參數(shù)資料
型號: MC-428LFC72
廠商: NEC Corp.
英文描述: 3.3 V Operation 4M-Word By 64-Bit Dynamic RAM Module(工作電壓為3.3V的動態(tài)RAM模塊)
中文描述: 3.3 V工作4分,64個字位動態(tài)RAM模塊(工作電壓為3.3伏的動態(tài)內(nèi)存模塊)
文件頁數(shù): 5/28頁
文件大小: 223K
代理商: MC-428LFC72
MC-428LFC72
5
DC Characteristics (Recommended operating conditions unless otherwise noted)
Parameter
Symbol
Test condition
MIN.
MAX.
Unit
Notes
Operating current
I
CC1
/RAS, /CAS cycling
t
RAC
= 50 ns
1,279
mA
1, 2, 3
t
RC
= t
RC (MIN.)
, I
O
= 0 mA
t
RAC
= 60 ns
1,099
Standby current
I
CC2
/RAS, /CAS
V
IH (MIN.)
, I
O
= 0 mA
73.0
mA
/RAS, /CAS
V
CC
– 0.2 V, I
O
= 0 mA
68.5
/RAS only refresh current
I
CC3
/RAS cycling, /CAS
V
IH (MIN.)
t
RAC
= 50 ns
1,279
mA
1, 2, 3 ,4
t
RC
= t
RC (MIN.)
, I
O
= 0 mA
t
RAC
= 60 ns
1,099
Operating current
I
CC4
/RAS
V
IL (MAX.)
, /CAS cycling
t
RAC
= 50 ns
1,009
mA
1, 2, 5
(Hyper page mode (EDO))
t
HPC
= t
HPC (MIN.)
, I
O
= 0 mA
t
RAC
= 60 ns
919
/CAS before /RAS
I
CC5
/RAS cycling
t
RAC
= 50 ns
1,279
mA
1, 2
refresh current
t
RC
= t
RC (MIN.)
, I
O
= 0 mA
t
RAC
= 60 ns
1,099
Input leakage current
I
I (L)
V
I
= 0 to 3.6 V
/RAS
–45
+45
μ
A
All other pins not under test = 0 V
Others
–5
+5
Output leakage current
I
O (L)
V
O
= 0 to 3.6 V
Output is disabled (Hi-Z)
–5
+5
μ
A
High level output voltage
V
OH
I
O
= –2.0 mA
2.4
V
Low level output voltage
V
OL
I
O
= +2.0 mA
0.4
V
Notes 1.
I
CC1
, I
CC3
, I
CC4
and I
CC5
depend on cycle rates (t
RC
and t
HPC
).
2.
Specified values are obtained with outputs unloaded.
3.
I
CC1
and I
CC3
are measured assuming that address can be changed once or less during /RAS
V
IL (MAX.)
and /CAS
V
IH (MIN.)
.
4.
I
CC3
is measured assuming that all column address inputs are held at either high or low.
5.
I
CC4
is measured assuming that all column address inputs are switched only once during each hyper page
(EDO) cycle.
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