M14D1G1664A-2D Datasheet, PDF (13/64 Pages) Elite Semiconductor Memory Technology Inc. – Internal pipelined double-data-rate architecture; two data access per clock cycle

ESMT
AC Timing Parameter & Specifications - Contiuned
Parameter
Symbol
DQ/DQS output hold time from
DQS
DQ hold skew factor
Active to Precharge command
Active to Active command
(same bank)
Auto Refresh row cycle time
Active to Read, Write delay
Precharge command period
Active bank A to Active bank B
command
Write recovery time
Write data in to Read command
delay
Four Activate Window
Col. address to Col. address
delay
Average periodic Refresh
interval ( 0℃ ≦T_C ≦ +85℃ )
Average periodic Refresh
interval (+85℃ ＜T_C ≦ +95℃)
Write preamble
Write postamble
DQS Read preamble
DQS Read postamble
Load Mode Register / Extended
Mode Register cycle time
Auto Precharge write recovery
+ Precharge time
Internal Read to Precharge
command delay
Exit Self Refresh to Read
command
Exit Self Refresh to non-Read
command
Exit Precharge Power-Down to
any non-Read command
Exit Active Power-Down to
Read command
t_QH
t_QHS
t_RAS
t_RC
t_RFC
t_RCD
t_RP
t_RRD
t_WR
t_WTR
t_FAW
t_CCD
t_REFI
t_REFI
t_WPRE
t_WPST
t_RPRE
t_RPST
t_MRD
t_DAL
t_RTP
t_XSRD
t_XSNR
t_XP
t_XARD
-1.8
Min.
t_HP-t_QHS
-
45
57.5
127.5
12.5
12.5
10
15
7.5
45
2
Max.
-
250
70K
-
-
-
-
-
-
-
-
-
-
7.8
-
3.9
0.35
-
0.4
0.6
0.9
1.1
0.4
0.6
2
-
WR+tn_RP
-
7.5
-
200
-
t_RFC + 10
-
3
-
3
-
M14D1G1664A (2D)
Unit Note
ps
ps
ns
ns
ns
ns
ns
ns
ns
ns
ns
t_CK
us
us
t_CK (avg)
t_CK (avg)
t_CK (avg)
t_CK (avg)
t_CK
t_CK
1
ns
t_CK
ns
t_CK
t_CK
3
Elite Semiconductor Memory Technology Inc.
Publication Date : Aug. 2013
Revision : 1.3
13/64