ak5322048bw Accutek Microcircuit Corporation, ak5322048bw Datasheet
ak5322048bw
Manufacturer Part Number
ak5322048bw
Description
2,097,152 Word By 32 Bit Cmos Accutek Dynamic Random Access Memory
Manufacturer
Accutek Microcircuit Corporation
Datasheet
1.AK5322048BW.pdf
(2 pages)
The Accutek AK5322048BW high density memory module is a
CMOS dynamic RAM organized in 2048K x 32 bit words. The mod-
ule consists of four standard 1 Meg x 16 bits DRAMs in plastic SOJ
packages. The assembly has two 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 AK5322048BW is identical to sixteen 1 Meg x 4
DRAMs. There are four CAS lines and two 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 1 Meg x
16 DRAM.
· 2,097,152 x 32 bit organization
· 72 pad Single In-Line Module
· CAS-before-RAS, RAS-only or hidden refresh
· Operating free air temperature 0
· Single 5 Volt Power Supply
· 1024 Refresh Cycles, 16 mSEC
· Available in Fast Page Mode or EDO
A
DQ
W
RAS
CAS
PD
Vss
Vcc
NC
Leadless SIM: AK5322048BW
DESCRIPTION
FEATURES
PIN NOMENCLATURE
MODULE OPTIONS
0
- A
1
0
0
0
- PD
- DQ
, RAS
9
- CAS
MICROCIRCUIT CORPORATION
ACCUTEK
4
35
1
3
Address Inputs
Data In/Data Out
Write Enable
Row Address Strobe
Column Address Strobe
Presence Detect
Ground
5v Supply
No Connect
o
C to 70
o
C
Presence Detect
PIN ASSIGNMENT
PIN #
10
11
12
13
14
15
16
17
18
1
2
3
4
5
6
7
8
9
PD1
PD2
PD3
PD4
SYMBOL
DQ16
DQ17
DQ18
DQ19
Vss
Vss
DQ0
DQ1
DQ2
DQ3
-50
NC
VC
Vss
Vcc
NC
A0
A1
A2
A3
A4
A5
A6
-60
NC
NC
NC
NC
· Power:
· Downward compatible with AK5321024W, AK532512W and
· Upward compatible with AK5324096W and AK5328192W
1 Meg x 32 version, AK5321024BW
1 Meg x 36 version, AK5361024BW
2 Meg x 36 version, AK5362048BW
PIN #
ADDITIONAL OPTIONS AVAILABLE
+
+
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
3.96 Watt Max Active (50nS)
3.52 Watt Max Active (60 nS)
3.08 Watt Max Active (70 nS)
44 mW Max Standby
AK532256W
1
Vss
-70
NC
NC
NC
SYMBOL
DQ20
DQ21
DQ22
DQ23
RAS3
RAS2
DQ4
DQ5
DQ6
DQ7
Dynamic Random Access Memory
Vcc
NC
NC
NC
NC
A7
A8
A9
2,097,152 Word by 32 Bit CMOS
PIN #
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
SYMBOL
CAS0
CAS2
CAS3
CAS1
RAS0
RAS1
DQ24
DQ25
DQ10
DQ26
DQ8
DQ9
Vss
WE
NC
NC
NC
NC
AK5322048BW
PIN #
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
SYMBOL
DQ11
DQ27
DQ12
DQ28
DQ29
DQ13
DQ30
DQ14
DQ31
DQ15
PD1
PD1
PD3
PD4
Vcc
Vss
NC
NC
72
+
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ak5322048bw Summary of contents
Page 1
... 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 AK5322048BW is identical to sixteen 1 Meg x 4 DRAMs. There are four CAS lines and two RAS lines. On each bank 32, independent byte control is accomplished by four CAS lines ...
Page 2
FUNCTIONAL DIAGRAM DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DQ8 DQ9 DQ10 DQ11 DQ12 DQ13 DQ14 DQ15 MECHANICAL DIMENSIONS .750" 0.400" 0.250" 1 0.080" ACCUTEK 5 NEW PASTURE ROAD NEWBURYPORT, MA 01950-4040 PHONE: 978-465-6200 Email: MICROCIRCUIT CORPORATION Internet: www.accutekmicro.com ...