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參數資料
| 型號： | W24257AS-20 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 High Speed CMOS Static RAM |
| 中文描述： | 32K X 8 STANDARD SRAM, 20 ns, PDSO28 |
| 封裝： | 0.330 INCH, SOP-28 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 226K |
| 代理商： | W24257AS-20 |
W24257A
32K
×
8 HIGH SPEED CMOS STATIC RAM
Publication Release Date: May 1997
- 1 -
Revision A14
GENERAL DESCRIPTION
The W24257A is a high speed, low power CMOS static RAM organized as 32768
×
8 bits that
operates on a single 5-volt power supply. This device is manufactured using Winbond's high
performance CMOS technology.
FEATURES
High speed access time: 10/12/15/20 nS (max.)
Low power consumption:
Active: 400 mW (typ.)
Single
+
5V power supply
Fully static operation
All inputs and outputs directly TTL compatible
Three-state outputs
Available packages: 28-pin 300 mil SOJ, 330
mil SOP, skinny DIP and standard type one
TSOP (8 mm
×
13.4 mm)
PIN CONFIGURATIONS
1
2
3
4
5
6
7
8
9
10
11
12
13
14
2DIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
V
DD
WE
A13
A8
A9
A11
OE
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
A14
A12
A7
A6
A5
A4
A3
A2
A1
A0
I/O1
I/O2
I/O3
V
SS
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
16
15
28-pin
OE
A9
A8
A13
WE
DD
V
A7
A6
A5
A4
A3
A10
CS
V
SS
I/O3
A0
A1
A2
BLOCK DIAGRAM
A0
.
.
CS
A14
WE
I/.
.
I/O8
OE
V
DD
V
SS
DATA I/O
DECODER
CONTROL
CORE
ARRAY
PIN DESCRIPTION
SYMBOL
A0
A14
I/O1
I/O8
CS
WE
OE
V
DD
V
SS
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Select Input
Write Enable Input
Output Enable Input
Power Supply
Ground
相關PDF資料 |
PDF描述 |
|---|---|
| W24257 | 32K X 8 High Speed CMOS Static RAM |
| W24257A | 32K X 8 High Speed CMOS Static RAM |
| W24257AJ-12 | 32K X 8 High Speed CMOS Static RAM |
| W24257C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
| W24258C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W24257AS-35 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257K70LL | 制造商:WINBOND 功能描述:New |
| W24257Q-70L | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LE | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24257Q-70LL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
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