W3EG7236S-D3
White Electronic Designs
PRELIMINARY
IDD SPECIFICATIONS AND TEST CONDITIONS
0°C ≤ TA ≤ 70°C, VCCQ = 2.5V 0.2V, VCC = 2.5V 0.2V
Includes PLL and register power
DDR266@CL=2
Max
DDR266@CL=2.5
DDR200@CL=2
Parameter
Symbol Conditions
IDD0
Units
Max
Max
Operating Current
One device bank; Active - Precharge;
tRC=tRC (MIN); tCK=tCK (MIN); DQ,DM
and DQS inputs changing once per
clock cycle; Address and control
inputs changing once every two
cycles.
1120
1030
985
mA
Operating Current
IDD1
One device bank; Active-Read-
Precharge Burst = 2; tRC=tRC (MIN);
tCK=tCK (MIN); lOUT = 0mA; Address
and control inputs changing once per
clock cycle.
1390
27
1300
27
1210
27
mA
rnA
Precharge Power-
Down Standby
Current
IDD2P
All device banks idle; Power-down
mode; tCK=tCK (MIN); CKE=(low)
Idle Standby Current
IDD2F
CS# = High; All device banks idle;
tCK=tCK (MIN); CKE = high; Address
and other control inputs changing
once per clock cycle. VIN = VREF for
DQ, DQS and DM.
535
315
490
270
472
225
mA
mA
Active Power-Down
Standby Current
IDD3P
IDD3N
One device bank active; Power-Down
mode; tCK (MIN); CKE=(low)
Active Standby
Current
CS# = High; CKE = High; One device
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.
805
1840
1840
715
1570
1570
670
1390
1345
mA
mA
rnA
Operating Current
Operating Current
IDD4R
Burst = 2; Reads; Continuous burst;
One device bank active; Address
and control inputs changing once
per clock cycle; TCK= TCK (MIN); lOUT
= 0mA.
IDD4W
Burst = 2; Writes; Continuous burst;
One device bank active; Address
and control inputs changing once per
clock cycle; tCK=tCK (MIN); DQ,DM
and DQS inputs changing once per
clock cycle.
Auto Refresh
Current
IDD5
tRC = tRC (MIN)
1930
337
1795
337
1660
337
mA
mA
Self Refresh Current
Operating Current
IDD6
CKE ≤ 0.2V
IDD7A
Four bank interleaving Reads (BL=4)
with auto precharge with tRC=tRC
(MIN); tCK=tCK (MIN); Address and
control inputs change only during
Active Read or Write commands.
3536
2831
2426
mA
November 2004
Rev. 1
6
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com
WEDC [ WHITE ELECTRONIC DESIGNS CORPORATION ]
