NT511740D0J Просмотр технического описания (PDF) - Unspecified
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NT511740D0J Datasheet PDF : 20 Pages
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NT511740D0J
16MEG : x4
Fast Page Mode DRAM
AC CHARACTERISTICS
(0°C ≤ Ta ≤ 70°C , See note 1,2) ; Test condition : VCC=5.0V ± 10%, VIH/VIL=2.4/0.8V, VOH/VOL=2.0/0.8V
Parameter
Symbol
Random read or write cycle time
Read-modify-write cycle time
Access time from RAS
Access time from CAS
Access time from column address
CAS to output in Low-Z
Output buffer turn-off delay
Transition time (rise and fall)
RAS precharge time
RAS pulse width
RAS hold time
CAS hold time
CAS pulse width
RAS to CAS delay time
RASto column address delay time
CAS to RAS precharge time
Row address set-up time
Row address hold time
Column address set-up time
Column address hold time
Column address to RAS lead time
Read command set-up time
Read command hold time referenced to CAS
Read command hold time referenced to RAS
Write command hold time
Write command pulse width
Write command to RAS lead time
Write command to CAS lead time
Data set-up time
Data hold time
Refresh period (2K, Normal)
Refresh period (L-ver)
Write command set-up time
t RC
t RWC
t RAC
t CAC
t AA
t CLZ
t OFF
tT
t RP
t RAS
t RSH
t CSH
t CAS
t RCD
t RAD
t CRP
t ASR
t RAH
t ASC
t CAH
t RAL
t RCS
t RCH
t RRH
t WCH
t WP
t RWL
t CWL
t DS
t DH
t REF
t REF
t WCS
-50
-60
Unit
Min Max Min Max
90
-
110
-
ns
131
155
ns
50
60
ns
13
15
ns
25
30
ns
0
0
ns
0
13
0
15
ns
3
3
ns
30
40
ns
50
60
ns
13
15
ns
50
60
ns
13
15
ns
17
37
20
45
ns
12
15
ns
5
5
ns
0
0
ns
7
10
ns
0
0
ns
7
10
ns
25
30
ns
0
0
ns
0
0
ns
0
0
ns
7
10
ns
7
10
ns
13
15
ns
7
10
ns
0
0
ns
7
10
ns
32
32
ms
128
128 ms
0
0
ns
Notes
3,4,10
3,4,5
3,10
3
6
2
4
10
8
8
9
9
7
REV 1.0 , JULY. 2000
7
© NANYA TECHNOLOGY CORP.
NAYNA TECHNOLOGY CORP. reserves the right to change products and specifications without notice.
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