M14D1G1664A-2S Datasheet, PDF (14/65 Pages) Elite Semiconductor Memory Technology Inc. – Internal pipelined double-data-rate architecture; two data access per clock cycle

ESMT
(Preliminary)
M14D1G1664A (2S)
Automotive Grade
AC Timing Parameter & Specifications - Contiuned
Parameter
Symbol
-2.5
Min.
Max.
Clock period
CL=6
CL=5
t_CK (avg)
2500
2500
8000
8000
CL=4
3750
8000
DQ output access time from
CLK/ CLK
t_AC
-400
+400
CLK high-level width
CLK low-level width
DQS output access time from
CLK/ CLK
t_CH (avg)
t_CL (avg)
t_DQSCK
0.48
0.48
-350
0.52
0.52
+350
Clock to first rising edge of DQS
delay
t_DQSS
Data-in and DM setup time
(to DQS)
t_DS
(base)
Data-in and DM hold time
(to DQS)
t_DH
(base)
DQ and DM input pulse width
(for each input)
t_DIPW
Address and Control Input
setup time
t_IS (base)
Address and Control Input hold
time
t_IH (base)
Control and Address input pulse
width
t_IPW
DQS input high pulse width
t_DQSH
DQS input low pulse width
DQS falling edge to CLK rising
setup time
t_DQSL
t_DSS
DQS falling edge from CLK
rising hold time
t_DSH
Data strobe edge to output data
edge
t_DQSQ
-0.25
50
125
0.35
175
250
0.6
0.35
0.35
0.2
0.2
+0.25
200
Data-out high-impedance
window from CLK/ CLK
t_HZ
t_AC(max.)
Data-out low-impedance window tLZ
from CLK/ CLK
(DQS)
t_AC(min.)
DQ low-impedance window from
CLK/ CLK
Half clock period
DQ/DQS output hold time from
DQS
t_LZ
(DQ)
t_HP
t_QH
2 x t_AC(min.)
Min
(t_CL(abs),t_CH(abs))
t_HP-t_QHS
t_AC(max.)
t_AC(max.)
Unit Note
ps
13
ps
10
t_CK (avg) 13
t_CK (avg) 13
ps
10
t_CK (avg)
ps
4
ps
5
t_CK (avg)
ps
4
ps
5
t_CK (avg)
t_CK (avg)
t_CK (avg)
t_CK (avg)
t_CK (avg)
ps
ps
10
ps
10
ps
10
ps
6,13
ps
Elite Semiconductor Memory Technology Inc.
Publication Date : Jul. 2014
Revision : 0.1
14/65