AK63232G/3.3-30 [ACCUTEK]
SRAM;型号: | AK63232G/3.3-30 |
厂家: | ACCUTEK MICROCIRCUIT CORPORATION |
描述: | SRAM 静态存储器 |
文件: | 总2页 (文件大小:81K) |
中文: | 中文翻译 | 下载: | 下载PDF数据表文档文件 |
Accutek
Microcircuit
Corporation
AK63232W
32,768 x 32 Bit CMOS/BiCMOS
Static Random Access Memory
DESCRIPTION
The Accutek AK63232W SRAM Module consists of fast high perfor-
mance SRAMs mounted on a low profile, 64 pin SIM Board. The
module utilizes four 28 pin 32K x 8 SRAMs in SOJ packages and
four decoupling capacitor chips on one side of the circuit board.
Pin 1
Pin 1
Pin 1
Pin 1
The SRAMs used have common I/O functions and single output en-
able functions. Also, four separate chip select (CE) connections are
used to independently enable the four bytes. The modules can be
supplied in a variety of access time values from 12 nSEC to
45 nSEC in CMOS or BiCMOS technology.
1
The Accutek module is designed for the lowest height off the board,
consistent with the availability of commonly available SRAM SOJ
package configurations. Each conforms to JEDEC - standard sizes
and pin-out configurations. This, along with use of two pins for mod-
ule memory density identification, PD0 and PD1, minimizes
interchangeability and design considerations when changing from
one module size to the other in customer applications.
· Upward compatible with 64k x 32, AK63264W, 256K x 32,
AK6322W and 1 meg x 32, AK6321024W designs
· Presence Detect, PD0 and PD1 for identifying module density
FEATURES
· Fast Access Times range from 12 nSEC BiCMOS to 45 nSEC
CMOS
· 32,768 x 32 bit organization
· JEDEC Standardized 64 pin SIM format
· TTL compatible inputs and outputs
· Common I/O, single OE functions with four separate chip
selects (CE)
· Single 5 volt power supply - AK63232W
· Single 3.3 volt power supply - AK63232W/3.3
· Operating temperature range in free air, 00C to 700C
· Low height, 0.600 inch maximum, for mounting in straight-up or
angled SIM sockets
PIN NOMENCLATURE
PIN ASSIGNMENT
FUNCTIONAL DIAGRAM
PIN #
SYMBOL
PIN #
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
SYMBOL
PIN #
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
SYMBOL
CE4
PIN #
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
SYMBOL
A4
AO-
A14
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
A14
A0
-
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
A0 - A14
CE1 - CE4
DQ1 - DQ32
OE
Address Inputs
15
1
Vss
A2
OE
OE
Chip Enable
2
PD0
PD1
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
DQ4
DQ12
Vcc
A9
CE3
A11
WE
WE
3
DQ13
DQ5
DQ14
DQ6
DQ15
DQ7
DQ16
DQ8
Vss
NC
A5
Data In/Data Out
Output Enable
Presence Detect
Power Supply
Ground
CE
4
NC
A12
CE1
CE2
CE3
CE4
5
OE
Vcc
AO-
A14
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
PD0 - PD1
Vcc
DQ9
6
Vss
A13
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ16
OE
7
DQ25
DQ17
DQ26
DQ18
DQ27
DQ19
DQ28
DQ20
A3
A6
WE
8
DQ21
DQ29
DQ22
DQ30
DQ23
DQ31
DQ24
DQ32
Vss
Vss
CE
9
WE
Write Enable
10
11
12
13
14
15
16
AO-
A14
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
MODULE OPTIONS
WE
OE
WE
A0
NC
Leadless SIM: AK63232W
A7
A14
CE
A1
CE2
CE1
Leaded SIP: AK63232G
AO-
A14
A8
A10
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
DQ32
OE
PD0 = Open
PD1 = Open
WE
CE
MECHANICAL DIMENSIONS
ORDERING INFORMATION
Inches
PART NUMBER CODING INTERPRETATION
Position
1 2 3 4 5 6 7 8
1
Product
AK
= Accutek Memory
2
Type
4 = Dynamic RAM
5 = CMOS Dynamic RAM
6 = Static RAM
3
Organization/Word Width
1 = by 1 16 = by 16
4 = by 4 32 = by 32
8 = by 8 36 = by 36
9 = by 9
4
Size/Bits Depth
64 = 64K
4096 = 4 MEG
8192 = 8 MEG
1024 = 1 MEG 16384 = 16 MEG
256 = 256K
5
Package Type
G = Single In-Line Package (SIP)
S = Single In-Line Module (SIM)
D = Dual In-Line Package (DIP)
W = .050 inch Pitch Edge Connect
Z = Zig-Zag In-Line Package (ZIP)
6
Special Designation
P = Page Mode
N = Nibble Mode
K = Static Column Mode
W = Write Per Bit Mode
V = Video Ram
7
Separator
-
= Commercial 00C to +700C
M = Military Equivalent Screened
(-550C to +1250C)
I
= Industrial Temperature Tested
(-450C to +850C)
X = Burned In
8
Speed (first two significant digits)
SRAMS
DRAMS
50
60
70
80
=
=
=
=
50 nS
60 nS
70 nS
80 nS
8
12
15
20
=
=
=
=
8 nS
12 nS
15 nS
20 nS
The numbers and coding on this page do not include all variations
available but are shown as examples of the most widely used varia-
tions. Contact Accutek if other information is required.
EXAMPLES:
AK63232W-12
32K x 32, 12 nSEC SRAM SIM Module
Accutek reserves the right to make changes in specifications at any
time and without notice. Accutek does not assume any responsibility
for the use of any circuitry described; no circuit patent licenses are
implied. Preliminary data sheets contain minimum and maximum
limits based upon design objectives, which are subject to change
upon full characterization over the specific operating conditions.
ACCUTEK MICROCIRCUIT CORPORATION
BUSINESS CENTER at NEWBURYPORT
2 NEW PASTURE ROAD, SUITE 1
NEWBURYPORT, MA 01950-4054
PHONE:
Email:
Internet:
978-465-6200 FAX: 978-462-3396
sales@accutekmicro.com
www.accutekmicro.com
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