W3E232M16S-XSTX Datasheet, PDF (12/22 Pages) White Electronic Designs Corporation – 2x32Mx16bit DDR SDRAM

White Electronic Designs
W3E232M16S-XSTX
PRELIMINARY*
Parameter/Condition
Input High (Logic 1) Voltage
Input Low (Logic 0) Voltage
AC INPUT OPERATING CONDITIONS
VCC, VCCQ = +2.5V ± 0.2V; -55°C ≤ TA ≤ +125°C
Symbol
VIH
VIL
Min
VREF +0.310
—
Max
—
VREF -0.310
Units
V
V
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
Symbol
Max
DDR400
OPERATING CURRENT: One bank; Active-Precharge;
IDD0
310
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
OPERATING CURRENT: One bank; Active-Read-Precharge;
IDD1
370
Burst = 4; tRC=tRC (MIN); tCK=tCK (MIN); IOUT = 0mA; Address and control inputs changing
once per clock cycle
PRECHARGE POWER-DOWN STANDBY CURRENT: All banks idle; Power-down mode;
IDD2P
10
tCK=tCK (MIN); CKE = (LOW)
IDLE STANDBY CURRENT: CS# = HIGH; All banks are idle;
IDD2F
110
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
90
ACTIVE STANDBY CURRENT: CS# = HIGH; CKE = HIGH;
IDD3N
120
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
380
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
380
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
690
tREFC = 7.8us
IDD5A
22
SELF REFRESH CURRENT; CKE ≤0.2V
Standard
IDD6
10
OPERATING CURRENT: Four bank interleaving READs
IDD7
900
(Burst = 4) with auto precharge, tRC = minimum tRC allowed:
tCK=tCK (MIN); Address and control inputs change only during Active READ, or WRITE
commands
Units
mA
Notes
22, 47
mA
22, 47
mA
23, 32, 49
mA
50
mA
23, 32, 49
mA
22
mA
22, 47
mA
22
mA
49
mA
27, 47
mA
11
mA
22, 48
White Electronic Designs Corp. reserves the right to change products or specifications without notice.
December 2005
Rev. 1
12
White Electronic Designs Corporation • [phone] • www.wedc.com