W3DG647V-D1 Datasheet, PDF (4/5 Pages) White Electronic Designs Corporation – 64MB- 8Mx64 SDRAM UNBUFFERED

White Electronic Designs
W3DG647V-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
ICC1
ICC2P
ICC2PS
Icc2N
Conditions
Burst Length = 1
tRC ³ 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
Icc2NS
CKE ≥ VIH(min), CLK ≤VIL(max), tCC = ∞
Input signals are stable
133 100 Units Note
460 400 mA
1
5
mA
5
60
mA
25
Active standby current in
power-down mode
ICC3P
ICC3PS
CKE ≥ VIL(max), tCC = 10ns
CKE & CLK ≤ VIL(max), tCC = ∞
15
mA
15
Active standby current in
non power-down mode
ICC3N
CKE ≥ VIH(min), CS ≥ VIH(min), tcc = 10ns
120
mA
Input signals are changed one time during 20ns
ICC3NS
CKE ≥ VIH(min), CLK ≤ VIL(max), tcc = ∞
Input signals are stable
100
mA
Operating current (Burst mode)
ICC4
Io = mA
Page burst
4 Banks activated
tCCD = 2CLK
460 380 mA
1
Refresh current
ICC5
tRC ≥ tRC(min)
540 500 mA
2
Self refresh current
ICC6
CKE ≤ 0.2V
5
mA
Notes:
1. Measured with outputs open.
2. Refresh period is 64ms.
3. Unless otherwise noticed, input swing level is CMOS (VIH/VIL = VCCQ/VssQ)
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
June 2003
Rev. 1
4
White Electronic Designs Corporation • [phone] • www.wedc.com