AS4LC4M4883C 查看數據表（PDF） - Austin Semiconductor
零件编号
产品描述 (功能)
比赛名单
AS4LC4M4883C Datasheet PDF : 20 Pages
| |||
AUSTIN SEMICONDUCTOR, INC.
AS4LC4M4 883C
4 MEG x 4 DRAM
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(Notes: 6, 7, 8, 9, 10, 11, 12, 13) (VCC = +3.3V ±0.3V)
AC CHARACTERISTICS
PARAMETER
SYM
Output buffer turn-off delay
tOFF
O? E/ setup prior to R? A? S/ during HIDDEN REFRESH cycle tORD
EDO-PAGE-MODE READ or WRITE cycle time
tPC
EDO-PAGE-MODE READ-WRITE cycle time
tPRWC
Access time from ?R?A/S
tRAC
?R?A/S to column-address delay time
Row-address hold time
tRAD
tRAH
Column-address to ?R?A/S lead time
tRAL
?R?A/S pulse width
tRAS
?R?A/S pulse width (EDO PAGE MODE)
Random READ or WRITE cycle time
tRASP
tRC
?R?A/S to ?C?A/S delay time
tRCD
Read command hold time (referenced to ?C?A/S)
Read command setup time
tRCH
tRCS
Refresh period (2,048 cycles)
tREF
?R?A/S precharge time
?R?A/S to ?C?A/S precharge time
Read command hold time (referenced to ?R?A/S)
tRP
tRPC
tRRH
?R?A/S hold time
tRSH
READ WRITE cycle time
tRWC
?R?A/S to ?W/E delay time
Write command to ?R?A/S lead time
tRWD
tRWL
Transition time (rise or fall)
Write command hold time
tT
tWCH
Write command hold time (referenced to ?R?A/S)
tWCR
?W/E command setup time
tWCS
Output disable delay from ?W/E
Write command pulse width
tWHZ
tWP
?W/E pulse to disable at ?C?A/S HIGH
tWPZ
?W/E hold time (CBR REFRESH)
tWRH
?W/E setup time (CBR REFRESH)
tWRP
-6
MIN
MAX
0
15
0
30
75
60
15
30
10
30
60
10,000
60 100,000
110
16
45
0
0
32
40
5
0
13
150
80
15
2
30
10
40
0
0
14
10
10
10
10
-7
MIN
MAX
0
15
0
35
85
70
15
35
10
35
70
10,000
70 100,000
130
16
50
0
0
32
50
5
0
15
180
90
15
2
30
12
56
0
0
16
12
12
10
10
-8
MIN MAX
0
20
0
40
90
80
15
40
10
40
80 10,000
80 100,00
150
20
60
0
0
32
60
5
0
15
200
105
20
2
30
15
60
0
0
20
15
15
10
10
UNITS
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ms
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
NOTES
19
13
17
16
18
18
20
20
24
24
AS4LC4M4
Rev. 11/97
DS000022
2-79
Austin Semiconductor, Inc., reserves the right to change products or specifications without notice.
Share Link: 