参数资料
型号: AK5324096
厂商: Accutek Microcircuit Corporation
英文描述: 1,048,576 Word by 32 Bit CMOS Dynamic Random Access Memory
中文描述: 1,048,576 Word的32位CMOS动态随机存取存储器
文件页数: 1/2页
文件大小: 71K
代理商: AK5324096
DESCRIPTION
The Accutek AK5321024W high density memory module is a
CMOS Dynamic RAM organized in 1024K x 32 bit words. The
moduleconsistsofeightstandard1Megx4DRAMsinplasticSOJ
packages. The assembly has eight drams mounted on the front
surface of a printed circuit board with a low profile height of only
0.875" in a 72 pin leadless SIM configuration. This configuration
allows socket-mounting of large quantities of memory in applica-
tions where high density and ease of inserting additional memory
are important.
The operation of the AK5321024W is identical to eight 1 Meg x 4
DRAMs. Therearefour
CAS
linesandtwo
RAS
lines. Independent
bytecontrolisaccomplishedbyfour
CAS
lines. Eachseparate
CAS
line controls two of the 1 Meg x 4 DRAMs to form an 8 bit byte. The
bank of 32 bits is controlled by the two
RAS
lines. A sixteen bit data
path can be produced by connecting DQ
0
to DQ
16
, DQ
1
to DQ
17
,
etc. and alternately strobing RAS
0
with RAS
2
.
FEATURES
1,048,576 x 32 bit organization
Low profile board height of 0.875 inch
72 pad Single In-Line Module
Multiple
CAS
and
RAS
lines allow x16 or x32 bit widths
Power
5.28 Watt Max Active (60nS)
4.40 Watt Max Active (70 nS)
44 mW Max Standby
CAS
-before-
RAS
,
RAS
-only or hidden refresh
Single 5 Volt Power Supply
1024 Refresh Cycles, 16 mSEC
Available in Fast Page Mode and EDO
Available in leadless SIM or leaded ZIP versions
Downward compatible with AK532512 and AK532256
Upward compatible with AK5322048, AK5324096 and
AK5328192
Operating free air temperature 0
0
C to 70
0
C
ADDITIONAL OPTIONS AVAILABLE
256K x 32 version, AK532256
512K x 32 version, AK532512
2 Meg x 32 version, AK5322048
4 Meg x 32 version, AK5324096
8 Meg x 32 version, AK5328192
Accutek
Microcircuit
Corporation
AK5321024W
1,048,576 Word by 32 Bit CMOS
Dynamic Random Access Memory
PIN NOMENCLATURE
A
0
- A
9
Address Inputs
DQ
0
- DQ
31
Data In/Data Out
CAS
0
- CAS
3
Column Address Strobe
RAS
0
& RAS
2
Row Address Strobe
WE
Write Enable
PD
1
- PD
4
Presence Detect
Vcc
5v Supply
Vss
Ground
NC
No Connect
MODULE OPTIONS
Leadless SIM: AK5321024W
PIN ASSIGNMENT
+
+
72
1
Pin #
Symbol
Pin #
Symbol
Pin #
Symbol
Pin #
Symbol
1
Vss
19
NC
37
NC
55
DQ11
2
DQ0
20
DQ4
38
NC
56
DQ27
3
DQ16
21
DQ20
39
Vss
57
DQ12
4
DQ1
22
DQ5
40
CAS0
58
DQ28
5
DQ17
23
DQ21
41
CAS2
59
Vcc
6
DQ2
24
DQ6
42
CAS3
60
DQ29
7
DQ18
25
DQ22
43
CAS1
61
DQ13
8
DQ3
26
DQ7
44
RAS0
62
DQ30
9
DQ19
27
DQ23
45
NC
63
DQ14
10
Vcc
28
A7
46
NC
64
DQ31
11
NC
29
NC
47
WE
65
DQ15
12
A0
30
Vcc
48
NC
66
NC
13
A1
31
A8
46
DQ8
67
PD1
14
A2
32
A9
50
DQ24
68
PD2
15
A3
33
NC
51
DQ9
69
PD3
16
A4
34
RAS2
52
DQ25
70
PD4
17
A5
35
NC
53
DQ10
71
NC
18
A6
36
NC
54
DQ26
72
Vss
Presence Detect
-60
-70
PD1
Vss
Vss
PD2
Vss
Vss
PD3
NC
Vss
PD4
NC
NC
相关PDF资料
PDF描述
AK532512 1,048,576 Word by 32 Bit CMOS Dynamic Random Access Memory
AK5328192 1,048,576 Word by 32 Bit CMOS Dynamic Random Access Memory
AK5324096W4K 4,194,304 Word by 32 Bit CMOS Dynamic Random Access Memory
AK5362048W 524,288 Word by 36 Bit CMOS Dynamic Random Access Memory
AK536512Z 524,288 Word by 36 Bit CMOS Dynamic Random Access Memory
相关代理商/技术参数
参数描述
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