W3DG648V-D1 Datasheet, PDF (4/6 Pages) White Electronic Designs Corporation – 64MB - 2x4Mx64 SDRAM, UNBUFFERED

White Electronic Designs
W3DG648V-D1
OPERATING CURRENT CHARACTERISTICS
(VCC = 3.3V, TA = 0°C to +70°C)
Version
Parameter
Operating Current
(One bank active)
Precharge Standby Current
in Power Down Mode
Precharge Standby Current
in Non-Power Down Mode
Symbol Conditions
133/100 Units
Note
ICC1
Burst Length = 1
tRC ≤ tRC(min)
IOL = 0mA
1,000
mA
1
ICC2P
CKE ≤ VIL(max), tCC = 10ns
16
mA
ICC2PS
CKE & CLK ≤ VIL(max), tCC = ∞
16
ICC2N
ICC2NS
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
240
mA
120
Active Standby Current in
Power-Down Mode
ICC3P
ICC3PS
CKE ≥ VIL(max), tCC = 10ns
CKE & CLK ≤ VIL(max), tCC = ∞
50
mA
50
Active Standby Current in
Non-Power Down Mode
ICC3N
CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns
Input signals are changed one time during 20ns
360
mA
ICC3NS
CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞
Input signals are stable
240
mA
ICC4
Operating Current (Burst mode)
Io = mA
Page burst
4 Banks activated
tCCD = 2CLK
1,200
mA
1
Refresh Current
ICC5
tRC ≥ tRC(min)
1,840
mA
2
Self Refresh Current
ICC6
CKE ≤ 0.2V
24
mA
Notes: 1. Measured with outputs open.
2. Refresh period is 64ms.
July 2005
Rev. 6
4
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