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T221160A Datenblatt(PDF) 5 Page - Taiwan Memory Technology

Teilenummer T221160A
Bauteilbeschribung  64K x 16 DYNAMIC RAM FAST PAGE MODE
PDF  14 Pages
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Hersteller  TMT [Taiwan Memory Technology]
Direct Link  http://www.tmtech.com.tw
Logo TMT - Taiwan Memory Technology

T221160A Datenblatt(HTML) 5 Page - Taiwan Memory Technology

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TE
CH
tm
T221160A
Taiwan Memory Technology, Inc. reserves the right P. 5
Publication Date: FEB. 2002
to change products or specifications without notice.
Revision:A
AC CHARACTERISTICS (note 1,2,3) (Ta = 0 to 70°C)
AC TEST CONDITIONS:
Vcc=5V
±10%, input pulse level = 0 to 3V
Input rise and fall times: 2ns
Output Load: 2TTL gate + CL (50pF)
-25
-30
-35
-40
AC CHARACTERISTICS
PARAMETER
SYM
MIN
MAX MIN MAX
MIN MAX MIN
MAX
UNIT
Notes
Read or Write Cycle Time
tRC
43
55
65
75
ns
Read-Modify-Write Cycle Time
tRWC 65
85
95
105
ns
Fast-Page-Mode Read or Write Cycle Time
tPC
15
20
23
25
ns
Fast-Page-Mode Read-Write Cycle Time
tPCM
37
42
49
52
ns
Access Time From RAS
tRAC
25
30
35
40
ns 4
Access Time From CAS
tCAC
7
8
9
10
ns 5
Access Time From OE
tOAC
7
8
9
10
ns 13
Access Time From Column Address
tAA
12
16
18
20
ns 8
Access Time From CAS Precharge
tACP
14
18
20
22
ns
RAS Pulse Width
tRAS
25
10K 30
10K
35
10K 40
10K
ns
RAS Pulse Width
tRASC 25 100K 30 100K 35 100K 40 100K ns
RAS Hold Time
tRSH
7
8
9
10
ns
RAS Precharge Time
tRP
15
20
23
25
ns
CAS Pulse Width
tCAS
4
10K
6
10K
8
10K 10
10K
ns
CAS Hold Time
tCSH
21
26
30
35
ns
CAS Precharge Time
tCP
3
3
4
5
ns
RAS to CAS Delay Time
tRCD
10
17
10
21
10
25
10
29
ns 7
CAS to RAS Precharge Time
tCRP
3
3
3
5
ns
Row Address Setup Time
tASR
0
0
0
0
ns
Row Address Hold Time
tRAH
5
5
5
5
ns
RAS to Column Address Delay Time
tRAD
8
13
8
14
8
16
8
18
ns 8
Column Address Setup Time
tASC
0
0
0
0
ns
Column Address Hold Time
tCAH
4
4
4
5
ns
Column Address Hold Time (Reference to
RAS )
tAR
22
26
30
34
ns
Column Address to RAS Lead Time
tRAL
12
14
16
18
ns
Read Command Setup Time
tRCS
0
0
0
0
ns 14
Read Command Hold Time Reference to CAS tRCH
0
0
0
0
ns 9,14
Read Command Hold Time Reference to RAS tRRH
0
0
0
0
ns 9
CAS to Output in Low-Z
tCLZ
3
3
3
3
ns
Output Buffer Turn-off Delay From CAS or
RAS
tOFF1
3
15
3
15
3
15
3
15
ns 10,16



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