ak5322048n Accutek Microcircuit Corporation, ak5322048n Datasheet
ak5322048n
Manufacturer Part Number
ak5322048n
Description
2,097,152 Word By 32 Bit Cmos Accutek Dynamic Random Access Memory
Manufacturer
Accutek Microcircuit Corporation
Datasheet
1.AK5322048N.pdf
(2 pages)
The Accutek AK5322048N high density memory module is a CMOS
dynamic RAM organized in 2048K x 32 bit words. The module con-
sists of four standard 1 Meg x 16 DRAMs in plastic TSOP packages.
The assembly has 2 drams mounted on each side of a printed circuit
board in a 72 pad leadless Dual Row Sodim 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 AK5322048A is identical to four 1M x 16
Drams. There are four CAS lines and four RAS lines. On each bank
of 1M x 32, independent byte control is accomplished by four CAS
lines. Each seperate CAS line controls one byte of the 1M x 16
Dram. Two banks of 32 bits are controlled by the two pairs of RAS
lines. A sixteen bit data path can be produced by connecting DQ
DQ
and RAS
· 2,097,152 x 32 bit organization
· 72 pad Dual Row Sodim Module
· Multiple CAS and RAS lines allow x16 or x32 bit widths
· CAS-before-RAS, RAS-only or hidden refresh
· Operating free air temperature 0
· Single 5 Volt Power Supply
· 1024 Refresh Cycles, 16 mSEC
DQ
A
CAS
RAS
WE
PD
Vcc
Vss
NC
Leadless SODIM: AK5322048N
DESCRIPTION
FEATURES
PIN NOMENCLATURE
MODULE OPTIONS
0
16
- A
0
0
, DQ
0
0
- PD
- DQ
9
- CAS
- RAS
2
MICROCIRCUIT CORPORATION
ACCUTEK
6
1
31
with RAS
to DQ
3
3
17
Data In/Data Out
Address Inputs
Column Address Strobe
Row Address Strobe
Write Enable
Presence Detect
5v Supply
Ground
No Connect
3
etc. and alternately strobing RAS
.
o
C to 70
o
C
Presence Detect -
PIN ASSIGNMENT
PIN #
10
11
12
13
14
15
16
17
18
Access
1
2
3
4
5
6
7
8
9
Time
-60
-70
0
with RAS
SYMBOL
DQ0
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
PD0
Vss
Vcc
A0
A1
A2
A3
A4
A5
A6
0
PD
NC
NC
to
1
0
· Available in Fast Page Mode and Static Column Mode versions
· Power
1 Meg x 32 version, AK5321024N
PIN #
ADDITIONAL OPTIONS AVAILABLE
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
1.80 Watt Max Active (60nS)
1.66 Watt Max Active (70 nS)
1.44 Watt Max Active (80 nS)
22 mW Max StandbyAvailable
PD
Vss
Vss
1
SYMBOL
DQ10
DQ11
DQ12
DQ13
DQ14
RAS3
RAS2
DQ15
DQ8
DQ9
Dynamic Random Access Memory
Vcc
NC
NC
NC
NC
A7
A8
A9
PD
Vss
Vss
2,097,152 Word by 32 Bit CMOS
2
1
2
PIN #
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
PD
Vss
Vss
3
SYMBOL
DQ16
DQ17
CAS0
CAS2
CAS3
CAS1
RAS0
RAS1
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
Vss
WE
NC
NC
PD
Vss
NC
4
71
72
PIN #
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
AK5322048N
PD
NC
NC
Back
Side
Front
Side
5
SYMBOL
DQ24
DQ25
DQ26
DQ28
DQ27
DQ29
DQ30
DQ31
PD1
PD2
PD3
PD4
PD5
PD6
Vcc
Vss
NC
NC
PD
NC
NC
6
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ak5322048n Summary of contents
Page 1
... ACCUTEK MICROCIRCUIT CORPORATION DESCRIPTION The Accutek AK5322048N high density memory module is a CMOS dynamic RAM organized in 2048K x 32 bit words. The module con- sists of four standard 1 Meg x 16 DRAMs in plastic TSOP packages. The assembly has 2 drams mounted on each side of a printed circuit board pad leadless Dual Row Sodim configuration ...
Page 2
FUNCTIONAL DIAGRAM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 MECHANICAL DIMENSIONS 0.070" 1.000" ORDER INFORMATION PART NUMBER CODING INTERPRETATION Position 1 Product AK = Accutek Memory 2 Type 4 = Dynamic ...