參數(shù)資料
型號(hào): μPD4516421A
廠(chǎng)商: NEC Corp.
英文描述: 16M-bit Synchronous DRAM(16M 同步動(dòng)態(tài)RAM)
中文描述: 1,600位同步DRAM(1,600同步動(dòng)態(tài)RAM)的
文件頁(yè)數(shù): 36/86頁(yè)
文件大?。?/td> 904K
代理商: ΜPD4516421A
μ
PD4516421A, 4516821A, 4516161A for Rev. P
36
DC Characteristics 1 (Recommended Operating Conditions unless otherwise noted)
Parameter
Symbol
Test condition
CAS
latency
Grade
Maximum
Unit Notes
×
4
×
8
×
16
Operating current
I
CC1
Burst length=1
t
RC
t
RC (MIN.)
I
O
= 0 mA
CL = 2
–80
100105 110
–10
100105 110
–10B 85 90
95
One bank active
–12
85 90
95
mA
1
CL = 3
–80
110115 120
–10
110115 120
–10B 90 95 100
–12
90 95 100
Precharge standby current
in Power down mode
I
CC2
P
CKE
V
IL (MAX.)
t
CK
= 15 ns
3
3
3
mA
I
CC2
PS
CKE
V
IL (MAX.)
t
CK
=
2
2
2
Precharge standby current
in Non power down mode
I
CC2
N
CKE
V
IH (MIN.)
t
CK
= 15 ns
CS
V
IH (MIN.)
Input signals are changed one time during 30 ns.
25 25
25
mA
I
CC2
NS
CKE
V
IH (MIN.)
t
CK
=
Input signals are stable.
6
6
6
Active standby current in
Power down mode
I
CC3
P
CKE
V
IL (MAX.)
t
CK
= 15 ns
3
3
3
mA
I
CC3
PS
CKE
V
IL (MAX.)
t
CK
=
2
2
2
Active standby current
in Non power down mode
I
CC3
N
CKE
V
IH (MIN.)
t
CK
= 15 ns
CS
V
IH (MIN.)
Input signals are changed one time during 30 ns.
28 28
30
mA
I
CC3
NS
CKE
V
IH (MIN.)
t
CK
=
Input signals are stable.
12 12
15
Operating current
(Burst mode)
I
CC4
t
CK
t
CK (MIN.)
I
O
= 0 mA
CL = 2
–80
95 105 110
–10
75 85
90
–10B 75 85
90
All banks active
–12
65 75
80
mA
2
CL = 3
–80
110120 125
–10
90 100 105
–10B 90 100 105
–12
80 90
95
Refresh current
I
CC5
t
RC
= 100 ns
t
CK
= MIN.
CL = 2
–80
90 90
90
–10
90 90
90
–10B 90 90
90
–12
90 90
90
CL = 3
–80
90 90
90
mA
3
–10
90 90
90
–10B 90 90
90
–12
90 90
90
Self refresh Current
I
CC6
CKE
0.2V
–**
1
1
1
mA
–**L 250250 250
μ
A
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