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參數(shù)資料
| 型號： | AK681024S |
| 廠商： | Accutek Microcircuit Corporation |
| 英文描述： | 65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory |
| 中文描述： | 65536 × 32位的CMOS / BiCMOS工藝靜態(tài)隨機(jī)存取存儲器 |
| 文件頁數(shù)： | 1/2頁 |
| 文件大?。?/td> | 94K |
| 代理商： | AK681024S |
DESCRIPTION
The Accutek AK63264BZ SRAM Module consists of fast high
performance SRAMs mounted on a low height, 64 pin SIM or ZIP
Board. The module utilizes four 32 pin 64K x 8 SRAMs in 300 mil
SOJpackagesandfourdecouplingcapacitorsmountedonthefront
side of a printed circuit board.
TheSRAMsusedhavecommonI/Ofunctionsandsingleoutputen-
ablefunctions. Also,fourseparatechipselect(CE)connectionsare
used to independently enable the four bytes. The modules can be
suppliedinavarietyofaccesstimevaluesfrom12nSECto35nSEC
in CMOS or BiCMOS technology.
The Accutek module is designed to have a maximum seated height
of 0.520 inch to provide for the lowest height off the board. Each
conforms to JEDEC-standard sizes and pin-out configurations.
Using two pins for module density identification, PD
0
and PD
1
, mini-
mizesinterchangeabilityanddesignconsiderationswhenchanging
from one module size to the other in customer applications.
FEATURES
65,536 x 32 bit organization
JEDEC Standard 64 pin ZIP format
Common I/O, single OE fucntions with four separate chip se-
lects (CE)
Low height 0.520 inch maximum
Presence Detect, PD
0
and PD
1
for identifying module density
Downard compatible with 32K x 32 (AK63232)
Fast access times from 12nSEC
Upward compatible with 128K x 32 (AK632128), 256K x 32
(AK632256), 512K x 32 (AK632512) and 1 Meg x 32
(AK6321024)
TTL-compatible inputs and outputs
Single 5 volt power supply - AK63264BZ
Single 3.3 volt power supply - AK63264BZ/3.3
Operating temperature range in free air, 0
0
to 70
0
C
ELECTRICAL SPECIFICATIONS
Timing Diagrams and basic electrical characteristics are those of
the standard 64K x 8 SRAMs used to construct these modules.
Accutek’s module design allows the flexibility of selecting indus-
try-compatible 64K x 8 SRAMs from several semiconductor manu-
facturers.
Accutek
Microcircuit
Corporation
AK63264BZ
65,536 x 32 Bit CMOS/BiCMOS
Static Random Access Memory
PIN NOMENCLATURE
A
0
- A
15
Address Inputs
CE
1
- CE
4
Chip Enable
DQ
1
- DQ
32
Data In/Data Out
OE
Output Enable
PD
0
- PD
1
Presence Detect
Vcc
Power Supply
Vss
Ground
WE
Write Enable
NC
No Connect
MODULE OPTIONS
Leaded ZIP: AK63264BZ
PIN ASSIGNMENT
PIN #
SYMBOL
PIN #
SYMBOL
PIN #
SYMBOL
PIN #
SYMBOL
1
Vss
17
A2
33
CE4
49
A4
2
PD0
18
A9
34
CE3
50
A11
3
PD1
19
DQ13
35
NC
51
A5
4
DQ1
20
DQ5
36
NC
52
A12
5
DQ9
21
DQ14
37
OE
53
Vcc
6
DQ2
22
DQ6
38
Vss
54
A13
7
DQ10
23
DQ15
39
DQ25
55
A6
8
DQ3
24
DQ7
40
DQ17
56
DQ21
9
DQ11
25
DQ16
41
DQ26
57
DQ29
10
DQ4
26
DQ8
42
DQ18
58
DQ22
11
DQ12
27
Vss
43
DQ27
59
DQ30
12
Vcc
28
WE
44
DQ19
60
DQ23
13
A0
29
A15
45
DQ28
61
DQ31
14
A7
30
A14
46
DQ20
62
DQ24
15
A1
31
CE2
47
A3
63
DQ32
16
A8
32
CE1
48
A10
64
Vss
PD
0
= Open
PD
1
= Vss
FUNCTIONAL DIAGRAM
1
32
33
64
Front View
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|---|---|
| AK681024W | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:32,768 x 32 Bit CMOS / BiCMOS Static Random Access Memory |
| AK681024Z | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:32,768 x 32 Bit CMOS / BiCMOS Static Random Access Memory |
| AK68128-512-D32 | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:28 Pin to 32 Pin DIP Adapters |
| AK6816384D | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory |
| AK6816384G | 制造商:ACCUTEK 制造商全稱:ACCUTEK MICROCIRCUIT CORPORATION 功能描述:65,536 x 32 Bit CMOS/BiCMOS Static Random Access Memory |
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