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SGU04G64A1BE1MT-BBR Datasheet, PDF (10/16 Pages) List of Unclassifed Manufacturers – 4096MB DDR3 – SDRAM UDIMM
preliminary Data Sheet
Rev.0.9 22.07.2013
DDR3 SDRAM COMPONENT ELECTRICAL CHARACTERISTICS AND RECOMMENDED
AC OPERATING CONDITIONS (Continued)
(0°C ≤ TCASE ≤ + 85°C ; VDDQ = +1.5V ± 0.075V, VDD = +1.5V ± 0.075V)
AC CHARACTERISTICS
PARAMETER
SYMBOL
CTRL, CMD, Addr hold to CK,
CK#
tIH(Base)
CTRL, CMD, Addr hold to CK,
CK#
VREF @ 1V/ns
tIH(1V)
CAS# to CAS# command delay
tCCD
ACTIVE to ACTIVE (same bank)
command period
tRC
ACTIVE to ACTIVE minimum
command period
tRRD
ACTIVE to READ or WRITE
delay
tRCD
Four bank
1K Page size
Activate period 2K Page size
tFAW
ACTIVE to PRECHARGE
command
tRAS
Internal READ to precharge
command delay
tRTP
Write recovery time
tWR
Auto precharge write recovery +
precharge time
tDAL
Internal WRITE to READ
command delay
tWTR
PRECHARGE command period
LOAD MODE command cycle
time
tRP
tMRD
REFRESH to ACTIVE or
REFRESH to REFRESH
tRFC
command interval
Average periodic refresh interval
0 °C ≤ TCASE ≤ 85°C
tREFI
85 °C < TCASE ≤ 95°C
RTT turn-on from ODTL on
reference
tREFI (IT)
tAON
RTT turn-on from ODTL off
reference
tAOF
Asynchronous RTT turn-on
delay (power Down with DLL off)
tAONPD
Asynchronous RTT turn-off
delay (power Down with DLL off)
tAOFPD
RTT dynamic change skew
tADC
Exit self refresh to commands
not requiring a locked DLL
tXS
Write levelling setup from rising
CK, CK# crossing to rising DQS,
DQS# crossing
Write levelling setup from rising
DQS, DQS# crossing to rising
CK, CK# crossing
First DQS, DQS# rising edge
DQS, DQS# delay
tWLS
tWLH
tWLMRD
tWLDQSEN
12800-CL11
MIN MAX
120
-
220
-
4
-
48.75
-
max
4nCK,6ns
13.75
-
30
-
40
-
35 70’200
max
4nCK,7.5ns
-
15
-
tWR +
tRP/tCK
-
max
4nCK,7.5ns
-
13.75
-
4
-
260 70’200
-
7.8
-
3.9
-225 225
0.3
0.7
2
8.5
2
8.5
0.3
0.7
max
5nCK,tR
-
FC + 10ns
165
-
165
-
40
-
25
-
10600-CL9
MIN
MAX
140
-
240
-
4
-
49.5
-
max
4nCK,6ns
13.5
-
30
-
45
-
36
70’200
max
4nCK,7.5ns
-
15
-
tWR +
tRP/tCK
-
max
-
4nCK,7.5ns
13.5
-
4
-
260
70’200
-
7.8
-
3.9
-250
250
0.3
0.7
2
8.5
2
8.5
0.3
0.7
max
5nCK,tR
-
FC + 10ns
195
-
195
-
40
-
25
-
8700-CL7
MIN
MAX
200
-
300
-
4
-
50.625
-
max
4nCK,7.5ns
13.125
-
37.5
-
50
-
37.5
70’200
max
4nCK,7.5ns
-
15
-
tWR +
tRP/tCK
-
max
-
4nCK,7.5ns
13.125
-
4
-
260
70’200
-
7.8
-
3.9
-300
300
0.3
0.7
2
8.5
2
8.5
0.3
0.7
max
5nCK,tR
-
FC + 10ns
245
-
245
-
40
-
25
-
Unit
ps
ps
tCK
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tCK
ns
µs
ps
tCK
ns
ns
tCK
ns
ps
ps
tCK
tCK
Swissbit AG
Industriestrasse 4
CH-9552 Bronschhofen
Fon: +41 (0) 71 913 03 03
Fax: +41 (0) 71 913 03 15
www.swissbit.com
eMail: info@swissbit.com
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