Specifications
512MB Unbuffered DIMM     DDR SDRAM 
 Products and Specifications discussed herein are subject to change without notice © 2006 Super Talent Tech., Corporation. 
   2 
1.0 Feature 
•  V
DD
: 2.5V ± 0.2V, V
DDQ
: 2.5V ± 0.2V for DDR333 
•  V
DD
: 2.6V ± 0.1V, V
DDQ
: 2.6V ± 0.2V for DDR400 
•  Double-data-rate architecture; two data transfers per clock cycle 
•  Bidirectional data strobe [DQ] x8) 
•  Differential clock inputs(CK and CK) 
•  DLL aligns DQ and DQS transition with CK transition 
•  Programmable Read latency : DDR333(2.5 Clock), DDR400(3 Clock) 
•  Programmable Burst length (2, 4, 8) 
•  Programmable Burst type (sequential & interleave) 
•  Edge aligned data output, center aligned data input 
•  Auto & Self refresh, 7.8us refresh interval(8K/64ms refresh) 
•  Serial presence detect with EEPROM 
•  PCB : Height 1,250 (mil) & single (512MB), double (512MB) sided 
•  SSTL_2 Interface 
•  66pin TSOP II package 
2.0 Ordering Information 
Part number  Density  Organization  Component composition  No. of rank  Height 
x64 Non ECC 
D32PB12C25  512MB  64x64  32mx8 TSOP II  2  1.25” 
D32PA512N 512MB  64x64  64Mx8 TSOP II  1  1.25” 
      x72 ECC     
512MB  64x72  32mx8 TSOP II  2 
512MB 64x72  64Mx8 TSOP II  1 
3.0 Operating Frequencies 
CC(DDR400@CL=3)  B3(DDR333@CL=2.5) 
Speed @CL2    133MHz 
Speed @CL2.5  166MHz  166MHz 
Speed @CL3  200Mhz   
CL-tRCD-tRP 3-3-3  2.5-3-3 
4.0 Absolute Maximum DC Rating 
Symbol  Parameter  Rating  Units 
V
in, 
Vout  Voltage on any pin relative to V
SS
  -0.5 ~ 3.6  V 
V
DD
, V
DDQ
Voltage on V
DD 
& Vddq supply relative to Vss 
-1.0 ~ 3.6  V 
Ios  Short circuit current  50  mA 
Pd Power dissipation  1.5 * #of component  w 
T
STG
  Storage Temperature  55 ~ + 150  °C 
Note: 
•  Permanent device damage may occur if ABSOLUTE MAXIMUM RATINGS are exceeded. 
•  Functional operation should be restricted to recommended operating condition. 
•  Exposure to higher than recommended voltage for extended periods of time could affect device reliability.










