
Rev. 0.3 /  Dec. 01
25 
HY5DU12422T
HY5DU12822T
HY5DU121622T
DC CHARACTERISTICS II 
(TA=0 to 70
°
C
, Voltage referenced to V
SS
 = 0V)
64Mx8
Parameter
Symbol
Test Condition
Speed
Unit
Note
-K
-H
-L
Operating Current
IDD0
One bank; Active - Precharge ; tRC=tRC(min); 
tCK=tCK(min) ; DQ,DM and DQS inputs changing 
twice per clock cycle; address and control inputs 
changing once per clock cycle
90
90
85
Operating Current
I
DD1
One bank; Active - Read - Precharge; 
Burst Length=2; tRC=tRC(min); tCK=tCK(min); 
address and control inputs changing once per 
clock cycle
120
120
110
mA
Precharge Power Down 
Standby Current
I
DD2P
All banks idle; Power down mode; CKE=Low, 
tCK=tCK(min)
10
mA
Idle Standby Current
I
DD2F
/CS=High, All banks idle; tCK=tCK(min); 
CKE=High; address and control inputs changing 
once per clock cycle. 
VIN=VREF for DQ, DQS and DM
35
mA
Active Power Down 
Standby Current
I
DD3P
One bank active; Power down mode; CKE=Low, 
tCK=tCK(min)
15
mA
Active Standby Current
I
DD3N
/CS=HIGH; CKE=HIGH; One bank; Active-
Precharge; tRC=tRAS(max); tCK=tCK(min); 
DQ, DM and DQS inputs changing twice per clock 
cycle; Address and other control inputs changing 
once per clock cycle
50
mA
Operating Current 
I
DD4R
Burst=2; Reads; Continuous burst; One bank 
active; Address and control inputs changing once 
per clock cycle; tCK=tCK(min); IOUT=0mA
200
200
140
mA
Operating Current 
I
DD4W
Burst=2; Writes; Continuous burst; One bank 
active; Address and control inputs changing once 
per clock cycle; tCK=tCK(min); DQ, DM and DQS 
inputs changing twice per clock cycle
250
250
190
Auto Refresh Current
I
DD5
tRC=tRFC(min) - 8*tCK for DDR200 at 100Mhz, 
10*tCK for DDR266A & DDR266B at 133Mhz; 
distributed refresh
300
300
260
Self Refresh Current
I
DD6
CKE =< 0.2V; External clock on; 
tCK=tCK(min)
Normal
4
mA
Low Power
2.5
mA
Operating Current - Four 
Bank Operation
I
DD7
Four bank interleaving with BL=4, Refer to the 
following page for detailed test condition
400
400
300
mA