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DTM63389B
512MB, 240-Pin Unbuffered ECC DDR2 DIMM
Document 06514, Revision A, 13-Mar-2009, Dataram Corporation © 2009 Page 6
I
DD
Specifications and Conditions (T
A
= 0 to 70 C, Voltage referenced to V
ss
= 0 V)
PARAMETER Symbol Test Condition
Max
Value
Unit
Operating One
Bank Active-
Precharge Current
I
DD
0
CKE is HIGH, /CS is HIGH between valid commands; Address bus
inputs are switching; Data bus inputs are switching.
450
mA
Operating One
Bank Active-Read-
Precharge Current
I
DD
1
I
OUT
= 0 mA; BL = 4, CL = 5 ns, AL = 0; CKE is HIGH, /CS is HIGH
between valid commands; Address bus inputs are switching.
575
mA
Precharge Power-
Down Current
I
DD
2P
All banks idle; CKE is LOW; Other control and address bus inputs
are stable; Data bus inputs are floating.
50
mA
Precharge Quiet
Standby Current
I
DD
2Q
All banks idle; CKE is HIGH, /CS is HIGH; Other control and
address bus inputs are stable; Data bus inputs are floating.
150
mA
Precharge Standby
Current
I
DD
2N
All banks idle; CKE is HIGH, /CS is HIGH; Other control and
address bus inputs are switching; Data bus inputs are switching.
200
mA
Active Power-Down
Current
I
DD
3P
All banks open; CKE is LOW; Other control and address bus inputs
are stable; Data bus inputs are floating. Fast Power-down exit
(Mode Register bit 12 = 0)
125
mA
Active Power-Down
Current
I
DD
3P
All banks open; CKE is LOW; Other control and address bus inputs
are stable; Data bus inputs are floating. Slow Power-down exit
(Mode Register bit 12 = 1)
60
mA
Active Standby
Current
I
DD
3N
All banks open; t
RAS
= 70 ms; CKE is HIGH, /CS is HIGH between
valid commands; Other control and address bus inputs are
switching; Data bus inputs are switching.
250
mA
Operating Burst
Write Current
I
DD
4W
All banks open, Continuous burst writes; BL = 4, CL = 5 t
CK
, AL = 0;
t
RAS
= 70 ms, CKE is HIGH, /CS is HIGH between valid commands;
Address bus inputs are switching; Data bus inputs are switching.
975
mA
Operating Burst
Read Current
I
DD
4R
All banks open, Continuous burst reads, I
OUT
= 0 mA; BL = 4,
CL = 5 t
CK
, AL = 0, t
RAS
= 70 ms; CKE is HIGH, /CS is HIGH
between valid commands; Address bus inputs are switching; Data
bus inputs are switching.
975
mA
Burst Refresh
Current
I
DD
5
Refresh command at every 75 ns; CKE is HIGH, /CS is HIGH
between valid commands; Other control and address bus inputs are
switching; Data bus inputs are switching.
875
mA
Self Refresh
Current
I
DD
6
CK and /CK at 0 V; CKE 0.2 V; Other control and address bus
inputs are floating; Data bus inputs are floating.
50
mA
Operating Bank
Interleave Read
Current
I
DD
7
All bank interleaving reads, I
OUT
= 0 mA; BL = 4, CL = 5 t
CK
;
AL = tRCD(IDD) -1 × tCK(IDD); t
RRD
= 7.5 ns; CKE is HIGH, /CS is
HIGH between valid commands; Address bus inputs are stable
during deselects; Data bus inputs are switching.
1325
mA
Notes: For all I
DD
X measurements, t
CK
= 3 ns, t
RC
= 60 ns, t
RCD
= 15 ns, t
RAS
= 45 ns, and t
RP
= 15 ns unless otherwise specified.
All currents are based on absolute maximum values.
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