M11B416256A Datasheet, PDF (4/15 Pages) Elite Semiconductor Memory Technology Inc. – 256 K x 16 DRAM EDO PAGE MODE

EliteMT
M11B416256A
CAPACITANCE (Ta = 25 °C , VCC = 5V ± 10%)
PARAMETER
SYMBOL
TYP
Input Capacitance (address)
CI1
-
Input Capacitance ( RAS , CASH , CASL , WE , OE )
CI2
-
Output capacitance (I/O0~I/O15)
CI / O
-
MAX
5
7
10
UNIT
pF
pF
pF
AC ELECTRICAL CHARACTERISTICS (Ta = 0 to 70 °C , VCC =5V ± 10%, VSS = 0V) (note 14)
Test Conditions
Input timing reference levels : 0V, 3V
Output reference level : VOL= 0.8V, VOH=2.0V
Output Load : 2TTL gate + CL (50pF)
Assumed tT = 2ns
PARAMETER
-25
-28
-30
-35
-40
SYMBOL
UNIT Notes
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
Read or Write Cycle Time
tRC
43
48
55
65
75
ns
Read Write Cycle Time
tRWC
65
70
85
95
105
ns
EDO-Page-Mode Read or Write Cycle Time
tPC
10
11
12
14
16
ns 22
EDO-Page-Mode Read-Write Cycle Time
tPCM
32
35
37
42
47
ns 22
Access Time From RAS
tRAC
25
28
30
35
40 ns 4
Access Time From CAS
tCAC
Access Time From OE
tOAC
Access Time From Column Address
tAA
Access Time From CAS Precharge
tACP
8
9
9
10
11 ns 5,20
8
9
9
10
11 ns 13,20
12
15
15
18
20 ns
14
17
17
20
22 ns 20
RAS Pulse Width
RAS Pulse Width (EDO Page Mode)
RAS Hold Time
tRAS
tRASC
tRSH
25 10K 28 10K 30 _10K 35 _10K 40 _10K ns
25 100K 28 100K 30 _100K 35 _100K 40 _100K ns
8
9
9
10
11
ns 25
RAS Precharge Time
tRP
15
17
20
25
30
ns
CAS Pulse Width
CAS Hold Time
CAS Precharge Time
tCAS
4 10K 5 10K 5 _10K 5 _10K 6 _10K ns 24
tCSH
21
24
26
30
35
ns 19
tCP
4
4
4
5
5
ns 6,23
RAS to CAS Delay Time
tRCD
10 17 10 19 10 21 10 25 10 29 ns 7,18
CAS to RAS Precharge Time
Row Address Setup Time
Row Address Hold Time
RAS to Column Address Delay Time
tCRP
5
5
5
5
5
ns 19
tASR
0
0
0
0
0
ns
tRAH
5
5
5
5
5
ns
tRAD
8 13 8 13 8 15 8 17 8 20 ns 8
Column Address Setup Time
tASC
0
0
0
0
0
ns 18
Column Address Hold Time
tCAH
5
5
5
5
5
ns 18
Column Address Hold Time (Reference to
RAS )
tAR
22
24
26
30
34
ns
Column Address to RAS Lead Time
tRAL
12
15
15
18
20
ns
Elite Memory Technology Inc
Publication Date : Feb. 2004
Revision : 1.9
4/15