W3EG7264S-AD4 Datasheet, PDF (5/13 Pages) White Electronic Designs Corporation – 512MB - 2x32Mx72 DDR ECC SDRAM UNBUFFERED w/PLL

White Electronic Designs
W3EG7264S-AD4
-BD4
PRELIMINARY
IDD SPECIFICATIONS AND TEST CONDITIONS
Recommended operating conditions, 0°C ≤ TA ≤ 70°C, VCCQ = 2.5V ± 0.2V, VCC = 2.5V ± 0.2V
DDR333@CL=2.5 DDR266@CL=2, 2.5 DDR200@CL=2
Parameter
Symbol Conditions
Max
Max
Max
Operating Current
IDD0 One device bank; Active - Precharge;
2205
2025
2025
(MIN); DQ,DM and DQS inputs
changing once per clock cycle; Address
and control inputs changing once every
two cycles. TRC=TRC(MIN); TCK=TCK
Operating Current
IDD1 One device bank; Active-
2610
2340
2340
Read-Precharge; Burst = 2;
TRC=TRC(MIN);TCK=TCK (MIN); Iout
= 0mA; Address and control inputs
changing once per clock cycle.
Precharge Power-Down IDD2P All device banks idle; Power-down
72
72
72
Standby Current
mode; TCK=TCK(MIN); CKE=(low)
Idle Standby Current
IDD2F CS# = High; All device banks idle;
900
810
810
TCK=TCK(MIN); CKE = high; Address
and other control inputs changing once
per clock cycle. VIN = VREF for DQ, DQS
and DM.
Active Power-Down
IDD3P One device bank active; Power-down
540
450
450
Standby Current
mode; TCK(MIN); CKE=(low)
Active Standby Current IDD3N CS# = High; CKE = High; One
1080
900
900
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.
Operating Current
IDD4R Burst = 2; Reads; Continous burst; One
2655
2250
2250
device bank active;Address andcontrol
inputs changing once per clock cycle;
TCK=TCK(MIN); IOUT = 0mA.
Operating Current
IDD4W Burst = 2; Writes; Continous burst; One
2655
2250
2250
device bank active; Address and control
inputs changing once per clock cycle;
TCK=TCK(MIN); DQ,DM and DQS inputs
changing twice per clock cycle.
Auto Refresh Current
IDD5 TRC=TRC(MIN)
3375
3015
3015
Self Refresh Current
IDD6 CKE ≤ 0.2V
72
72
72
Operating Current
IDD7A Four bank interleaving Reads (BL=4)
4770
4050
4050
with auto precharge with TRC=TRC (MIN);
TCK=TCK(MIN); Address and control
inputs change only during Active Read
or Write commands
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
January 2005
Rev. 3
5
White Electronic Designs Corporation • [phone] • www.wedc.com