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AS7C256B Folha de dados(PDF) 1 Page - Alliance Semiconductor Corporation

Nome de Peças AS7C256B
Descrição Electrónicos  5V 32K X 8 CMOS SRAM (Common I/O)
PDF  8 Pages
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Fabricante Electrônico  ALSC [Alliance Semiconductor Corporation]
Página de início  https://www.alliancememory.com
Logo ALSC - Alliance Semiconductor Corporation

AS7C256B Folha de dados(HTML) 1 Page - Alliance Semiconductor Corporation

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September 2006
Advance Information
Copyright © Alliance Memory. All rights reserved.
AS7C256B
12/5/06; V.1.0
Alliance Memory
P. 1 of 8
5V 32K X 8 CMOS SRAM (Common I/O)
®
Features
• Industrial (-40o to 85oC) temperature
• Organization: 32,768 words × 8 bits
• High speed
- 12 ns address access time
- 6 ns output enable access time
• Low power consumption via chip deselect
• One chip select plus one Output Enable pin
• Bidirectional data inputs and outputs
• TTL-compatible
• 28-pin JEDEC standard packages
- 300 mil SOJ
-8
× 13.4 mm TSOP
- 300 mil PDIP
• ESD protection
≥ 2000 volts
Logic block diagram
A
9
A
8
32,768 X 8
Array
(262,144)
Input buffer
A0
A1
A2
A3
A4
A5
A6
A7
A
10
A
11
A
12
A
13
A
14
I/O0
I/O7
VCC
GND
OE
CE
WE
Address decoder
Control
circuit
Pin arrangement
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
AS7C256B
16
15
28-pin TSOP 1 (8×13.4mm)
28-pin DIP, SOJ (300 mil)
Note: This part is compatible with both pin numbering
conventions used by various manufacturers.
(21)
(20)
(19)
(18)
(17)
(16)
(15)
(14)
(13)
(12)
(11)
(10)
(9)
(8)
(22)
(23)
(24)
(25)
(26)
(27)
(28)
(1)
(2)
(3)
(4)
(5)
(6)
(7)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
28
27
26
25
24
23
22
21
20
19
18
17
VCC
WE
A13
A8
A9
A11
OE
A10
CE
I/O7
I/O6
I/O5
I/O4
I/O3
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O0
I/O1
I/O2
GND
16
15


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