M29W400BB90N6 NUMONYX, M29W400BB90N6 Datasheet - Page 16

• Manufacturer Part Number: M29W400BB90N6
• Description: IC FLASH 4MBIT 90NS 48TSOP
• Manufacturer: NUMONYX

Specifications of M29W400BB90N6

• Format - Memory: FLASH
• Memory Type: FLASH - Nor
• Memory Size: 4M (512K x 8 or 256K x 16)
• Speed: 90ns
• Interface: Parallel
• Voltage - Supply: 2.7 V ~ 3.6 V
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 48-TSOP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-1715

M29W400BT, M29W400BB
Table 15. Write AC Characteristics, Write Enable Controlled
(T
Note: 1. Sampled only, not 100% tested.
Figure 10. Write AC Waveforms, Write Enable Controlled
16/25
A
t
Symbol
WHRL
t
t
t
t
t
t
t
t
t
t
t
VCHEL
t
WLWH
DVWH
WHDX
WHEH
WHWL
GHWL
WHGL
= 0 to 70 C or –40 to 85 C)
AVWL
WLAX
ELWL
AVAV
A0-A17/
A–1
E
G
W
DQ0-DQ7/
DQ8-DQ15
V CC
RB
(1)
t
t
t
BUSY
t
t
t
WPH
t
t
OEH
Alt
t
t
t
t
VCS
WC
WP
DH
CH
CS
DS
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
tVCHEL
High to Chip Enable Low
tELWL
tGHWL
tAVWL
Parameter
tAVAV
VALID
tWLWH
tDVWH
tWHRL
VALID
Max
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
Min
tWLAX
55
55
40
25
30
40
30
50
tWHEH
0
0
0
0
0
0
tWHGL
tWHWL
M29W400B
tWHDX
70
70
45
30
30
45
30
50
0
0
0
0
0
0
90 / 120
AI01869C
90
45
45
30
45
35
50
0
0
0
0
0
0
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
s