17
KDV-3241Y/MP4339
/MP4439/MP5032
• PIN DESCRIPTION
Pin No.
Pin Name
Description
1~10,16~25,48
A0~A20
21 Addresses
29~36,38~44
DQ0~DQ14
15 Data Inputs/Outputs
45
DQ15/A-1
DQ15 (Data Input/Output, Word Mode). A-1 (LSB Address Input, Byte Mode)
26
CE#
Chip Enable
28
OE#
Output Enable
11
WE#
Write Enable
14
WP#/ACC
Hardware Write Protect/Acceleration Pin
12
RESET#
Hardware Reset Pin, Active Low
47
BYTE#
Selects 8-bit or 16-bit mode
15
RY/BY#
Ready/Busy Output
37
Vcc
3.0 volt-only single power supply
(see Product Selector Guide for speed options and voltage supply tolerances)
27,46
Vss
Device Ground
13
NC
Pin Not Connected Internally
CIRCUIT DESCRIPTION
Command
Register
Analog Bias
Generator
Add
re
ss Latch
BYTE#
CE#
OE#
A<0:20
>
RESET#
Vcc
Vss
Chip Enable
Output Enable
Logic
Vcc Detector
Timer/
Counter
Y-Decoder
X-Decoder
Y-Decoder
Cell Array
Data Latch/
Sense Amps
Input/Output
Buffers
Sector Switches
DQ0-DQ15(A-1)
RY/BY#
Write
State
Machine
WE
#
EAN36433701 (DVD UNIT IC1502)
• BLOCK DIAGRAM