Preliminary W541E20X Data Sheet
4-BIT FLASH EPROM MICROCONTROLLER
Table of Contents-
1.
2.
3.
4.
5.
6.
GENERAL DESCRIPTION ......................................................................................................... 2
FEATURES................................................................................................................................. 2
BLOCK DIAGRAM ...................................................................................................................... 4
PIN CONFIGURATIONS ............................................................................................................ 5
PIN DESCRIPTION..................................................................................................................... 6
ELECTRICAL CHARACTERISTICS........................................................................................... 7
6.1
6.2
6.3
Absolute Maximum Ratings .......................................................................................... 7
DC Characteristics ........................................................................................................ 7
AC Characteristics......................................................................................................... 8
7.
8.
APPLICATION CIRCUIT............................................................................................................. 9
PACKAGE DIAMENSIONS....................................................................................................... 10
8.1
8.2
8.3
8.4
8.5
18-Lead PDIP (300 mil)............................................................................................... 10
20-Lead PDIP.............................................................................................................. 11
28-Lead PDIP Skinny.................................................................................................. 12
20-Lead SOP (300mil)................................................................................................. 13
28-Lead SOP (300 mil)................................................................................................ 14
9.
REVISION HISTORY................................................................................................................ 15
Publication Release Date: April 14, 2005
- 1 -
Revision A2