M28W640FST70ZA6 Micron Technology Inc, M28W640FST70ZA6 Datasheet - Page 34

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M28W640FST70ZA6

Manufacturer Part Number
M28W640FST70ZA6
Description
Manufacturer
Micron Technology Inc
Datasheet

Specifications of M28W640FST70ZA6

Cell Type
NOR
Density
64Mb
Access Time (max)
70ns
Interface Type
Parallel
Boot Type
Top
Address Bus
22b
Operating Supply Voltage (typ)
3/3.3V
Operating Temp Range
-40C to 85C
Package Type
TBGA
Sync/async
Asynchronous
Operating Temperature Classification
Industrial
Operating Supply Voltage (min)
2.7V
Operating Supply Voltage (max)
3.6V
Word Size
16b
Number Of Words
4M
Supply Current
18mA
Mounting
Surface Mount
Pin Count
64
Lead Free Status / Rohs Status
Not Compliant

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DC and ac parameters
Figure 12. Read ac waveforms
1. Addresses range from A0 to A20 for the M28W320FS and M28W320FSU, and from A0 to A21 for the M29W640FS and
Table 15.
1. Sampled only, not 100% tested.
2. G may be delayed by up to t
34/76
Symbol
t
t
t
t
t
t
t
t
t
GHQX
GHQZ
M28W640FSU.
AXQX
EHQX
EHQZ
GLQV
GLQX
ELQV
ELQX
t
t
AVQV
AVAV
A0-A20/A21 (1)
DQ0-DQ15
(2)
(1)
(1)
(1)
(1)
(2)
(1)
(1)
(1)
E
G
Read ac characteristics
t
t
t
t
t
t
ACC
t
t
Alt
t
t
OLZ
t
OH
OH
OH
RC
HZ
CE
DF
OE
LZ
Address Valid to Next Address Valid
Address Valid to Output Valid
Address Transition to Output Transition
Chip Enable High to Output Transition
Chip Enable High to Output Hi-Z
Chip Enable Low to Output Valid
Chip Enable Low to Output Transition
Output Enable High to Output Transition
Output Enable High to Output Hi-Z
Output Enable Low to Output Valid
Output Enable Low to Output Transition
ADDR. VALID
CHIP ENABLE
ELQV
- t
GLQV
tGLQX
tAVQV
after the falling edge of E without increasing t
tELQX
tELQV
OUTPUTS
ENABLED
Parameter
tGLQV
tAVAV
VALID
DATA VALID
VALID
Max
Max
Max
Max
Max
Min
Min
Min
Min
Min
Min
ELQV
M28WxxxFS, M28WxxxFSU
.
tEHQX
tGHQX
tEHQZ
STANDBY
tGHQZ
Value
70
70
20
70
20
20
0
0
0
0
0
tAXQX
AI09928
Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns

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