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AS7C256A-20TIN PDF预览

AS7C256A-20TIN

更新时间: 2024-11-23 23:00:31
品牌 Logo 应用领域
ALSC 存储内存集成电路静态存储器光电二极管ISM频段
页数 文件大小 规格书
9页 249K
描述
5V 32K X 8 CMOS SRAM (Common I/O)

AS7C256A-20TIN 数据手册

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September 2004  
AS7C256A  
®
5V 32K X 8 CMOS SRAM (Common I/O)  
Features  
• TTL-compatible, three-state I/O  
• 28-pin JEDEC standard packages  
- 300 mil SOJ  
• Pin compatible with AS7C256  
• Industrial and commercial temperature options  
• Organization: 32,768 words × 8 bits  
• High speed  
- 10/12/15/20 ns address access time  
- 5, 6, 7, 8 ns output enable access time  
• Very low power consumption: ACTIVE  
- 412.5 mW max @ 10 ns  
- 8 × 13.4 mm TSOP 1  
• ESD protection 2000 volts  
• Latch-up current 200 mA  
• 2.0V Data retention  
• Very low power consumption: STANDBY  
- 11 mW max CMOS I/O  
• Easy memory expansion with CE and OE inputs  
Logic block diagram  
Pin arrangement  
28-pin TSOP 1 (8×13.4 mm)  
V
28-pin SOJ (300 mil)  
CC  
GND  
Input buffer  
A14  
A12  
A7  
A6  
A5  
A4  
A3  
A2  
A1  
1
2
3
4
5
6
7
8
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
V
CC  
WE  
A13  
A8  
A9  
A11  
OE  
OE  
A11  
A9  
1
A10  
CE  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
2
3
I/O7  
I/O6  
I/O5  
I/O4  
I/O3  
GND  
I/O2  
I/O1  
I/O0  
A0  
A0  
A1  
A8  
4
I/O7  
I/O0  
A13  
WE  
5
6
A2  
A3  
A4  
A5  
A6  
A7  
256 X 128 X 8  
Array  
V
7
CC  
8
A14  
A12  
A7  
AS7C256A  
9
A10  
CE  
10  
11  
12  
13  
14  
9
(262,144)  
A6  
A5  
A0  
10  
11  
12  
13  
14  
I/O7  
I/O6  
I/O5  
I/O4  
I/O3  
A4  
A1  
A2  
I/O0  
I/O1  
I/O2  
GND  
A3  
17  
16  
15  
WE  
OE  
CE  
Column decoder  
Control  
circuit  
A
8
A
9
A A A A A  
10 11 12 13 14  
Selection guide  
-10  
10  
5
-12  
12  
6
-15  
-20  
Unit  
ns  
Maximum address access time  
Maximum output enable access time  
Maximum operating current  
15  
7
20  
8
ns  
75  
2
70  
2
65  
2
60  
2
mA  
mA  
Maximum CMOS standby current  
9/24/04; v.1.2  
Alliance Semiconductor  
P. 1 of 9  
Copyright © Alliance Semiconductor. All rights reserved.  

AS7C256A-20TIN 替代型号

型号 品牌 替代类型 描述 数据表
AS7C256A-20TCN ALSC

完全替代

5V 32K X 8 CMOS SRAM (Common I/O)
AS7C3256A-20TIN ALSC

类似代替

3.3V 32K X 8 CMOS SRAM (Common I/O)
AS7C3256A-20TCN ALSC

类似代替

3.3V 32K X 8 CMOS SRAM (Common I/O)

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