W28V400B Datasheet, PDF (2/48 Pages) Winbond – 4M(512K x 8/256K x 16) SMARTVOLTAGE FLASH MEMORY

W28V400B/T
V_PP Trace on Printed Circuit Boards .............................................................................................. 22
V_DD, VPP, #RESET Transitions ...................................................................................................... 22
Power-up/Down Protection ............................................................................................................ 23
Power Dissipation .......................................................................................................................... 23
11. ELECTRICAL SPECIFICATIONS ................................................................................................... 24
Absolute Maximum Ratings* .......................................................................................................... 24
Operating Conditions ..................................................................................................................... 24
Capacitance(1)............................................................................................................................... 24
AC Input/Output Test Conditions ................................................................................................... 25
DC Characteristics ......................................................................................................................... 27
AC Characteristics - Read-only Operations(1) .............................................................................. 29
AC Characteristics - Write Operations(1) ...................................................................................... 33
Alternative #CE-Controlled Writes(1)............................................................................................. 37
Reset Operations ........................................................................................................................... 41
Block Erase And Word/Byte Write Performance(3) ....................................................................... 42
12. FLASH MEMORY W28V400 FAMILY DATA PROTECTION ......................................................... 44
Recommended Operating Conditions............................................................................................ 45
13. ORDERING INFORMATION........................................................................................................... 47
14. PACKAGE DIMENSION.................................................................................................................. 47
48-Lead Standard Thin Small Outline Package (measured in millimeters)................................... 47
15. VERSION HISTORY ....................................................................................................................... 48
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