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参数资料
| 型号： | A428316SERIES |
| 英文描述： | 256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE |
| 中文描述： | 256 × 16的CMOS动态RAM与江户页面模式 |
| 文件页数： | 2/25页 |
| 文件大小： | 272K |
| 代理商： | A428316SERIES |
Preliminary
A428316 Series
256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE
PRELIMINARY (August, 2002, Version 0.3)
1
AMIC Technology, Inc.
Features
n
Organization: 262,144 words X 16 bits
n
Part Identification
- A428316 (512 Ref.)
n
Single 5.0V power supply/built-in VBB generator
n
Low power consumption
- Operating: 110mA (-25 max)
-
Standby: 2.5mA (TTL), 1.0mA (CMOS)
1.0mA (Self-refresh current)
n
High speed
- 25/35 ns RAS access time
- 12/17 ns column address access time
-
8/10 ns CAS access time
-
12/16 ns EDO Page Mode Cycle Time
n
Industrial operating temperature range: -40
°
C to 85
°
C
for -U
n
Fast Page Mode with Extended Data Out
n
Separate
CAS
(
UCAS
,
LCAS
) for byte selection
n
512 Refresh Cycle in 8ms
n
Read-modify-write, RAS -only, CAS -before- RAS ,
Hidden refresh capability
n
TTL-compatible, three-state I/O
n
JEDEC standard packages
-
400mil, 40-pin SOJ
-
400mil, 40/44 TSOP type II package
General Description
The A428316 is a new generation randomly accessed
memory for graphics, organized in a 262,144-word by 16-
bit configuration. This product can execute Byte Write
and Byte Read operation via two
CAS
pins.
The A428316 offers an accelerated Fast Page Mode
Pin Configuration
n
SOJ
n
TSOP
VCC
I/O
0
I/O
1
I/O
2
I/O
3
VCC
NC
NC
A1
A2
A3
VCC
A4
VSS
A5
A6
A7
A8
I/O
13
I/O
12
VSS
I/O
14
I/O
15
VSS
A
21
WE
RAS
NC
OE
I/O
4
I/O
5
I/O
6
I/O
7
A0
UCAS
LCAS
NC
I/O
8
I/O
9
I/O
10
I/O
11
20
19
18
12
13
14
15
16
17
11
10
9
8
7
6
5
4
3
2
1
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
VCC
I/O
0
I/O
1
I/O
2
I/O
3
VCC
NC
NC
A1
A2
A3
A4
VSS
A5
A6
A7
A8
I/O
13
I/O
12
VSS
I/O
14
I/O
15
VSS
A
23
WE
RAS
NC
I/O
4
I/O
5
I/O
6
I/O
7
A0
UCAS
OE
LCAS
NC
I/O
8
I/O
9
I/O
10
I/O
11
22
21
20
14
15
16
17
18
19
13
10
9
8
7
6
5
4
3
2
1
24
25
26
27
28
29
30
31
32
35
36
37
38
39
40
41
42
43
44
VCC
cycle with a feature called Extended Data Out (EDO).
This allow random access of up to 512 words within a row
at a 83/62 MHz EDO cycle, making the A428316 ideally
suited for graphics, digital signal processing and high
performance computing systems.
Pin Descriptions
Symbol
Description
A0 – A8
I/O
0
- I/O
15
Address Inputs
Data Input/Output
Row Address Strobe
RAS
LCAS
Column Address Strobe for Lower Byte
(I/O
0
– I/O
7
)
Column Address Strobe for Upper Byte
(I/O
8
– I/O
15
)
Write Enable
UCAS
WE
OE
Output Enable
VCC
VSS
NC
5.0V Power Supply
Ground
No Connection
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相关代理商/技术参数 |
参数描述 |
|---|---|
| A428316V | 制造商:AMICC 制造商全称:AMIC Technology 功能描述:256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE |
| A428316V-25 | 制造商:AMICC 制造商全称:AMIC Technology 功能描述:256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE |
| A428316V-25U | 制造商:AMICC 制造商全称:AMIC Technology 功能描述:256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE |
| A428316V-35 | 制造商:AMICC 制造商全称:AMIC Technology 功能描述:256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE |
| A428316V-35U | 制造商:AMICC 制造商全称:AMIC Technology 功能描述:256K X 16 CMOS DYNAMIC RAM WITH EDO PAGE MODE |
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