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W3DG72256V-D2 Datasheet, PDF (4/6 Pages) White Electronic Designs Corporation – 2GB - 256Mx72 SDRAM, REGISTER and SPD, w/PLL
White Electronic Designs
W3DG72256V-D2
Parameters
Operating Current
(One bank active)
Precharge Standby Current
in Power Down Mode
Precharge Standby Current
in Non-Power Down Mode
Active standby current in
power-down mode
OPERATING CURRENT CHARACTERISTICS
VCC = 3.3V, 0°C ≤ TA ≤ 70°C
Symbol
Conditions
ICC1
ICC2P
ICC2PS
ICC2N
ICC2NS
ICC3P
ICC3PS
Burst Length = 1
tRC ≥ tRC(min)
IOL = 0mA
CKE ≤ VIL(max), tCC = 10ns
CKE & CLK ≤ VIL(max), tCC = ∞
CKE ≥ VIH(min), CS ≥ VIH(min), tCC =10ns
Input signals are charged one time during 20
CKE ≥ VIH(min), CLK ≤ VIL(max), tCC= ∞
Input signals are stable
CKE ≥ VIL(max), tCC = 10ns
CKE & CLK ≤ VIL(max), tCC = ∞
Versions
Units
Note
133/100
7525
mA
1
541
mA
3
450
mA
3
1405
mA
3
468
mA
3
468
mA
3
375
mA
3
Active standby in current non power-
ICC3N
CKE ≥ VIH(min), CS ≥ VIH(min), tCC = 10ns
2125
mA
3
down mode
Input signals are charged one time during 20ns
Operating current (Burst mode)
Refresh current
Self refresh current
ICC3NS
ICC4
ICC5
ICC6
CKE ≥ VIH(min), CLK ≤ VIL(max), tCC = ∞
input signals are stable
Io = mA
Page burst
4 Banks activated
tCCD = 2CLK
tRC ≥ tRC(min)
CKE ≤ 0.2V
1487
mA
3
7525
mA
1
12205
mA
2
577
mA
3
Notes: 1. Measured with outputs open.
2. Refresh period is 64ms.
3. Measured with 1 PLL & 2 Drive ICs.
August 2005
Rev. 3
4
White Electronic Designs Corporation • (602) 437-1520 • www.wedc.com