m29w400f Numonyx, m29w400f Datasheet - Page 35

• 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 16. Write AC waveforms, chip enable controlled
Table 14.
1. See
2. Only available for the known good die version.
3. Sampled only, not 100% tested.
Symbol
t
t
EHRL
t
VCHWL
t
t
t
t
t
t
t
t
t
EHWH
t
DVEH
EHDX
WLEL
ELEH
EHEL
GHEL
EHGL
AVAV
AVEL
ELAX
A0-A18/
A–1
W
G
E
DQ0-DQ7/
DQ8-DQ15
V CC
(3)
Table 18.: Ordering information scheme
RB
t
t
t
BUSY
t
t
t
t
t
t
t
CPH
t
OEH
Alt
t
VCS
WC
WH
WS
CP
DS
DH
AS
AH
Write AC characteristics, chip enable controlled
Address Valid to Next Address Valid
Write Enable Low to Chip Enable Low
Chip Enable Low to Chip Enable High
Input Valid to Chip Enable High
Chip Enable High to Input Transition
Chip Enable High to Write Enable High
Chip Enable High to Chip Enable Low
Address Valid to Chip Enable Low
Chip Enable Low to Address Transition
Output Enable High Chip Enable Low
Chip Enable High to Output Enable Low
Program/Erase Valid to RB Low
V
CC
High to Write Enable Low
tVCHWL
tWLEL
tGHEL
tAVEL
Parameter
for combinations.
tAVAV
VALID
tELEH
tDVEH
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tEHRL
VALID
5A/55 ns
M29W800FT/B and M29W400FT/B
tELAX
55
45
45
30
30
45
30
50
0
0
0
0
0
(1)
tEHWH
tEHGL
7A/70 ns
tEHEL
tEHDX
70
45
45
30
30
45
30
50
0
0
0
0
0
(1)
90 ns
AI05450
90
45
45
30
30
45
30
50
0
0
0
0
0
(2)
35/54
Unit
μs
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns