w39l040a Winbond Electronics Corp America, w39l040a Datasheet - Page 2

• Manufacturer Part Number: w39l040a
• Description: 512k ? 8 Cmos Flash Memory
• Manufacturer: Winbond Electronics Corp America

7.
8.
9.
10.
11.
12.
6.8
6.9
ELECTRICAL CHARACTERISTICS......................................................................................... 14
7.1
7.2
7.3
7.4
TIMING WAVEFORMS ............................................................................................................. 18
8.1
8.2
8.3
8.4
8.5
8.6
8.7
ORDERING INFORMATION .................................................................................................... 22
HOW TO READ THE TOP MARKING...................................................................................... 23
PACKAGE DIMENSIONS ......................................................................................................... 24
11.1
11.2
11.3
11.4
VERSION HISTORY ................................................................................................................. 26
Embedded #Data Polling Algorithm.............................................................................. 13
Embedded Toggle Bit Algorithm ................................................................................... 13
Absolute Maximum Ratings .......................................................................................... 14
DC Operating Characteristics....................................................................................... 14
Pin Capacitance............................................................................................................ 14
AC Characteristics ........................................................................................................ 15
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.4.6
Read Cycle Timing Diagram......................................................................................... 18
#WE Controlled Command Write Cycle Timing Diagram............................................. 18
#CE Controlled Command Write Cycle Timing Diagram.............................................. 19
Chip Erase Timing Diagram ......................................................................................... 19
Sector Erase Timing Diagram ...................................................................................... 20
#Data Polling Timing Diagram ...................................................................................... 20
Toggle Bit Timing Diagram ........................................................................................... 21
32L PLCC ..................................................................................................................... 24
32L PDIP....................................................................................................................... 24
32L TSOP (8 x 20 mm)................................................................................................. 25
32L STSOP (8 x 14 mm) .............................................................................................. 25
AC Test Conditions.........................................................................................................15
AC Test Load and Waveform .........................................................................................15
Read Cycle Timing Parameters......................................................................................16
Erase/Program Cycle Timing Parameters ......................................................................16
Power-up Timing ............................................................................................................17
#Data Polling and Toggle Bit Timing Parameters ...........................................................17
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W39L040A