T
T
T
S
S
S
3
3
3
2
2
2
M
M
M
L
L
L
S
S
S
7
7
7
2
2
2
V
V
V
6
6
6
D
D
D
168PIN PC133 Unbuffered DIMM
256MB With 16Mx8 CL3
(Recommended operating condition unless otherwise noted, TA = 0 to 70°C)
Parameter Symbol
Active Standby Current
Test Condition Value Unit Note
ICC3N
CKE≥VIH(min), /CS≥VIH(min), tCC=10s
in non power-down mode
(One Bank Active)
AC OPERATING TEST CONDITIONS
(VDD = 3.3V±0.3V, TA = 0 to 70°C)
Operating Current
(One Bank Active)
Input signals are changed one time during 30ns
540
mA
I
CC1
Burst Length =1
t
RC≥tRC(min)
I
O=0mA
1,080 mA 1
I
CC3NS
CKE≥VIH(min), CLK≤VIL(max), tCC=∞
Input signals are stable
450
ICC2P
CKE≤V
IL(max), tCC=10ns 36
Operating Current
(Bust Mode)
ICC4
Precharge Standby Current
in power-down mode
I
CC2PS
CKE & CLK≤V
IL(max), tCC=∞
36
1,620
mA 1
mA
I
OL= 0 mA
Page Burst
4 Banks activated
tcc
D
= 2CLKs
ICC2N
CKE≥V
IH(min), /CS≥VIH(min), tCC=10ns
Precharge Standby Current
in non power-down mode
tRC≥tRC(min) 2,070 mA 2
Input signals are changed one time during 20ns
360
mA
Self Refresh Current ICC6
I
CC2NS
CKE≥V
IH(min), CLK≤VIL(max), tCC=∞
Input signals are stable
Note:
1. Measured with outputs open.
180
2. Refresh period is 64ms
CKE≤0.2V 36 mA
ICC3P
Active Standby Current
in power-down mode
3. Unless otherwise noted, input swing level is CMOS (VIH/VIL=VDDQ/VSSQ)
CKE≤V
IL(max), tCC=10ns 90
mA
I
CC3PS
CKE & CLK≤V
IL(max), tCC=∞
90
Refresh Current ICC5
Transcend Information Inc.
6
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