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參數資料
| 型號： | W24258C-70LE |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | SRAM |
| 英文描述： | 32K X 8 STANDARD SRAM, 100 ns, PDIP28 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-28 |
| 文件頁數： | 1/10頁 |
| 文件大?。?/td> | 187K |
| 代理商： | W24258C-70LE |
Preliminary W24258C
32K
× 8 CMOS STATIC RAM
Publication Release Date: December 1998
- 1 -
Revision A1
GENERAL DESCRIPTION
The W24258C is a normal speed, very low power CMOS static RAM organized as 32768
× 8 bits that
operates on a wide voltage range from 2.7V to 5.5V power supply. This device is manufactured using
Winbond's high performance CMOS technology.
FEATURES
Low power consumption:
Active: 350 mW (max.)
Standby: 6
W (max.)/3V
25
W (max.)/5V
Access time: 70 nS (max.)/5V
100 nS (max.)/3V
Single 3V/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
28-pin
DIP
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VDD
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
VSS
1
2
3
4
5
6
7
8
9
1
0
1
2
28
27
26
25
24
23
22
21
20
19
18
17
16
15
28-pin
TSOP
OE
A11
A9
A8
A13
WE
VDD
A14
A12
A7
A6
A5
A4
A3
A10
CS
I/O8
I/O7
I/O6
I/O5
I/O4
I/O3
I/O2
I/O1
A0
A1
A2
VSS
BLOCK DIAGRAM
CLK GEN.
PRECHARGE CKT.
CORE CELL ARRAY
512 ROWS
64 X 8 COLUMNS
DATA
CNTRL.
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
DESCRIPTION
A0
A14
Address Inputs
I/O1
I/O8
Data Inputs/Outputs
CS
Chip Select Input
WE
Write Enable Input
OE
Output Enable Input
VDD
Power Supply
VSS
Ground
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相關代理商/技術參數 |
參數描述 |
|---|---|
| W24258H | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
| W24258LL | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:32K x 8 CMOS STATIC RAM |
| W24258-LL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
| W24258Q-55LL | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
| W24258Q-70LE | 制造商:WINBOND 制造商全稱:Winbond 功能描述:32K X 8 CMOS STATIC RAM |
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