m29w400f Numonyx, m29w400f Datasheet - Page 34

• Manufacturer Part Number: m29w400f
• Description: 8-mbit 1 Mbit?8 / 512 Kbit?16 ; 4-mbit 512 Kbit?8 / 256 Kbit?16 Boot Block 3 V Supply Flash Memory
• Manufacturer: Numonyx

Figure 15. Write AC waveforms, write enable controlled
Table 13.
1. See
2. Only available for the known good die version.
3. Sampled only, not 100% tested.
34/54
Symbol
t
WHRL
t
t
t
t
t
t
t
t
t
t
t
VCHEL
t
WHWL
WLWH
DVWH
WHDX
WHEH
GHWL
WHGL
WLAX
ELWL
AVWL
AVAV
(3)
Table 18.: Ordering information scheme
A0-A18/
A–1
E
G
W
DQ0-DQ7/
DQ8-DQ15
V CC
RB
t
t
t
BUSY
t
t
t
WPH
t
t
t
t
t
OEH
VCS
Alt
t
WC
WP
Write AC characteristics, write enable controlled
CS
DS
DH
CH
AS
AH
Address Valid to Next Address Valid
Chip Enable Low to Write Enable Low
Write Enable Low to Write Enable High
Input Valid to Write Enable High
Write Enable High to Input Transition
Write Enable High to Chip Enable High
Write Enable High to Write Enable Low
Address Valid to Write Enable Low
Write Enable Low to Address Transition
Output Enable High to Write Enable Low
Write Enable High to Output Enable Low
Program/Erase Valid to RB Low
V
CC
High to Chip Enable Low
tVCHEL
tELWL
tGHWL
tAVWL
Parameter
for combinations.
tAVAV
VALID
tWLWH
Max
tDVWH
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tWHRL
VALID
5A/55 ns
M29W800FT/B and M29W400FT/B
tWLAX
55
45
45
30
45
30
50
0
0
0
0
0
0
(1)
tWHEH
7A/70 ns
tWHGL
tWHWL
tWHDX
70
45
45
30
45
30
50
0
0
0
0
0
0
(1)
90 ns
90
45
45
30
45
30
50
AI05449
0
0
0
0
0
0
(2)
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
μs