
HY57V281620A
Rev. 1.3/Aug. 01
                                                                                                                                                                                              7
DC CHARACTERISTICS II 
(TA=0 to 70
°
C
, V
DD
=3.3
±
0.3V, V
SS
=0V)
Note : 
1.I
DD1
 and I
DD4
 depend on output loading and cycle rates. Specified values are measured with the output open
2.Min. of tRRC (Refresh RAS cycle time) is shown at AC CHARACTERISTICS II
3.HY57V281620AT-6/7/K/H/8/P/S
4.HY57V281620ALT-6/7/K/H/8/P/S
Parameter
Symbol
Test Condition
Speed
Unit
Note
-6
-7
-K
-H
-8
-P
-S
Operating Current
I
DD1
Burst length=1, One bank active 
t
RC
≥ 
t
RC
(min), I
OL
=0mA
120
120
110
110
100
100
100
mA
1
Precharge Standby Current 
in Power Down Mode
I
DD2P
CKE 
≤ 
V
IL
(max), t
CK
 = 15ns
2
mA
I
DD2PS
CKE 
≤ 
V
IL
(max), t
CK
 =
∞
2
Precharge Standby Current 
in Non Power Down Mode
I
DD2N
CKE
 ≥ 
V
IH
(min), CS
 ≥ 
V
IH
(min), t
CK
 = 15ns
Input signals are changed one time during 
2clks. All other pins 
≥ 
V
DD
-0.2V or 
≤ 
0.2V
20
mA
I
DD2NS
CKE
 ≥ 
V
IH
(min), t
CK
 =
∞
Input signals are stable.
10
Active Standby Current 
in Power Down Mode
I
DD3P
CKE 
≤ 
V
IL
(max), t
CK
 = 15ns
7
mA
I
DD3PS
CKE 
≤ 
V
IL
(max), t
CK
 =
∞
7
Active Standby Current 
in Non Power Down Mode
I
DD3N
CKE
 ≥ 
V
IH
(min), CS
 ≥ 
V
IH
(min), t
CK
 = 15ns
Input signals are changed one time during 
2clks. All other pins 
≥ 
V
DD
-0.2V or 
≤ 
0.2V
40
mA
I
DD3NS
CKE
 ≥ 
V
IH
(min), t
CK
 =
∞
Input signals are stable.
40
Burst Mode Operating 
Current 
I
DD4
t
CK
 ≥ 
t
CK
(min), I
OL
=0mA
All banks active
CL=3
140
130
120
120
110
100
100
mA
1
CL=2
100
100
120
100
100
100
100
Auto Refresh Current
I
DD5
t
RRC
≥ 
t
RRC
(min), All banks active
240
240
240
220
200
200
200
mA
2
Self Refresh Current
I
DD6
CKE 
≤ 
0.2V
2
mA
3
800
uA
4