W28F641B/T
64MBIT (4MBIT × 16)
PAGE MODE DUAL WORK FLASH MEMORY
Table of Contents-
1. GENERAL DESCRIPTION.................................................................................................................. 2
2. FEATURES ......................................................................................................................................... 2
3. PIN CONFIGURATION ....................................................................................................................... 3
4. ELECTRICAL CHARACTERISTICS................................................................................................. 16
Absolute Maximum Ratings* ............................................................................................................ 16
Operating Conditions........................................................................................................................ 16
(1)
Capacitance .................................................................................................................................. 17
AC Input/Output Test Conditions...................................................................................................... 17
DC Characteristics............................................................................................................................ 18
AC Characteristics - Read-only Operations(1)................................................................................. 20
(1, 2)
AC Characteristics - Write Operations
...................................................................................... 23
Reset Operations.............................................................................................................................. 25
Reset AC Specifications................................................................................................................... 25
(3)
Block Erase, Full Chip Erase, (Page Buffer) Program and OTP Program Performance ............. 26
5. ADDITIONAL INFORMATION........................................................................................................... 27
Recommended Operating Conditions .............................................................................................. 27
At Device Power-Up ................................................................................................................... 27
Glitch Noises .............................................................................................................................. 28
6. ORDERING INFORMATION............................................................................................................. 29
7. PACKAGE DIMENSIONS ................................................................................................................. 30
48-pin Standard Thin Small Outline Package (measured in millimeters)......................................... 30
48-ball TFBGA (8 mm x 11 mm) (measurements in millimeters)..................................................... 30
8. VERSION HISTORY ......................................................................................................................... 31
Publication Release Date: March 27, 2003
- 1 -
Revision A3