t14m256a TM Technology Inc., t14m256a Datasheet - Page 4

• Manufacturer Part Number: t14m256a
• Description: 32k X 8 High Speed Cmos Static Ram
• Manufacturer: TM Technology Inc.

tm
AC CHARACTERISTICS
(
(1) READ CYCLE
* These parameters are sampled but not 100% tested.
(2)WRITE CYCLE
* These parameters are sampled but not 100% tested.
TM Technology Inc. reserves the right
to change products or specifications without notice.
Read Cycle Time
Address Access Time
Chip Select Access Time
Output Enable to Output Valid
Chip Selection to Output in Low Z
Output Enable to Output in Low Z
Chip Deselection to Output in High Z
Output Disable to Output in High Z
Output Hold from Address Change
Write Cycle Time
Chip Selection to End of Write
Address Valid to End of Write
Address Setup Time
Write Pulse Width
Write Recovery Time
Data Valid to End of Write
Data Hold from End of Write
Write to Output in High Z
Output Disable to Output in High Z
Output Active from End of Write
V cc
=5V 5%, Vss = 0V, Ta = 0 to 70 C)
PARAMETER
PARAMETER
CH
TE
SYM.
t
t
t
t
t
t
t
t
t
t
t
WC
CW
AW
AS
WP
WR
DW
DH
WHZ
OHZ
OW
SYM.
t
t
t
t
t
t
t
t
t
RC
AA
ACS
AOE
CLZ*
OLZ
CHZ*
OHZ
OH
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
3.5
7
5
5
0
5
0
0
0
-
-
MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX. MIN. MAX.
7
2
0
2
-
-
-
-
-
-7
-7
3.5
-
-
-
-
-
-
-
-
3
-
3.5
3.5
3.5
7
7
-
-
-
-
P. 4
8
6
6
0
6
0
5
0
0
-
-
2.5
8
-
-
-
3
0
-
-
-8
-8
4
4
-
-
-
-
-
-
-
-
-
8
8
5
4
4
-
-
-
-
10
8
8
0
8
0
6
0
0
-
-
10
3
0
3
-
-
-
-
-
-10
-10
5
5
-
-
-
-
-
-
-
-
-
10
10
Publication Date: FEB. 2004
6
5
5
-
-
-
-
12
10
10
10
0
0
8
0
0
12
-
-
3
0
3
-
-
-
-
-
-12
-12
12
12
6
6
-
-
-
-
-
-
-
-
-
-
7
-
-
6
6
-
T14M256A
15
11
11
11
15
0
0
8
0
0
-
-
3
0
0
0
3
-
-
-
Revision:H
-15
-15
15
15
6
7
7
7
7
-
-
-
-
-
-
-
-
-
-
-
-
-
UNIT
UNIT
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns