Specifications

512MB Unbuffered DIMM DDR SDRAM
Products and Specifications discussed herein are subject to change without notice © 2006 Super Talent Tech., Corporation.
8
8.0 DC Operating Conditions
Recommended operating conditions (Voltage referenced to Vss=0V, TA=0 to 70°C)
Symbol Parameter Min Max Unit Note
V
DD
Supply voltage (nominal Vdd 2.5V for DDR333) 2.3 2.7 V
V
DD
Supply voltage ( nominal VDD 2.6V for DDR400) 2.5 2.7 V
V
DDQ
Supply voltage (nominal Vdd 2.5V for DDR333) 2.3 2.7 V
V
DDQ
Supply voltage ( nominal VDD 2.6V for DDR400) 2.5 2.7 V
V
REF
I/O Reference voltage 0.49*V
DDQ
0.51*V
DDQ
V
V
TT
I/O Termination voltage (system) V
REF
-0.04 V
REF
+0.04 V
V
IH
(DC) Input logic high voltage V
REF
+0.15 V
DDQ
+0.3 V
V
IL
(DC) Input logic low voltage -0.3 V
REF
-0.15 V
V
IN
(DC) Input voltage level, CK and CK inputs -0.3 V
DDQ
+0.3 V
V
ID
(DC) Input differential voltage, CK and CK inputs 0.36 V
DDQ
+0.6 V
V
I
(Ratio) V-I Matching: Pullup to Pulldown Current Ration 0.71 1.4 -
I
IN
Input leake current -2 2 µA
I
OZ
Output leakage current -5 5 µA
I
OH
Output high current (Normal strengh driver); V
OUT
= V
TT
+ 0.84V -16.8 mA
I
OL
Output high current (Normal strengh driver); V
OUT
= V
TT
- 0.84V 16.8 mA
I
OH
Output high current (Half strengh driver); V
OUT
= V
TT
+ 0.45V -9 mA
I
OL
Output high current (Half strengh driver); V
OUT
= V
TT
- 0.45V 9 mA
9.0 AC Operating Conditions
Symbol Parameter/Condition Min Max Unit Note
V
IH
(AC) Input High (Logic 1) Voltage, DQ, DQS and DM signals V
REF
+0.31 V
V
IL
(AC) Input Low (Logic 0) Voltage, DQ, DQS and DM signals V
REF
+0.31 V
V
ID
(AC) Input voltage level, CK and CK inputs 0.7 V
DDQ
+0.6 V
V
IX
(AC) Input crossing point voltage, CK and CK inputs 0.5*V
DDQ
-0.2 0.5*V
DDQ
-0.2 V
10. Input/Output Capacitance V
DD
=2.5V, V
DDQ
=2.5V, T
A
=25°C, f=1MHZ
D32PA512N
Symbol Parameter/Condition
Min Max Min Max
Unit
C
IN1
Input capacitance (A0~A12, BA0~BA1, RAS, CAS, WE) 49 57 51 60 pF
C
IN2
Input capacitance (CKE0) 42 50 44 53 pF
C
IN3
Input capacitance (CS0) 42 50 44 53 pF
C
IN4
Input capacitance (CLK0, CLK1, CLK2) 25 30 25 30 pF
C
IN5
Input capacitance (DM0 ~ DM7, DM8 (for ECC)) 6 7 6 7 pF
C
OUT1
Data & DQS input/output capacitance (DQ0 ~ DQ63) 6 7 6 7 pF
C
OUT2
Data input/output capacitance (CB0 ~ CB7) - - 6 7 PF
D32PB12C25
Symbol Parameter/Condition
Min Max Min Max
Unit
C
IN1
Input capacitance (A0~A12, BA0~BA1, RAS, CAS, WE) 65 81 69 87 pF
C
IN2
Input capacitance (CKE0) 42 50 44 53 pF
C
IN3
Input capacitance (CS0) 42 50 44 53 pF
C
IN4
Input capacitance (CLK0, CLK1, CLK2) 28 34 28 34 pF
C
IN5
Input capacitance (DM0 ~ DM7, DM8 (for ECC)) 10 12 10 12 pF
C
OUT1
Data & DQS input/output capacitance (DQ0 ~ DQ63) 10 12 10 12 pF
C
OUT2
Data input/output capacitance (CB0 ~ CB7) - - 10 12 pF