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K4D551638D-TC60 Datasheet

  • K4D551638D-TC60

  • 256Mbit GDDR SDRAM

  • 232.04KB

  • 18頁

  • SAMSUNG   SAMSUNG

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K4D551638D-TC
Recommended operating conditions Unless Otherwise Noted, T
A
=0 to 65
擄
C)
256M GDDR SDRAM
DC CHARACTERISTICS
Version
Parameter
Operating Current
(One Bank Active)
Precharge Standby Current
in Power-down mode
Precharge Standby Current
in Non Power-down mode
Active Standby Current
power-down mode
Active Standby Current in
in Non Power-down mode
Operating Current
( Burst Mode)
Refresh Current
Self Refresh Current
Symbol
ICC1
ICC2P
ICC2N
ICC3P
ICC3N
ICC4
ICC5
ICC6
Test Condition
-2A
Burst Lenth=2 tRC
鈮?/div>
tRC(min)
IOL=0mA, tCC= tCC(min)
CKE
鈮?/div>
VIL(max), tCC= tCC(min)
CKE
鈮?/div>
VIH(min), CS
鈮?/div>
VIH(min),
tCC= tCC(min)
CKE
鈮?/div>
VIL(max), tCC= tCC(min)
CKE
鈮?/div>
VIH(min), CS
鈮?/div>
VIH(min),
tCC= tCC(min)
tRC
鈮?/div>
tRFC(min)tRC
鈮?/div>
tRFC(min)
Page Burst, All Banks activated.
tRC
鈮?/div>
tRFC(min)
CKE
鈮?/div>
0.2V
TBD
TBD
TBD
TBD
TBD
100
80
150
450
390
TBD
Unit Note
-33
230
-36
220
70
90
75
140
430
380
4
-40
210
-45
200
-50
145
4
-60
125
3
25
35
55
200
180
3
mA
mA
mA
mA
mA
mA
mA
mA
2
1
80
70
130
410
370
70
65
120
390
360
30
55
75
250
200
Note :
1. Measured with outputs open.
2. Refresh period is 32ms for -TC2A/33/36/40/45 (4K/32ms)
Refresh period is 64ms for -TC50/60 (8K/64ms)
AC INPUT OPERATING CONDITIONS
Recommended operating conditions(Voltage referenced to V
SS
=0V, V
DD
=2.6V+ 0.1V, V
DDQ
=2.6V+ 0.1V ,T
A
=0 to 65擄C)
Parameter
Input High (Logic 1) Voltage; DQ
Input Low (Logic 0) Voltage; DQ
Clock Input Differential Voltage; CK and CK
Clock Input Crossing Point Voltage; CK and CK
Symbol
V
IH
V
IL
V
ID
V
IX
Min
V
REF
+0.35
-
0.7
0.5*V
DDQ
-0.2
Typ
-
-
-
-
Max
-
V
REF
-0.35
V
DDQ
+0.6
0.5*V
DDQ
+0.2
Unit
V
V
V
V
Note
1
2
Note :
1. V
ID
is the magnitude of the difference between the input level on CK and the input level on CK
2. The value of V
IX
is expected to equal 0.5*V
DDQ
of the transmitting device and must track variations in the DC level of the same
3. For the K4D551638D-TC2A, VDD & VDDQ = 2.8V+0.1V.
4. For the K4D551638D-TC60, VDD & VDDQ = 2.5V+5%.
- 11 -
Rev 1.8 (Oct. 2003)

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