W3DG644V-D2 Datasheet, PDF (4/6 Pages) White Electronic Designs Corporation – 32MB - 4M x 64 SDRAM UNBUFFERED

White Electronic Designs
W3DG644V-D2
PRELIMINARY
OPERATING CURRENT CHARACTERISTICS
(VCC = 3.3V, 0°C ≤ TA ≤ 70°C)
Parameters
Symbol Conditions
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
ICC1
ICC2P
ICC2PS
ICC2N
ICC2NS
ICC3P
ICC3PS
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
CKE ≥ VIL(max), tCC = 10ns
CKE & CK ≤ VIL(max), tCC = ∞
Versions
Units
Note
133
100
300
300
mA
1
4
mA
4
mA
48
mA
24
mA
8
mA
8
Active standby in current non
ICC3N
CKE ≥ VIH(min), CS ≥ VIH(min), tCC = 10ns
80
mA
power-down mode
Input signals are charged one time during 20ns
Operating current (Burst mode)
Refresh current
Self refresh current
Notes: 1. Measured with outputs open.
2. Refresh period is 64ms.
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
40
mA
460
460
mA
1
360
360
mA
2
4
mA
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
July 2004
Rev 1
4
White Electronic Designs Corporation • [phone] • www.wedc.com