W3E232M16S-XSTX Datasheet, PDF (13/22 Pages) White Electronic Designs Corporation – 2x32Mx16bit DDR SDRAM

White Electronic Designs
W3E232M16S-XSTX
PRELIMINARY*
IDD SPECIFICATIONS AND CONDITIONS
-40°C ≤ TA +85°C; VccQ = +2.6 ±0.1V, Vcc = +2.6V ±0.1V Notes: 1-5, 10, 12, 14, 46
Parameter/Condition
Max
Symbol
DDR333 DDR266
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
IDD0
260
260
OPERATING CURRENT: One bank; Active-Read-Precharge;
Burst = 4; tRC=tRC (MIN); tCK=tCK (MIN); IOUT = 0mA; Address and control inputs
changing once per clock cycle
IDD1
320
320
PRECHARGE POWER-DOWN STANDBY CURRENT: All banks idle; Power-down
IDD2P
10
10
mode; tCK=tCK (MIN); CKE = (LOW)
IDLE STANDBY CURRENT: CS# = HIGH; All banks are idle;
IDD2F
90
90
tCK=tCK; CKE = HIGH; Address and other control inputs changing once per clock
cycle. VIN = VREF for DQ, DQS, and DM
ACTIVE POWER-DOWN STANDBY CURRENT: One bank active;
Power-down mode; tCK=tCK (MIN); CKE = (LOW)
IDD3P
70
70
ACTIVE STANDBY CURRENT: CS# = HIGH; CKE = HIGH;
IDD3N
100
100
One bank active; Address and control inputs changing once per clock cycle; tCK=tCK
(MIN); IOUT = 0mA
OPERATING CURRENT: Burst = 2; Writes; Continuous burst;
IDD4R
330
330
One bank active; Address and control inputs changing once per clock cycle; tCK=tCK
(MIN); IOUT = 0mA
OPERATING CURRENT: Burst = 2; Writes; Continuous burst;
IDD4W
350
310
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
AUTO REFRESH BURST CURRENT:
tREFC = tRFC(MIN)
IDD5
580
580
tREFC = 7.8us
IDD5A
20
20
DDR200
230
290
10
85
60
90
290
270
560
20
Units
mA
mA
mA
mA
mA
mA
mA
mA
mA
mA
SELF REFRESH CURRENT; CKE ≤0.2V
Standard
OPERATING CURRENT: Four bank interleaving READs
(Burst = 4) with auto precharge, tRC = minimum tRC allowed:
tCK=tCK (MIN); Address and control inputs change only during Active READ, or
WRITE commands
IDD6
10
10
10
mA
IDD7
810
800
700
mA
Notes
22, 47,
53
22, 47,
53
23, 32,
49
50, 54
23, 32,
49, 54
22, 54
22, 47,
53
22, 53
49, 54
27, 47,
54
11, 54
22, 48,
53
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
December 2005
Rev. 1
13
White Electronic Designs Corporation • [phone] • www.wedc.com