W3E32M72SR-XSBX Datasheet, PDF (12/19 Pages) White Electronic Designs Corporation – 32Mx72 REGISTERED DDR SDRAM

White Electronic Designs ^{W3E32M72SR-XSBX}
ICC SPECIFICATIONS AND CONDITIONS (NOTES 1-5, 10, 12, 14, 46, 54)
VCC, VCCQ = +2.5V ± 0.2V; -55°C ≤ TA ≤ +125°C
MAX
Parameter/Condition
Symbol 250MHz 200MHz
266MHz
OPERATING CURRENT: One bank; Active-Precharge; tRC = tRC (MIN); tCK = tCK (MIN); DQ, DM, and DQS inputs
changing once per clock cyle; Address and control inputs changing once every two clock cycles; (22, 47)
ICC0
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, 47)
ICC1
800
725
PRECHARGE POWER-DOWN STANDBY CURRENT: All banks idle; Power-down mode; tCK = tCK (MIN); CKE =
ICC2P
25
25
LOW; (23, 32, 49)
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 (50)
ICC2F
225
200
ACTIVE POWER-DOWN STANDBY CURRENT: One bank active; Power-down mode; tCK = tCK (MIN); CKE =
LOW (23, 32, 49)
ICC3P
175
150
ACTIVE STANDBY CURRENT: CS = HIGH; CKE = HIGH; One bank; Active-Precharge; tRC = tRAS (MAX); tCK = tCK ICC3N
(MIN); DQ, DM, and DQS inputs changing twice per clock cycle; Address and other control inputs changing once
per clock cycle (22)
OPERATING CURRENT: Burst = 2; Reads; Continuous burst; One bank active; Address and control inputs changing ICC4R
once per clock cycle; tCK = tCK (MIN); IOUT = 0mA (22, 47)
OPERATING CURRENT: Burst = 2; Writes; Continuous burst; One bank active; Address and control inputs changing ICC4W
once per clock cycle; tCK = tCK (MIN); DQ, DM, and DQS inputs changing twice per clock cycle (22)
AUTO REFRESH CURRENT
tREFC = tRC (MIN) (49)
ICC5
tREFC = 7.8125µs (27, 49)
ICC5A
SELF REFRESH CURRENT: CKE 0.2V
Standard (11)
ICC6
OPERATING CURRENT: Four bank interleaving READs (BL=4) with auto precharge, tRC =tRC (MIN); tCK = tCK (MIN);
ICC7
Address and control inputs change only during Active READ or WRITE commands. (22, 48)
250
825
755
1,450
50
25
2,000
225
725
675
1,400
50
25
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.
July 2006
Rev. 3
12
White Electronic Designs Corporation • [phone] • www.wedc.com