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512Mb Mobile SDRAM_TwinDie_x32.fm - Rev. C 6/05 EN
7 ©2004 Micron Technology, Inc. All rights reserved.
512Mb : x32 TwinDie Mobile SDRAM Addendum
Electrical Specifications
Table 7: IDD Specifications and Conditions (V version)
VDD = +2.5 ±0.2V, VDDQ = +2.5 ±0.2V
Notes: 1, 5, 6, 11, 13; please refer to the 256Mb: x32 Mobile SDRAM data sheet for all notes.
MAX
Parameter/Condition Symbol -8 -10 Units Notes
Operating Current: Active Mode; Burst = 2; READ or
WRITE;
t
RC =
t
RC (MIN)
I
DD1 210 185 mA 3, 18, 19, 28
Standby Current: Power-Down Mode; All banks idle;
CKE = LOW
I
DD2N 800 800 µA 32
Standby Current: Power-Down Mode; All banks idle;
CKE = HIGH
I
DD2NS 60 60 mA
Standby Current: Active Mode; CKE = HIGH; CS# = HIGH;
All banks active after
t
RCD met; No accesses in progress
I
DD3NS 80 80 mA 3, 12, 19, 28
Standby Current: Active Mode; CKE = LOW; CS# = HIGH;
All banks active; No accesses in progress
I
DD3N 60 60 mA
Operating Current: Burst Mode; Continuous burst;
READ or WRITE; All banks active, half DQs toggling
every cycle.
I
DD4 165 140 mA 3, 18, 19, 28
Auto Refresh Current
CKE = HIGH; CS# = HIGH
t
RFC =
t
RFC
(MIN)
IDD5 300 250 mA 3, 12, 18, 19,
28, 29
t
RFC = 7.8µs
IDD65.05.0mA
Deep power down
I
ZZ 20 20 µA
Table 8: IDD Specifications and Conditions (H version)
VDD = 1.8 ±0.1V, VDDQ = 1.8V ±0.1V
Notes: 1, 5, 6, 11, 13; please refer to the 256Mb: x32 Mobile SDRAM data sheet for all notes.
MAX
Parameter/Condition Symbol -8 -10 Units Notes
Operating Current: Active Mode; Burst = 2; READ or
WRITE;
t
RC =
t
RC (MIN)
I
DD1 155 130 mA 3, 18, 19, 28
Standby Current: Power-Down Mode; All banks idle;
CKE = LOW
I
DD2N 600 600 µA 32
Standby Current: Power-Down Mode; All banks idle;
CKE = HIGH
I
DD2NS 40 40 mA
Standby Current: Active Mode; CKE = HIGH; CS# = HIGH;
All banks active after
t
RCD met; No accesses in progress
I
DD3NS 60 60 mA 3, 12, 19, 28
Standby Current: Active Mode; CKE = LOW; CS# = HIGH;
All banks active; No accesses in progress
I
DD3N 40 40 mA
Operating Current: Burst Mode; Continuous burst;
READ or WRITE; All banks active, half DQs toggling
every cycle.
I
DD4 115 95 mA 3, 18, 19, 28
Auto Refresh Current
CKE = HIGH; CS# = HIGH
t
RFC =
t
RFC
(MIN)
I
DD5 245 205 mA 3, 12, 18, 19,
28, 29
t
RFC = 7.8µs
I
DD65.05.0mA
Deep power down
I
ZZ 20 20 µA
