AM29LV800T Datasheet, PDF (36/48 Pages) Advanced Micro Devices – 8 Megabit (1,048,576 x 8-Bit/524,288 x 16-Bit) CMOS 3.0 Volt-only, Sectored Flash Memory

PRELIMINARY
SWITCHING WAVEFORMS
Addresses
CE
OE
WE
DATA
t_WC
555h
t_AS
2AAh
t_AH
t_GHWL
t_WP
t_CS
t_WPH
t_DS
t_DH
AAh
55h
555h
555h
2AAh
555H for chip erase
SA
10h for Chip Erase
80h
AAh
55h
30h
V_CC
Notes:
1. SA is the sector address for Sector Erase. Addresses = Don’t Care for Chip Erase.
2. These waveforms are for the x16 mode.
Figure 18. AC Waveforms for Chip/Sector Erase Operations
20478D-19
t_CH
CE
t_OE
t_DF
OE
t_OEH
WE
DQ7
t_CE
*
t_OH
DQ7
DQ7=Valid Data
HIGH Z
t_{WHWH1_or_2}
DQ0-DQ6
DQ0-DQ6=Invalid Data
DQ0-DQ6 Valid Data
HIGH Z
Note:
DQ7 = Valid Data (The device has completed the embedded operation.)
20478D-20
Figure 19. AC Waveforms for Data Polling During Embedded Algorithm Operations
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Am29LV800T/Am29LV800B