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參數資料
| 型號： | W27C020-90 |
| 廠商： | WINBOND ELECTRONICS CORP |
| 元件分類： | PROM |
| 英文描述： | 256K X 8 ELECTRICALLY ERASABLE EPROM |
| 中文描述： | 256K X 8 EEPROM 12V, 90 ns, PDIP32 |
| 封裝： | 0.600 INCH, PLASTIC, DIP-32 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 160K |
| 代理商： | W27C020-90 |
Preliminary W27C020
256K
×
8 ELECTRICALLY ERASABLE EPROM
Publication Release Date: September 1998
- 1 -
Revision A1
GENERAL DESCRIPTION
The W27C020 is a high speed, low power Electrically Erasable and Programmable Read Only
Memory organized as 262144
×
8 bits that operates on a single 5 volt power supply. The W27C020
provides an electrical chip erase function.
FEATURES
High speed access time:
70/90/120 nS (max.)
Read operating current: 30 mA (max.)
Erase/Programming operating current:
30 mA (max.)
Standby current: 1 mA (max.)
Single 5V power supply
+14V erase/+12V programming voltage
Fully static operation
All inputs and outputs directly TTL/CMOS
compatible
Three-state outputs
Available
packages: 32-pin 600 mil DIP and
PLCC
PIN CONFIGURATIONS
A6
A5
A4
A3
A2
A1
A0
Q0
5
6
7
8
9
10
11
12
13
Q
1
Q
2
Q
4
Q
5
Q
6
1
4
4 3 2 1 3
2
3
1
3
0
A14
A13
A8
A9
A11
OE
A10
29
28
27
26
25
24
23
22
21
32-pin PLCC
G
N
D
1
5
1
6
1
7
1
8
1
9
2
0
1
7
V
c
c
Q7
Q5
OE
A10
CE
Q7
Q6
A13
A8
A9
A11
PGM
A17
A14
Q0
A0
A2
A1
A3
A4
A5
A6
A7
A12
A15
A16
Vcc
Vpp
A
1
5
A
1
6
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
30
29
31
32
25
24
26
27
28
20
21
22
23
19
18
17
Q3
Q4
GND
Q2
Q1
Q
3
A7
A
1
2
V
p
p
/
P
G
M
A
32-pin DIP
BLOCK DIAGRAM
CONTROL
OUTPUT
BUFFER
DECODER
CORE
ARRAY
Q0
Q7
.
CE
OE
A0
.
PGM
V
GND
V
PP
CC
A17
PIN DESCRIPTION
SYMBOL
A0
A17
Q0
Q7
CE
OE
PGM
V
PP
V
CC
GND
DESCRIPTION
Address Inputs
Data Inputs/Outputs
Chip Enable
Output Enable
Program Enable
Program/Erase Supply Voltage
Power Supply
Ground
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| W27C020 | 256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020-12 | 256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020M-12 | 256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020M-70 | 256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020M-90 | 256K X 8 ELECTRICALLY ERASABLE EPROM |
相關代理商/技術參數 |
參數描述 |
|---|---|
| W27C020M | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020M-12 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020M-70 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020M-90 | 制造商:WINBOND 制造商全稱:Winbond 功能描述:256K X 8 ELECTRICALLY ERASABLE EPROM |
| W27C020MP-12 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:x8 EEPROM |
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