
W39L040A
- 2 -
6.8
6.9
ELECTRICAL CHARACTERISTICS......................................................................................... 14
7.1
Absolute Maximum Ratings.......................................................................................... 14
7.2
DC Operating Characteristics....................................................................................... 14
7.3
Pin Capacitance............................................................................................................ 14
7.4
AC Characteristics........................................................................................................ 15
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
7.4.6
TIMING WAVEFORMS............................................................................................................. 18
8.1
Read Cycle Timing Diagram......................................................................................... 18
8.2
#WE Controlled Command Write Cycle Timing Diagram............................................. 18
8.3
#CE Controlled Command Write Cycle Timing Diagram.............................................. 19
8.4
Chip Erase Timing Diagram ......................................................................................... 19
8.5
Sector Erase Timing Diagram ...................................................................................... 20
8.6
#Data Polling Timing Diagram...................................................................................... 20
8.7
Toggle Bit Timing Diagram........................................................................................... 21
ORDERING INFORMATION .................................................................................................... 22
HOW TO READ THE TOP MARKING...................................................................................... 23
PACKAGE DIMENSIONS......................................................................................................... 24
11.1
32L PLCC ..................................................................................................................... 24
11.2
32L PDIP....................................................................................................................... 24
11.3
32L TSOP (8 x 20 mm)................................................................................................. 25
11.4
32L STSOP (8 x 14 mm) .............................................................................................. 25
VERSION HISTORY................................................................................................................. 26
Embedded #Data Polling Algorithm.............................................................................. 13
Embedded Toggle Bit Algorithm................................................................................... 13
7.
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
8.
9.
10.
11.
12.