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參數資料
| 型號： | W24257C |
| 廠商： | WINBOND ELECTRONICS CORP |
| 英文描述： | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
| 中文描述： | 32K的× 8位的CMOS靜態RAM（32K的× 8位的CMOS靜態RAM）的 |
| 文件頁數： | 1/11頁 |
| 文件大小： | 211K |
| 代理商： | W24257C |
Preliminary W24257C
32K
×
8 CMOS STATIC RAM
- 1 -
Publication Release Date: January 1999
Revision A1
GENERAL DESCRIPTION
The W24257C is a slow 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
Low power consumption:
Active: 400 mW (max.)
Standby: 250
μ
W (max.) (LL-version)
500
μ
W (max.) (L-version)
Access time: 70/100 nS (max.)
Single
+
5V power supply
Fully static operation
All inputs and outputs directly TTL compatible
Three-state outputs
Battery back-up operation capability
Data retention voltage: 2V (min.)
Available packages: 28-pin 600 mil DIP, 330
mil SOP, 300 mil skinny DIP and SOJ
PIN CONFIGURATION
25
26
27
28
20
21
22
23
16
17
18
19
15
A8
A9
A11
A10
I/O8
I/O7
I/O6
I/O5
I/O4
A13
CS
OE
WE
V
DD
1
2
3
4
5
6
7
8
9
10
11
12
13
14
A14
A7
A6
A5
A12
A4
A3
A2
A1
A0
I/O2
I/O3
I/O1
V
SS
24
BLOCK DIAGRAM
A0
.
.
CS
A14
WE
I/O1
.
.
I/O8
OE
V
DD
V
SS
DATA I/O
DECODER
CONTROL
CORE
ARRAY
PIN DESCRIPTION
SYMBOL
A0
A14
I/O1
I/O8
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Select Input
CS
WE
Write Enable Input
OE
V
DD
V
SS
Output Enable Input
Power Supply
Ground
相關PDF資料 |
PDF描述 |
|---|---|
| W24258C | 32K×8bit CMOS Static RAM(32K×8位CMOS靜態RAM) |
| W24258S-55LL | 32K X 8 CMOS STATIC RAM |
| W24258S-70LE | 32K X 8 CMOS STATIC RAM |
| W24258S-70LI | 32K X 8 CMOS STATIC RAM |
| W24258S-70LL | 32K X 8 CMOS STATIC RAM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| 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 |
| W24257S-70L | 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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