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T4312816A Datasheet

  • T4312816A

  • 8M x 16 SDRAM

  • 710.41KB

  • 29頁

  • TMT

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tm
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TE
CH
Preliminary T4312816A
SDRAM
FEATURES
3.3V power supply
Four banks operation
LVTTL compatible with multiplexed address
All inputs are sampled at the positive going
edge of system clock
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Burst Read Single-bit Write operation
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DQM for masking
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Auto refresh and self refresh
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64ms refresh period (4K cycle)
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MRS cycle with address key programs
- CAS Latency ( 2 & 3 )
- Burst Length ( 1 , 2 , 4 , 8 & full page)
- Burst Type (Sequential & Interleave)
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Available package type in 54 pin TSOP(II)
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Operating temperature : 0 ~ +70
擄C
8M x 16 SDRAM
2M x 16bit x 4Banks Synchronous DRAM
GRNERAL DESCRIPTION
The
T4312816A
is
134,217,728
bits
synchronous high data rate Dynamic RAM
organized as 4 x 2,097,152 words by 16 bits,
fabricated
technology .
Synchronous design allows precise cycle control
with the use of system clock I/O transactions are
possible on every clockcycle . Range of operating
frequencies , programmable burst length and
programmable latencies allow the same device to
be useful for a variety of high bandwidth , high
performance memory system applications.
with
high
performance
CMOS
ORDERING INFORMATION
PART NO.
MAX
FREQUENCY
TEMPERATURE
PIN ARRANGEMENT (Top
View)
V
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
5 4 P IN T S O P ( II)
(4 0 0 m il x 8 7 5 m il)
(0 .8 m m P IN P IT C H )
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
V ss
D Q 15
V
SSQ
DQ0
T4312816A-6S
T4312816A-7S
T4312816A-7.5S
T4312816A-8S
T4312816A-10S
166 MHz
143 MHz
133 MHz
125 MHz
100 MHz
0 ~ +70擄C
0 ~ +70擄C
0 ~ +70擄C
0 ~ +70擄C
0 ~ +70擄C
V
DDQ
DQ1
DQ2
V
SSQ
D Q 14
D Q 13
V
DDQ
DQ3
DQ4
V
DDQ
D Q 12
D Q 11
V
SSQ
DQ1
0
DQ9
V
DDQ
DQ5
DQ6
V
SSQ
DQ7
V
DD
DQ8
V ss
N .C /R F U
UDQM
CLK
CKE
N .C
A 11
A9
A8
A7
A6
A5
A4
V ss
LD Q M
W E
CAS
RAS
CS
BA0
BA1
A 1 0 /A P
A0
A1
A2
A3
V
DD
TM Technology Inc. reserves the right
P. 1
to change products or specifications without notice.
Publication Date: APR. 2003
Revision: 0.B

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