K4D263238E Datasheet, PDF (11/17 Pages) Samsung semiconductor – 1M x 32Bit x 4 Banks Graphic Double Data Rate Synchronous DRAM with Bi-directional Data Strobe and DLL

K4D263238E-GC
128M GDDR SDRAM
DC CHARACTERISTICS
Recommended operating conditions Unless Otherwise Noted, TA=0 to 65°C)
Parameter
Symbol
Test Condition
Version
Unit Note
-25 -2A -33 -36 -40 -45
Operating Current
(One Bank Active)
ICC1
Burst Lenth=2 tRC ≥ tRC(min)
IOL=0mA, tCC= tCC(min)
530 455 400 375 350 350 mA 1
Precharge Standby Current
in Power-down mode
ICC2P
CKE ≤ VIL(max), tCC= tCC(min)
110 95
80
80
75
70 mA
Precharge Standby Current
in Non Power-down mode
ICC2N
CKE ≥ VIH(min), CS ≥ VIH(min),
tCC= tCC(min)
185
150
130
125
115
110 mA
Active Standby Current
power-down mode
ICC3P CKE ≤ VIL(max), tCC= tCC(min) 200 160 140 130 120 120 mA
Active Standby Current
in Non Power-down mode
ICC3N
CKE ≥ VIH(min), CS ≥ VIH(min),
tCC= tCC(min)
410
300
260
250
240
230 mA
Operating Current
( Burst Mode)
ICC4
IOL=0mA ,tCC= tCC(min),
1090 830 735 680 625 570 mA
Page Burst, All Banks activated.
Refresh Current
ICC5
tRC ≥ tRFC(min)
415 350 310 310 300 290 mA 2
Self Refresh Current
ICC6
CKE ≤ 0.2V
3
mA
Operating Current
(4Bank interleaving)
ICC7
Burst Length=4 tRC ≥ tRC(min) _{1210 935 830 770 710 655 mA}
IOL=0mA, tCC= tCC(min)
Note : 1. Measured with outputs open.
2. Refresh period is 32ms.
AC INPUT OPERATING CONDITIONS
Recommended operating conditions(Voltage referenced to VSS=0V, TA=0 to 65°C)
Parameter
Symbol
Min
Typ
Max
Unit Note
Input High (Logic 1) Voltage ;DQ
VREF+0.35
-
VIH
VREF+0.4
-
-
V
-
V
3
Input Low (Logic 0) Voltage; DQ
-
VIL
-
-
VREF-0.35
V
-
VREF-0.4
V
3
0.7
Clock Input Differential Voltage; CK and CK
VID
0.8
-
VDDQ+0.6
V
1
-
VDDQ+0.6
V
1, 3
Clock Input Crossing Point Voltage; CK and CK
VIX
0.5*VDDQ-0.2
-
0.5*VDDQ+0.2
V
2
Note : 1. VID is the magnitude of the difference between the input level on CK and the input level on CK
2. The value of VIX is expected to equal 0.5*VDDQ of the transmitting device and must track variations in the DC level of the same
3. 400MHz only
- 11 -
Rev 1.7 (Nov. 2003)