W3E32M72S-XBX Datasheet, PDF (12/19 Pages) White Electronic Designs Corporation – 32Mx72 DDR SDRAM

White Electronic Designs
W3E32M72S-XBX
ICC SPECIFICATIONS AND CONDITIONS (NOTES 1-5, 10, 12, 14)
VCC, = +2.5V ± 0.2V; -55°C ≤ TA ≤ +125°C
Parameter/Condition
OPERATING CURRENT: One bank; Active-Precharge; tRC = tRC (MIN); tCK = tCK (MIN); DQ, DM, and
DQS inputs changing once per clock cycle; Address and control inputs changing once every two clock
cycles; (22, 48)
MAX
Symbol
333Mbs
250Mbs
266Mbs
200Mbs
ICC0
650
650
575
OPERATING CURRENT: One bank; Active-Read-Precharge; Burst = 2; tRC = tRC (MIN); tCK = tCK (MIN);
IOUT = 0mA; Address and control inputs changing once per clock cycle (22, 48)
ICC1
800
800
725
PRECHARGE POWER-DOWN STANDBY CURRENT: All banks idle; Power-down mode; tCK = tCK
(MIN); CKE = LOW; (23, 32, 50)
ICC2P
25
25
25
IDLE STANDBY CURRENT: CS# = HIGH; All banks idle; tCK = tCK (MIN); CKE = HIGH; Address and
other control inputs changing once per clock cycle. VIN = VREF for DQ, DQS, and DM (51)
ICC2F
225
225
200
ACTIVE POWER-DOWN STANDBY CURRENT: One bank active; Power-down mode; tCK = tCK (MIN);
CKE = LOW (23, 32, 50)
ICC3P
175
175
150
ACTIVE STANDBY CURRENT: CS# = HIGH; CKE = HIGH; One bank; Active-Precharge; tRC = tRAS
(MAX); tCK = tCK (MIN); DQ, DM, and DQS inputs changing twice per clock cycle; Address and other
control inputs changing once per clock cycle (22)
ICC3N
250
250
225
OPERATING CURRENT: Burst = 2; Reads; Continuous burst; One bank active; Address and control
inputs changing once per clock cycle; tCK = tCK (MIN); IOUT = 0mA (22, 48)
ICC4R
825
825
725
OPERATING CURRENT: Burst = 2; Writes; Continuous burst; One bank active; Address and control
inputs changing once per clock cycle; tCK = tCK (MIN); DQ, DM, and DQS inputs changing twice per
clock cycle (22)
ICC4W
975
755
675
AUTO REFRESH CURRENT
tREF = tRC (MIN) (27, 50)
tREF = 7.8125µs (27, 50)
ICC5 1,450 1,450 1,400
ICC5A
50
50
50
SELF REFRESH CURRENT: CKE ≤ 0.2V
Standard (11)
ICC6
25
25
25
OPERATING CURRENT: Four bank interleaving READs (BL=4) with auto precharge, tRC =tRC (MIN);
tCK = tCK (MIN); Address and control inputs change only during Active READ or WRITE commands. (22, ICC7
49)
2,025 2,000 1,750
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
March 2006
Rev. 2
12
White Electronic Designs Corporation • [phone] • www.wedc.com