nt1gc72b89a1nf Nanya Techology, nt1gc72b89a1nf Datasheet - Page 21

• Manufacturer Part Number: nt1gc72b89a1nf
• Description: Pc3-8500 / Pc3-10600 Unbuffered Ddr3 Sdram Dimm With Ecc
• Manufacturer: Nanya Techology

NT1GC72B89A0NF / NT2GC72B8PA0NF
NT1GC72B89A1NF / NT2GC72B8PA1NF
1GB: 128M x 72 / 2GB: 256M x 72
PC3-8500 / PC3-10600
Unbuffered DDR3 SDRAM DIMM with ECC
REV 1.1
09/2008
tWRPDEN
tWRAPDEN
tWRPDEN
tWRAPDEN
tREFPDEN
tMRSPDEN
ODT Timings
tODTH4
tODTH8
tAONPD
tAOFPD
tAON
tAOF
tADC
Write Leveling Timings
tWLMRD
tWLDQSEN
tWLS
tWLH
tWLO
tWLOE
tRFC
tREFI
tREFI
Symbol
Timing of WR command to Power Down entry
(BL8OTF, BL8MRS, BC4OTF)
Timing of WRA command to Power Down entry
(BL8OTF, BL8MRS, BC4OTF)
Timing of WR command to Power Down entry
(BC4MRS)
Timing of WRA command to Power Down entry
(BC4MRS)
Timing of REF command to Power Down entry
Timing of MRS command to Power Down entry
ODT high time without write command or with write
command and BC4
ODT high time without write command oand BL8
Asynchronous RTT turn-on delay (Power-Down with
DLL frozen)
Asynchronous RTT turn-off delay (Power Down with
DLL frozen)
RTT turn-on
RTT_NOM and RTT_WR turn-off time from
ODTLoff reference
RTT dynamic change skew
First DQS/DQS rising edge after write leveling mode
is programmed
DQS/DQS delay after write leveling mode is
Write leveling setup time from rising CK, CK
crossing to rising DQS, DQS crossing
Write leveling hold time from rising DQS, DQS
crossing to rising CK, CK crossing
Write leveling output delay
Write levleing output error
REF command to ACT or REF command time
Average period refresh interval (0°C≤t
Average period refresh interval (85°C<t
Parameter
CASE
CASE
≤85°C)
≤95°C)
(tWR/tCK(avg))
WL + 4 + WR +
(tWR/tCK(avg))
WL + 2 + WR +
tMOD(min)
21
WL + 4 +
WL + 2 +
-300
min
245
245
0.3
0.3
40
25
1
1
1
4
6
1
1
0
0
DDR3-1066 (-BE)
110
7.8
3.9
NANYA reserves the right to change products and specifications without notice.
max
300
0.7
0.7
9
9
9
2
-
-
-
-
-
-
-
-
-
-
-
-
(tWR/tCK(avg)
(tWR/tCK(avg)
WL + 4 + WR
WL + 2 + WR
tMOD(min)
WL + 4 +
WL + 2 +
-250
min
195
195
+ 1
+ 1
0.3
0.3
40
25
DDR3-1333 (-CG)
1
4
6
1
1
0
0
)
)
© NANYA TECHNOLOGY CORPORATION
110
7.8
3.9
max
250
0.7
0.7
9
9
9
2
-
-
-
-
-
-
-
-
-
-
-
-
tCK(avg)
tCK(avg)
Unit
nCK
nCK
nCK
nCK
nCK
nCK
nCK
nCK
nCK
ns
ns
ps
ps
ps
ns
ns
ns
us
us