W3DG647V-D2 Datasheet, PDF (4/5 Pages) White Electronic Designs Corporation – 64MB- 8Mx64 SDRAM UNBUFFERED

White Electronic Designs
W3DG647V-D2
Parameters
OPERATING CURRENT CHARACTERISTICS
(VCC = 3.3V, 0°C≤TA≤70°C)
Symbol
Conditions
Versions
Units
Note
133
100
Operating Current
(One bank active)
ICC1
Burst Length = 1
tRC ≥ tRC(min)
IOL = 0mA
600
520
mA
1
Precharge Standby Current
in Power Down Mode
ICC2P
ICC2PS
CKE ≤ VIL(max), tCC = 10ns
CKE & CK ≤ VIL(max), tCC = ∞
10
mA
10
mA
Precharge Standby Current
in Non-Power Down Mode
ICC2N
CKE ≥ VIH(min), CS ≥ VIH(min), tCC =10ns
Input signals are charged one time during 20
120
mA
ICC2NS
CKE ≥ VIH(min), CK ≤ VIL(max), tCC= ∞
Input signals are stable
50
mA
Active standby current in power-
down mode
ICC3P
ICC3PS
CKE ≥ VIL(max), tCC = 10ns
CKE & CK ≤ VIL(max), tCC = ∞
25
mA
25
Active standby in current non
ICC3N
CKE ≥ VIH(min), CS ≥ VIH(min), tCC = 10ns
200
mA
power-down mode
Input signals are charged one time during 20ns
ICC3NS
CKE ≥ VIH(min), CK ≤ VIL(max), tCC = ∞
input signals are stable
Operating current (Burst mode)
Refresh current
ICC4
Io = mA
Page burst
4 Banks activated
tCCD = 2CK
ICC5
tRC ≥ tRC(min)
Self refresh current
ICC6
CKE ≤ 0.2V
Notes: 1. Measured with outputs open.
2. Refresh period is 64ms.
3. Unless otherwise noticed, input swing level is CMOS (VIH/VIL = VCC/VssQ)
120
mA
920
840
mA
1
1080 810
mA
2
10
mA
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
4
White Electronic Designs Corporation • [phone] • www.wedc.com