M29W320ET Datasheet, PDF (26/46 Pages) STMicroelectronics – 32 Mbit (4Mb x8 or 2Mb x16, Boot Block) 3V Supply Flash Memory

M29W320ET, M29W320EB
Figure 13. Write AC Waveforms, Chip Enable Controlled
A0-A20/
A–1
W
G
E
DQ0-DQ7/
DQ8-DQ15
tAVEL
tWLEL
tGHEL
tAVAV
VALID
tELAX
tEHWH
tEHGL
tELEH
tDVEH
VALID
tEHEL
tEHDX
VCC
RB
tVCHWL
tEHRL
Table 14. Write AC Characteristics, Chip Enable Controlled
Symbol
Alt
Parameter
t_AVAV
t_WC Address Valid to Next Address Valid
t_WLEL
t_WS Write Enable Low to Chip Enable Low
t_ELEH
t_CP Chip Enable Low to Chip Enable High
t_DVEH
t_DS Input Valid to Chip Enable High
t_EHDX
t_DH Chip Enable High to Input Transition
t_EHWH
t_WH Chip Enable High to Write Enable High
t_EHEL
t_CPH Chip Enable High to Chip Enable Low
t_AVEL
t_AS Address Valid to Chip Enable Low
t_ELAX
t_AH Chip Enable Low to Address Transition
t_GHEL
Output Enable High Chip Enable Low
t_EHGL
t_OEH Chip Enable High to Output Enable Low
t_EHRL ⁽¹⁾
t_BUSY Program/Erase Valid to RB Low
t_VCHWL
t_VCS V_CC High to Write Enable Low
Note: 1. Sampled only, not 100% tested.
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Max
Min
AI05561
M29W320E
Unit
70
90
70
90
ns
0
0
ns
45
50
ns
45
50
ns
0
0
ns
0
0
ns
30
30
ns
0
0
ns
45
50
ns
0
0
ns
0
0
ns
30
35
ns
50
50
µs
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