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參數資料
| 型號： | W24258Q-70LL |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 CMOS STATIC RAM |
| 中文描述： | 32K X 8 STANDARD SRAM, 70 ns, PDSO28 |
| 封裝： | 8 X 13.4 MM, TSOP1-28 |
| 文件頁數： | 1/10頁 |
| 文件大小： | 185K |
| 代理商： | W24258Q-70LL |
W24258/LL
32K
×
8 CMOS STATIC RAM
Publication Release Date: November 1998
- 1 -
Revision A5
GENERAL DESCRIPTION
The W24258/LL is a normal speed, very 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: 350 mW (max.)
Standby: 25
μ
W (max.)
Access time: 55/70 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.)
Packaged in 28-pin 600 mil DIP, 330 mil SOP
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
CLK GEN.
PRECHARGE CKT.
CORE CELL ARRAY
512 ROWS
64 X 8 COLUMNS
DATA
CLK
GEN.
R
O
W
D
E
C
O
D
E
R
A12
A14
A2
A3
A4
A5
A6
A7
A13
A11
I/O CKT.
COLUMN DECODER
OE
WE
CS
I/O1
I/O8
A10 A1 A0 A8 A9
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
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W24258Q-70SL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 SRAM |
| W24258S-55LL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
| W24258S-70LE | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
| W24258S-70LI | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
| W24258S-70LL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
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