SRAM
MT5C2568
AS5C2568
Austin Semiconductor, Inc.
ELECTRICAL CHARACTERISTICS AND RECOMMENDED AC OPERATING CONDITIONS
(Note 5) (-55oC < TC < 125oC or -40oC to +85oC;VCC = 5.0V +10%)
-12
-15
-20
-25
-35
-45
DESCRIPTION
READ CYCLE
SYM
UNITS NOTES
MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX MIN MAX
READ cycle time
12
15
20
25
35
45
ns
ns
ns
ns
tRC
tAA
tACE
tOH
Address access time
12
12
15
15
20
20
25
25
35
35
45
45
Chip enable access time
Output hold from address change
Chip enable to output in Low-Z
Chip disable to output in High-Z
Output enable to access time
Output enable to output in Low-Z
2
2
3
3
3
3
3
3
3
3
3
3
ns
ns
ns
ns
ns
7
tLZCE
tHZCE
tAOE
tLZOE
tHZOE
7
6
10
8
10
10
15
15
35
20
20
20
6, 7
0
0
0
0
2
0
Output disable to output in High-Z
WRITE CYCLE
7
10
10
15
35
20
6
WRITE cycle time
12
10
10
0
15
12
12
0
20
15
15
0
25
20
20
0
35
30
30
0
45
40
40
0
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
tWC
tCW
tAW
Chip enable to end of write
Address valid to end of write
Address setup time
tAS
Address hold from end of write
WRITE pulse width
2
0
0
0
0
0
tAH
10
8
12
10
0
15
10
0
20
15
0
30
20
0
40
20
3
tWP
Data setup time
tDS
Data hold time
0
tDH
Write disable to output in Low-Z
Write enable to output in High-Z
0
0
0
3
3
3
7
tLZWE
tHZWE
7
10
10
15
35
20
6, 7
Austin Semiconductor, Inc. reserves the right to change products or specifications without notice.
MT5C2568 / AS5C2568
Rev. 4.5 06/05
4
AUSTIN [ AUSTIN SEMICONDUCTOR ]
