SANYO LC895198 Datasheet

Ordering number : ENN6237

N3099TH (OT) No. 6237-1/10

Overview

The LC895198 is a CD-ROM decoder that supports
ATAPI (IDE) and includes 1 MB of on-chip DRAM.

Functions

• CD-ROM ECC function

• Sub-code read function

• Built-in ATAPI (IDE) I/F (register and other blocks)

• CAV audio function

• Built-in DVD-ROM I/F (8-bit width)

• Built-in 1-Mbit DRAM

Features

•32× speed supported

16.6MBytes/s (with IORDY)
Operation frequency: 33.8688 MHz

•32× speed supported

16.6MBytes/s (without IORDY)
Operation frequency: 36 MHz

• CD main channel, C2 flag, and subcode areas in buffer
RAM can be set freely by user

• Built-in batch transfer function (function for sending CD
main channel, C2 flag, subcode, etc., at one time)

• Built-in multi transfer function (function for sending
several blocks at one time)

• Built-in CAV-AUDIO function

• Built-in intelligent functions (auto buffering, auto
decoding, CD-R support, etc.)

• Built-in subcode P to W buffering function (NO-ECC)
and CD-TEXT support

Package Dimensions

unit: mm

3237-LQFP120

LC895198

SANYO Electric Co.,Ltd. Semiconductor Company

TOKYO OFFICE Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-8534 JAPAN

CD-ROM Decoder for 32× ATAPI (IDE) Drives

CMOS IC

Parameter Symbol Conditions Ratings Unit

Maximum supply voltage V

DD

max Ta = 25°C –0.3 to +7.0 V

Input/output voltage V

I, VO

Ta = 25°C –0.3 to VDD+ 0.3 V
Allowable power dissipation Pd max Ta ≤ 70°C 400 mW
Operating temperature Topr 0 to +70 °C
Storage temperature Tstg –55 to +125 °C
Soldering temperature (pin part only) 10 s 235 °C
Input/output power I

I

, I

O

Per 1 input/output reference cell ±20 mA

Specifications

Absolute Maximum Ratings at VSS= 0 V

120

1

0.4

14.0

(1.2)

(0.5)

0.125

16.0

0.5

0.15

1.6max

0.1

0.4

14.0

(1.2)

(1.4)

16.0

SANYO: LQFP120

[LC895198]

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.

No. 6237-2/10

LC895198

Parameter Symbol Conditions Applicable pins

Ratings

Unit

min typ max

Input high-level voltage V

IH

TTL levels (1)

2.2——V

Input low-level voltage V

IL

— — 0.8 V

Input high-level voltage V

IH

TTL levels

(9)

2.2——V

Input low-level voltage V

IL

with pull-up resistor

— — 0.8 V

Input high-level voltage V

IH

TTL levels Schmitt DRESP

2.2——V

Input low-level voltage V

IL

with pull-down resistor HDB0 to HDB7

— — 0.8 V

Input high-level voltage V

IH

TTL levels

(2), (3), (10)

2.4——V

Input low-level voltage V

IL

Schmitt

— — 0.8 V

Output high-level voltage V

OHIOH

= –2 mA

(9)

VDD– 2.1 — — V

Output low-level voltage V

OLIOL

= 2 mA — — 0.4 V

Output high-level voltage V

OHIOH

= –8 mA

(4)

VDD– 2.1 — — V

Output low-level voltage V

OLIOL

= 8 mA — — 0.4 V

Output high-level voltage V

OHIOH

= –4 mA

(7), (10)

VDD– 2.1 — — V

Output low-level voltage V

OLIOL

= 24 mA — — 0.4 V

Output low-level voltage V

OLIOL

= 24 mA (8) — — 0.4 V

Output low-level voltage V

OLIOL

= 8 mA (5), (6) — — 0.4 V

Input leak current I

IL

VI= VSS, V

DD

(1), (2), (3), (10) –10 +10 µA

Output leak current I

OZ

During high-impedance output (5), (7), (8), (10)

–10 +10 µA

Pull-up resistance R

UP

(6), (9) 40 80 160 kΩ

Pull-down resistance R

DN

DRESP, DREQ, HDB0 to HDB7

40 80 160 kΩ

Electrical Characteristics at Ta = 0 to +70°C, VSS= 0 V, VDD= 4.5 to 5.5 V

The applicable pin sets are as follows.

INPUT
(1) ATPINSEL, CSCTRL, SUA0 to SUA6, BCK, C2PO, LRCK, DSDATA, SBS0, SCOR, WFCK, TEST0 to TEST1, AUDIOCK
(2) ZRESET, ZCS, ZRD, ZWR, CSEL
(3) DA0 to DA2, ZCS1FX, ZCS3FX, ZDIOR, ZDIOW, ZDMACK, ZHRST

OUTPUT
(4) EXCK, DREQ, MCK, MCK3
(5) ZRSTCPU
(6) ZINT, ZINT1, ZSWAIT
(7) DMARQ, HINTRQ
(8) IORDY, ZIOCS16

INOUT
(9) D0 to D7
(10) DD0 to DD15, ZDASP, ZPDIAG

Note: Pins other than XTAL and XTALCK are not included in DC characteristics.

Allowable Operating Ranges at Ta = 0 to +70°C, VSS= 0 V

Parameter Symbol Conditions

Ratings

Unit

min typ max

Supply voltage V

DD

4.5 5.0 5.5 V

Input voltage range V

IN

0V

DD

V

IOcell 5.0 V supply voltage

Parameter Symbol Conditions

Ratings

Unit

min typ max

Supply voltage V

DD

3.0 3.3 3.6 V

Input voltage range V

IN

0V

DD

V

Internal cell 3.3 V supply voltage

No. 6237-3/10

LC895198

Recommended Oscillator Circuit Example

LC895198

R1

R2

C2C1

XTALCK

PN28

XTAL
PN29

A12524

R1 = 1 MΩ
R2 = 15 Ω
C1 = 0
C2 = 47 pF
When the ceramic clock oscillator frequency is 33.8688 MHz:

(The 33.8688 MHz in this recommended example is the third harmonic.)
The exact values of the components are influenced by the printed circuit board used. Consult with the manufacturer of

the oscillator element used to determine these values.