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AK6361024S

Description
32,768 x 32 Bit CMOS/BiCMOS Static Random Access Memory
File Size73KB,2 Pages
ManufacturerACCUTEK
Websitehttp://www.accutekmicro.com/
Download Datasheet View All

AK6361024S Overview

32,768 x 32 Bit CMOS/BiCMOS Static Random Access Memory

Accutek
Microcircuit
Corporation
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
AK63232W
32,768 x 32 Bit CMOS/BiCMOS
Static Random Access Memory
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.
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, PD
0
and PD
1
, minimizes
interchangeability and design considerations when changing from
one module size to the other in customer applications.
1
FEATURES
·
32,768 x 32 bit organization
·
JEDEC Standardized 64 pin SIM format
·
Common I/O, single OE functions with four separate chip
selects (CE)
·
Low height, 0.600 inch maximum, for mounting in straight-up or
angled SIM sockets
·
Upward compatible with 64k x 32, AK63264W, 256K x 32,
AK6322W and 1 meg x 32, AK6321024W designs
·
Presence Detect, PD
0
and PD
1
for identifying module density
·
Fast Access Times range from 12 nSEC BiCMOS to 45 nSEC
CMOS
·
TTL compatible inputs and outputs
·
Single 5 volt power supply - AK63232W
·
Single 3.3 volt power supply - AK63232W/3.3
·
Operating temperature range in free air, 0
0
C to 70
0
C
PIN NOMENCLATURE
A
0
- A
14
CE
1
- CE
4
DQ
1
- DQ
32
OE
PD
0
- PD
1
Vcc
Vss
WE
Address Inputs
Chip Enable
Data In/Data Out
Output Enable
Presence Detect
Power Supply
Ground
Write Enable
PIN ASSIGNMENT
PIN #
SYMBOL
PIN #
SYMBOL
PIN #
SYMBOL
PIN #
SYMBOL
FUNCTIONAL DIAGRAM
A0
-
A14
1
2
3
4
5
6
7
8
9
10
11
Vss
PD0
PD1
DQ1
DQ9
DQ2
DQ10
DQ3
DQ11
DQ4
DQ12
Vcc
A0
A7
A1
A8
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
A2
A9
DQ13
DQ5
DQ14
DQ6
DQ15
DQ7
DQ16
DQ8
Vss
WE
NC
A14
CE2
CE1
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
CE4
CE3
NC
NC
OE
Vss
DQ25
DQ17
DQ26
DQ18
DQ27
DQ19
DQ28
DQ20
A3
A10
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
A4
A11
A5
A12
Vcc
A13
A6
DQ21
DQ29
DQ22
DQ30
DQ23
DQ31
DQ24
DQ32
Vss
15
AO-
A14
OE
WE
OE
WE
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ1
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
CE
CE1
AO-
DQ1
A14
OE
WE
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ9
DQ10
DQ11
DQ12
DQ13
DQ14
DQ15
DQ16
CE
CE2
AO-
DQ1
A14
MODULE OPTIONS
Leadless SIM: AK63232W
Leaded SIP: AK63232G
12
13
14
15
16
OE
WE
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ17
DQ18
DQ19
DQ20
DQ21
DQ22
DQ23
DQ24
CE
CE3
AO-
DQ1
A14
PD0 = Open
PD1 = Open
CE4
OE
WE
DQ2
DQ3
DQ4
DQ5
DQ6
DQ7
DQ8
DQ25
DQ26
DQ27
DQ28
DQ29
DQ30
DQ31
DQ32
CE
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