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PDF AK5328192W Data sheet ( Hoja de datos )
| Número de pieza | AK5328192W | |
| Descripción | 8388608 by 32 Bit CMOS Dynamic Random Access Memory | |
| Fabricantes | ACCUTEK | |
| Logotipo |  |
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ACCUTEK
MICROCIRCUIT CORPORATION
DESCRIPTION
The Accutek AK5328192W high density memory module is a
CMOS dynamic RAM organized in 8192K x 32 bit words. The mod-
ule consists of sixteen standard 4 Meg x 4 DRAMs in plastic SOJ
packages. The assembly has eight drams mounted on each side of
a printed circuit board in a 72 pad leadless SIM configuration.
This configuration allows socket-mounting of large quantities of
memory in applications where high density and ease of inserting ad-
ditional memory are important.
The operation of the AK5328192W is identical to sixteen 4M x 4
Drams. There are four CAS lines and four RAS lines. On each bank
of 4M x 32, independent byte control is accomplished by four CAS
lines. Each separate CAS line controls two 4M x 4 Drams to form an
8 bit byte. Two banks of 32 bits are controlled by the two pairs of
RAS lines. A sixteen bit data path can be produced by connecting
DQ0 to DQ16, DQ1 to DQ17, etc. and alternately strobing RAS0 with
RAS1 and RAS2 with RAS3.
FEATURES
· 8,388,608 x 32 bit organization
· 72 pad Single In-Line Module
· Multiple CAS and RAS lines allow x16 or x32 bit widths
· CAS-before-RAS, RAS-only or hidden refresh
· Power
5.32 Watt Max Active (60nS)
4.48 Watt Max Active (70 nS)
88 mW Max Standby
· Operating free air temperature 0oC to 70oC
AK5328192W
8,388,608 by 32 Bit CMOS
Dynamic Random Access Memory
+
+
1 72
· Single 5 Volt Power Supply
· 2048 Refresh Cycles, 32 mSEC
· 4096 Refresh Cycles, 64 mSEC available for all module sizes
· Available in Fast Page Mode and EDO
· Available in leadless (W) or leaded Zip (Z) versions
· Downward compatible with AK5324096, AK5322048,
AK5321024, AK532512 andAK532256
EXAMPLES
AK5328192WP-60
8 Meg x 32 CMOS Dynamic RAM, SIM, Page Mode, Commercial 60
nSEC Access Time
PIN NOMENCLATURE
PIN ASSIGNMENT
A0 - A10
DQ0 - DQ31
CAS0 - CAS3
RAS0 - RAS3
WE
OE
PD1 - PD4
Vcc
Vss
NC
Address Inputs
Data In/Data Out
Column Address Strobe
Row Address Strobe
Write Enable
Output Enable
Presence Detect
5v Supply
Ground
No Connect
MODULE OPTIONS
Leadless SIM: AK5328192W
Leaded ZIP: AK5328192Z
PIN #
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
SYMBOL
Vss
DQ0
DQ16
DQ1
DQ17
DQ2
DQ18
DQ3
DQ19
Vcc
NC
A0
A1
A2
A3
A4
A5
A6
Presence Detect -
PD1
PD2
PD3
PD4
-60
NC
Vss
NC
NC
PIN #
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
-70
NC
Vss
Vss
NC
SYMBOL
A10
DQ4
DQ20
DQ5
DQ21
DQ6
DQ22
DQ7
DQ23
A7
NC
Vcc
A8
A9
RAS3
RAS2
NC
NC
PIN #
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
SYMBOL
NC
NC
Vss
CAS0
CAS2
CAS3
CAS1
RAS0
RAS1
NC
WE
NC
DQ8
DQ24
DQ9
DQ25
DQ10
DQ26
PIN #
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
SYMBOL
DQ11
DQ27
DQ12
DQ28
Vcc
DQ29
DQ13
DQ30
DQ14
DQ31
DQ15
NC
PD1
PD2
PD3
PD4
NC
Vss
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