidents or events cannot occur. Such measures include but are not limited to protective circuits and error prevention circuits for safe design, redundant design, and structural design. In the event that any or all SANYO products (including technical data, services) described or contained herein are controlled under any of applicable local export control laws and regulations, such products must not be exported without obtaining the export license from the authorities concerned in accordance with the above law. No part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying and recording, or any information storage or retrieval system, or otherwise, without the prior written permission of SANYO Electric Co., Ltd. Any and all information described or contained herein are subject to change without notice due to product/technology improvement, etc. When designing equipment, refer to the “Delivery Specification” for the SANYO product that you intend to use. Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties. This catalog provides information as of January, 2001. Specifications and information herein are subject to change without notice. PS No. 6891-6/6