W39V040FB Datasheet, PDF (2/33 Pages) Winbond – 512K X 8 CMOS FLASH MEMORY WITH FWH INTERFACE

W39V040FB
9.5 Software Product Identification and Boot Block Lockout Detection Acquisition Flow . 16
10. ELECTRICAL CHARACTERISTICS ......................................................................................... 17
10.1 Absolute Maximum Ratings ......................................................................................... 17
10.2 Programmer interface Mode DC Operating Characteristics........................................ 17
10.3 FWH Interface Mode DC Operating Characteristics ................................................... 18
10.4 Power-up Timing.......................................................................................................... 18
10.5 Capacitance ................................................................................................................. 18
10.6 Programmer Interface Mode AC Characteristics......................................................... 19
10.7 Read Cycle Timing Parameters................................................................................... 20
10.8 Write Cycle Timing Parameters ................................................................................... 20
10.9 Data Polling and Toggle Bit Timing Parameters ......................................................... 20
11. TIMING WAVEFORMS FOR PROGRAMMER INTERFACE MODE ....................................... 21
11.1 Read Cycle Timing Diagram........................................................................................ 21
11.2 Write Cycle Timing Diagram ........................................................................................ 21
11.3 Program Cycle Timing Diagram .................................................................................. 22
11.4 #DATA Polling Timing Diagram................................................................................... 22
11.5 Toggle Bit Timing Diagram .......................................................................................... 23
11.6 Sector Erase Timing Diagram ..................................................................................... 23
12. FWH INTERFACE MODE AC CHARACTERISTICS................................................................ 24
12.1 AC Test Conditions...................................................................................................... 24
12.2 Read/Write Cycle Timing Parameters ......................................................................... 24
12.3 Reset Timing Parameters ............................................................................................ 24
13. TIMING WAVEFORMS FOR FWH INTERFACE MODE.......................................................... 25
13.1 Read Cycle Timing Diagram........................................................................................ 25
13.2 Write Cycle Timing Diagram ........................................................................................ 25
13.3 Program Cycle Timing Diagram .................................................................................. 26
13.4 #DATA Polling Timing Diagram................................................................................... 27
13.5 Toggle Bit Timing Diagram .......................................................................................... 28
13.6 FGPI Register/Product ID Readout Timing Diagram................................................... 30
13.7 Reset Timing Diagram ................................................................................................. 30
14. ORDERING INFORMATION..................................................................................................... 31
15. HOW TO READ THE TOP MARKING ...................................................................................... 31
16. PACKAGE DIMENSIONS ......................................................................................................... 32
16.1 32L PLCC .................................................................................................................... 32
16.2 32L STSOP.................................................................................................................. 32
17. VERSION HISTORY ................................................................................................................. 33
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