W3DG64126V-D2 Datasheet, PDF (4/9 Pages) White Electronic Designs Corporation – 1GB - 2x64Mx64, SDRAM UNBUFFERED

White Electronic Designs
W3DG64126V-D2
IDD SPECIFICATIONS AND CONDITIONS
VCC, VCCQ = +3.3V ±0.3V; SDRAM component values only
MAX
PARAMETER/CONDITION
SYMBOL 7
7.5
OPERATING CURRENT: Active Mode; Burst = 2; READ or WRITE; tRC = tRC (MIN)
IDD1
STANDBY CURRENT: Power-Down Mode; All device devicebanks idle; CKE = LOW IDD2
STANDBY CURRENT: Active Mode; CKE = HIGH; CS# = HIGH; All device banks
IDD3
active after tRCD met; No accesses in progress
OPERATING CURRENT: Burst Mode; Continuous burst; READ or WRITE; All
IDD4
device banks active
AUTO REFRESH CURRENT
tRFC = tRFC (MIN)
IDD5
CKE = HIGH; CS# = HIGH
tRFC = 7.8125µs
IDD6
SELF REFRESH CURRENT: CKE < 0.2V
IDD7
1,920
56
720
2,000
3,920
96
96
1,760
56
720
1,840
3,920
96
96
Notes:
1. Measured with outputs open.
2. Refresh period is 64ms.
10
1,760
56
720
UNITS
mA
mA
mA
NOTES
1
1,840
mA
1
3,920
mA
2
96
mA
96
mA
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
January 2005
Rev. 1
4
White Electronic Designs Corporation • [phone] • www.wedc.com