![](http://datasheet.mmic.net.cn/390000/MT4LC4M16F5_datasheet_16823599/MT4LC4M16F5_6.png)
6
4 Meg x 16 FPM DRAM
D28_2.p65 – Rev. 5/00
Micron Technology, Inc., reserves the right to change products or specifications without notice.
2000, Micron Technology, Inc.
4 MEG x 16
FPM DRAM
AC ELECTRICAL CHARACTERISTICS
(Notes: 5, 6, 7, 8, 9, 10, 11, 12, 13) (V
CC
= +3.3V ±0.3V)
AC CHARACTERISTICS
PARAMETER
Access time from column address
Column-address hold time (referenced to RAS#)
Column-address setup time
Row-address setup time
Column address to WE# delay time
Access time from CAS#
Column-address hold time
CAS# pulse width
CAS# hold time (CBR Refresh)
Last CAS# going LOW to first CAS# to return HIGH
CAS# to output in Low-Z
CAS# precharge time (FAST PAGE MODE)
Access time from CAS# precharge
CAS# to RAS# precharge time
CAS# hold time
CAS# setup time (CBR Refresh)
CAS# to WE# delay time
WRITE command to CAS# lead time
Data-in hold time
Data-in setup time
Output disable
Output enable time
OE# hold time from WE# during
READ-MODIFY-WRITE cycle
Output buffer turn-off delay
OE# setup prior to RAS# during HIDDEN REFRESH cycle
FAST-PAGE-MODE READ or WRITE cycle time
FAST-PAGE-MODE READ-WRITE cycle time
Access time from RAS#
RAS# to column-address delay time
Row-address hold time
-5
-6
SYMBOL
t
AA
t
AR
t
ASC
t
ASR
t
AWD
t
CAC
t
CAH
t
CAS
t
CHR
t
CLCH
t
CLZ
t
CP
t
CPA
t
CRP
t
CSH
t
CSR
t
CWD
t
CWL
t
DH
t
DS
t
OD
t
OE
t
OEH
MIN
MAX
25
MIN
MAX
30
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
40
0
0
48
45
0
0
55
26
18
28
26
13
15
8
13
15
5
3
8
10
15
15
5
3
10
10,000
10,000
32, 34
4, 27
29
26, 28
13, 32
27
27
27
4, 26
18, 26
28
19, 28
19, 28
23, 24, 36
20
24
30
35
5
50
5
36
13
8
0
3
5
60
5
40
15
10
0
3
13
13
15
15
13
15
t
OFF
t
ORD
t
PC
t
PRWC
t
RAC
t
RAD
t
RAH
3
0
30
76
13
3
0
35
85
15
ns
ns
ns
ns
ns
ns
ns
17, 23, 28
30
30
50
60
13
8
15
10
15
CAPACITANCE
(Note: 2)
PARAMETER
Input Capacitance: Address pins
Input Capacitance: RAS#, CAS#, WE#, OE#
Input/Output Capacitance: DQ
SYMBOL
C
I
1
C
I
2
C
IO
MAX
5
7
7
UNITS
pF
pF
pF