W3DG7232V-AD1 Datasheet, PDF (4/6 Pages) White Electronic Designs Corporation – 256MB - 32Mx72 SDRAM UNBUFFERED

White Electronic Designs
W3DG7232V-AD1
PRELIMINARY
OPERATING CURRENT CHARACTERISTICS
VCC = 3.3V, 0°C ≤ TA ≤ +70°C
Parameter
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
Active Standby Current in
Non-Power Down Mode
Operating Current (Burst mode)
Refresh Current
Self Refresh Current
Notes:
1. Measured with outputs open.
2. Refresh period is 64ms.
Version
Symbol
ICC1
ICC2P
ICC2PS
ICC2N
ICC2NS
Conditions
Burst Length = 1
tRC ≤ tRC(min)
IOL = 0mA
CKE ≤ VIL(max), tCC = 10ns
CKE & CK ≤ VIL(max), tCC = ∞
CKE ≥ VIH(min), CS ≥ VIH(min), tcc =10ns
Input signals are charged one time during 20
CKE ≥ VIH(min), CK ≥VIL(max), tCC = ∞
Input signals are stable
100/133
Units
Note
900
mA
1
18
mA
18
180
mA
90
ICC3P CKE ≥ VIL(max), tCC = 10ns
54
mA
ICC3PS CKE & CK ≤ VIL(max), tCC = ∞
54
ICC3N CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns Input
signals are changed one time during 20ns
270
mA
ICC3NS
ICC4
ICC5
ICC6
CKE ≥ VIH(min), CK ≤ VIL(max), tcc = ∞
Input signals are stable
Io = mA
Page burst
4 Banks activated
tCCD = 2CK
tRC ≥ tRC(min)
CKE ≤ 0.2V
225
mA
990
mA
1
1980
mA
2
27
mA
July 2004
Rev. 0
4
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