參數(shù)資料
型號(hào)： MT28C3224P20
廠商： Micron Technology, Inc.
元件分類(lèi)： DRAM
英文描述： FLASH AND SRAM COMBO MEMORY
中文描述： 閃存和SRAM式內(nèi)存
文件頁(yè)數(shù)： 25/42頁(yè)
文件大小： 498K
代理商： MT28C3224P20
F
25
2 Meg x 16 Page Flash 256K x 16 SRAM Combo Memory
MT28C3224P20_3.p65 – Rev. 3, Pub. 7/02
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2002, Micron Technology, Inc.
2 MEG x 16 PAGE FLASH
256K x 16 SRAM COMBO MEMORY
ADVANCE
ABSOLUTE MAXIMUM RATINGS*
Voltage to Any Ball Except V
CC
and V
PP
with Respect to V
SS
............................ -0.5V to +2.45V
V
PP
Voltage (for BLOCK ERASE and PROGRAM
with Respect to V
SS
) ....................... -0.5V to +13.5V**
V
CC
and V
CC
Q Supply Voltage
with Respect to V
SS
............................ -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 conditions
above those indicated in the operational sections of
this specification is not implied. Exposure to absolute
maximum rating conditions for extended periods may
affect reliability.
**Maximum DC voltage on V
PP
may overshoot to +13.5V
for periods <20ns.
RECOMMENDED OPERATING CONDITIONS
PARAMETER
Operating temperature
V
CC
supply voltage (MT28C3224P18)
V
CC
supply voltage (MT28C3224P20)
I/O supply voltage (MT28C3224P18)
I/O supply voltage (MT28C3224P20)
V
PP
voltage (when used as logic control)
V
PP
in-factory programming voltage
Data retention supply voltage
Block erase cycling (V
PP
1
)
SYMBOL
t
A
F_V
CC
, S_V
CC
F_V
CC
, S_V
CC
V
CC
Q
V
CC
Q
V
PP
1
V
PP
2
S_V
DR
V
PP
1
V
PP
2
MIN
-40
1.70
1.80
1.70
1.80
0.9
11.4
1.0
–
–
MAX
+85
1.90
2.20
1.90
2.20
2.2
12.6
–
100,000
100
UNITS
o
C
V
V
V
V
V
V
V
Cycles
Cycles
NOTES
V
PP
=
V
PP
1
V
PP
=
V
PP
2
1
FLASH ELECTRICAL SPECIFICATIONS
NOTE:
1. V
PP
= V
PP
2
is a maximum of 10 cumulative hours.
Figure 11
Output Load Circuit
I/O
14.5K
30pF
V
CC
V
SS
14.5K
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
Figure 10
AC Input/Output Reference Waveform
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