Dataram DTM63393B Ficha Técnica Página 7

  • Descarregar
  • Adicionar aos meus manuais
  • Imprimir
  • Página
    / 12
  • Índice
  • MARCADORES
  • Avaliado. / 5. Com base em avaliações de clientes
Vista de página 6
DTM63393B
1GB, 240-Pin Unbuffered ECC DDR2 DIMM
Document 06511, Revision A, 04-Mar-09, Dataram Corporation © 2009 Page 7
AC Operating Conditions
PARAMETER Symbol Min Max Unit
DQ Output Access Time from Clock
t
AC
-400 +400 ps
CAS-to-CAS Command Delay
t
CCD
2 - t
CK
Clock High Level Width
t
CH
0.45 0.55 t
CK
Clock Cycle Time
t
CK
2.5 ps
Clock Low Level Width
t
CL
0.45 0.55 t
CK
Data Input Hold Time after DQS Strobe
t
DH
125 - ps
DQ Input Pulse Width
t
DIPW
0.35 - t
CK
DQS Output Access Time from Clock
t
DQSCK
-350 +350 ps
Write DQS High Level Width
t
DQSH
0.35 - t
CK
Write DQS Low Level Width
t
DQSL
0.35 - t
CK
DQS-Out Edge to Data-Out Edge Skew
t
DQSQ
- 200 ps
Data Input Setup Time Before DQS Strobe
t
DS
50 - ps
DQS Falling Edge from Clock, Hold Time
t
DSH
0.2
- t
CK
DQS Falling Edge to Clock, Setup Time
t
DSS
0.2
- t
CK
Clock Half Period
t
HP
minimum of t
CH
or t
CL
- ns
Address and Command Hold Time after Clock
t
IH
250 - ps
Address and Command Setup Time before Clock
t
IS
175 - ps
Load Mode Command Cycle Time
t
MRD
2 - t
CK
DQ-to-DQS Hold
t
QH
t
HP
- t
QHS
- -
Data Hold Skew Factor
t
QHS
- 300 ps
Active-to-Precharge Time
t
RAS
45 70K ns
Active-to-Active / Auto Refresh Time
t
RC
57.25 - ns
RAS-to-CAS Delay
t
RCD
12.5 - ns
Average Periodic Refresh Interval
t
REFI
- 7.8 μs
Auto Refresh Row Cycle Time
t
RFC
105 - ns
Row Precharge Time
t
RP
12.5 - ns
Read DQS Preamble Time
t
RPRE
0.9 1.1 t
CK
Read DQS Postamble Time
t
RPST
0.4 0.6 t
CK
Row Active to Row Active Delay
t
RRD
7.5 - ns
Internal Read to Precharge Command Delay
t
RTP
7.5 - ns
Write DQS Preamble Setup Time
t
WPRES
0.35 - ps
Write DQS Postamble Time
t
WPST
0.4 0.6 t
CK
Write Recovery Time
t
WR
15 - ns
Internal Write to Read Command Delay
t
WTR
7.5 - ns
Exit Self Refresh to Non-Read Command
t
XSNR
t
RFC
(min) + 10 - ns
Exit Self Refresh to Read Command
t
XSRD
200 - t
CK
Vista de página 6
1 2 3 4 5 6 7 8 9 10 11 12

Comentários a estes Manuais

Sem comentários

Sunbeam Frigoriferi manuali utente

Partendo da S

Cliccare su un alfabeto di seguito per far scorrere la lista completa dei modellif models starting with that letter

Modelli Tipo di Documento
SBCR039W
Manuale Utente    Sunbeam SBCR039W Manuel d'utilisation, 12 pagine
SBCR419W/BL
Manuale Utente    Sunbeam SBCR419W/BL Manuel d'utilisation, 12 pagine
SBCR91BSL
Manuale Utente    Sunbeam SBCR91BSL Manuel d'utilisation, 15 pagine