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參數(shù)資料
| 型號： | MB85317A-60 |
| 廠商： | Fujitsu Limited |
| 英文描述： | CMOS 4M×72Bit Synchronous Dynamic Random Access Memory (SDRAM)(CMOS 4M×72位 同步動態(tài)RAM) |
| 中文描述： | 4米× 72Bit的CMOS同步動態(tài)隨機(jī)存取存儲器（SDRAM）的CMOS（4分× 72位同步動態(tài)RAM）的 |
| 文件頁數(shù)： | 7/13頁 |
| 文件大?。?/td> | 201K |
| 代理商： | MB85317A-60 |
7
MB85317A-60/MB85317A-70
I
RECOMMENDED OPERATING CONDITION
(Referenced to V
SS
)
Parameter
Note: *Undershoots of up to -1.5volts with a pulse width not exceeding 10ns are acceptable.
I
DC CHARACTERISTICS
(Recommended operating conditions unless otherwise noted.)
Notes: *1
Referenced to V
SS
.
I
CC
depends on the output load conditions and cycle rate. The specific values are obtained with the
output open.
I
CC
depends on the number of address change as RAS = V
IL
and CAS = V
IH
, V
IL
> -0.3V.
I
CC1
, I
CC3
and I
CC5
are specified at one time of address change during RAS = V
IL
and CAS = V
IH
.
I
CC4
is specified at one time of address change during one Page cycle.
*2
Symbol
Min.
Typ.
Max.
Unit
Supply Voltage
V
CC
4.5
5.0
5.5
V
Ground
V
SS
—
0
—
V
Input High Voltage, all inputs
V
IH
2.4
—
6.0
V
Input Low Voltage, all inputs *
V
IL
–0.3
—
0.8
V
°
C
Ambient Temperature
T
A
0
—
70
Parameter
Test Condition
Symbol
Min.
Max.
Unit
Output High Voltage *
1
I
OH
= -5mA
V
OH
2.4
—
V
Output Low Voltage *
1
I
OL
= 4.2mA
V
OL
—
0.4
V
Input Leakage Current
RAS
0V
≤
V
IN
≤
5.5V,
4.5V
≤
V
CC
≤
5.5V,
V
SS
= 0V, all other pins
not under test = 0V
I
I(L)
–50
50
μ
A
Others
–10
10
Output Leakage Current
0V
≤
V
OUT
≤
5.5V,
4.5V
≤
V
CC
≤
5.5V,
Data out disabled
I
O(L)
–10
10
μ
A
Operating Current *
2
(Average power supply
current)
MB85317A-60RAS & CAS cycling,
t
RC
= min.
MB85317A-70
I
CC1
—
1640
mA
—
1440
Standby Current *
2
(Power supply current)
TTL Level
RAS = CAS = PDE = V
IH
I
CC2
—
100
mA
CMOS Level
RAS = CAS = PDE
≥
V
CC
–0.2V
—
80
Refresh Current #1 *
2
(Average power supply
current)
MB85317A-60CAS = V
IH
, RAS = cycling,
t
RC
= min.
MB85317A-70
I
CC3
—
1640
mA
—
1440
Fast Page Mode
Current *
2
MB85317A-60RAS = V
IL
, CAS = cycling,
t
PC
= min.
MB85317A-70
I
CC4
—
1640
mA
—
1440
Refresh Current #2 *
2
(Average power supply
current)
MB85317A-60RAS = cycling, CAS-before-RAS,
t
RC
= min.
MB85317A-70
I
CC5
—
1640
mA
—
1440
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