參數(shù)資料
型號: MT28F320A18
廠商: Micron Technology, Inc.
英文描述: FLASH MEMORY
中文描述: 閃存
文件頁數(shù): 27/37頁
文件大?。?/td> 558K
代理商: MT28F320A18
2 MEG x 16
1.8V ENHANCED+ BOOT BLOCK FLASH MEMORY
PRELIMINARY
2 Meg x 16, 1.8V Enhanced+ Boot Block Flash Memory
MT28F320A18_3.fm - Rev. 3, Pub. 9/2002
2002, Micron Technology Inc.
27
ABSOLUTE MAXIMUM RATINGS*
Voltage to Any Ball Except Vcc and Vpp
with Respect to Vss.............................-0.5V to +2.45V
Vpp Voltage (for BLOCK ERASE and
PROGRAM with Respect to Vss) ........-0.5V to +13.5V
Vcc and VccQ Supply Voltage
with Respect to Vss.............................-0.3V to +2.45V
Output Short Circuit Current ...............................100mA
Operating Temperature Range................-40
o
C to +85
o
C
Storage Temperature Range ..................-55
o
C to +125
o
C
Soldering Cycle...........................................260
o
C for 10s
*Stresses greater than those listed under “Absolute
Maximum Ratings” may cause permanent damage to
the device. This is a stress rating only and functional
operation of the device at these or any other condi-
tions above those indicated in the operational sections
of this specification is not implied. Exposure to abso-
lute maximum rating conditions for extended periods
may affect reliability.
Notes: 1.
V
PP
= V
PP
2
is a maximum of 10 cumulative hours.
Figure 9: AC Input/Output Reference Waveform
Figure 10: Output Load Circuit
RECOMMENDED OPERATING CONDITIONS
PARAMETER/CONDITION
SYMBOL
MIN
-40
MAX
+85
UNITS
NOTES
Operating temperature
t
A
V
CC
V
CC
Q
1
V
PP
1
V
PP
2
V
PP
1
V
PP
2
o
C
V
V
V
V
V
CC
supply voltage
I/O supply voltage (V
CC
= 1.65V–1.95V)
Supply voltage, when used as logic control
V
PP
in-factory programming voltage
Block erase cycling
1.65
1.65
0.9
11.4
100,000
1.95
1.95
1.95
12.6
100
V
PP
= V
PP
1
V
PP
= V
PP
2
Cycles
Cycles
1
Output
Test Points
Input
V
CC
V
SS
AC test inputs are driven at V
CC
for a logic 1 and V
SS
for a logic 0. Input timing begins at V
CC
/2,
and output timing ends
at V
CC
Q/2. Input rise and fall times (10% to 90%) < 5ns.
V
CC
Q/2
V
CC
/2
I/O
14.5K
30pF
V
CC
V
SS
14.5K
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