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NT511740D0J
16MEG : x4
Fast Page Mode DRAM
REV 1.0 , JULY. 2000
8
© NANYA TECHNOLOGY CORP.
NAYNA TECHNOLOGY CORP. reserves the right to change products and specifications without notice.
AC CHARACTERISTICS (Continued )
-50
-60
Parameter
Symbol
Min
Max
Min
Max
Unit
Notes
CAS to W delay time
t CWD
36
40
ns
7
RAS to W delay time
t RWD
73
85
ns
7
Column address to W delay time
t AWD
48
55
ns
7
CAS precharge to W delay time
t CPWD
53
60
ns
CAS set-up time ( CAS -before- RAS refresh)
t CSR
5
5
ns
CAS hold time ( CAS -before- RAS refresh)
t CHR
10
10
ns
RAS to CAS precharge time
t RPC
5
5
ns
Access time from CAS precharge
t CPA
30
35
ns
3
Hyper Page cycle time
t PC
35
40
ns
Hyper Page read-modify-write cycle time
t PRWC
76
85
ns
CAS precharge time (Hyper Page cycle)
t CP
7
10
ns
RAS pulse width (Hyper Page cycle)
t RASP
50
100k
60
100k
ns
RAS hold time from CAS precharge
t RHCP
30
35
ns
OE access time
t OEA
13
15
ns
OE to data delay
t OED
13
15
ns
Output buffer turn off delay time from OE
t OEZ
0
13
0
15
ns
6
OE command hold time
t OEH
13
15
ns
W to RAS precharge time(C-B-R refresh)
t WRP
10
10
ns
W to RAS hold time(C-B-R refresh)
t WRH
10
10
ns
RAS pulse width (C-B-R self refresh)
t RASS
100
100
ns
11,12,13
RAS precharge time (C-B-R self refresh)
t RPS
90
110
ns
11,12,13
CAS hold time (C-B-R self refresh)
t CHS
-50
-50
ns
11,12,13
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