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參數資料
| 型號： | 27L256-25 |
| 廠商： | Macronix International Co., Ltd. |
| 英文描述： | 256K-BIT [32Kx8] LOW VOLTAGE OPERATION CMOS EPROM |
| 中文描述： | 256K比特[32Kx8]低電壓工作的CMOS存儲器 |
| 文件頁數： | 1/14頁 |
| 文件大小： | 769K |
| 代理商： | 27L256-25 |
FEATURES
32K x 8 organization
Wide Voltage range, 2.7V to 3.6V DC
+12.5V programming voltage
Fast access time: 120/150/200/250 ns
Totally static operation
Completely TTL compatible
Operating current: 10mA @ 3.6V, 5MHz
Standby current: 10uA
Package type:
- 28 pin plastic DIP
- 32 pin PLCC
- 28 pin 8 x 13.4mm TSOP(
I
)
8 x 13.4mm 28 -TSOP(
I
)
GENERAL DESCRIPTION
The MX27L256 is a 256K-bit, One-Time Programmable
Read Only Memory. It is organized as 32K by 8 bits,
operates from a single + 3volt supply, has a static
standby mode, and features fast single address location
programming. All programming signals are TTL levels,
requiring a single pulse. For programming from outside
the system, existing EPROM programmers may be
P/N: PM0248
BLOCK DIAGRAM
SYMBOL
PIN NAME
A0~A14
Address Input
Q0~Q7
Data Input/Output
CE
Chip Enable Input
OE
Output Enable Input
VPP
Program Supply Voltage
NC
No Internal Connection
VCC
Power Supply Pin
GND
Ground Pin
PIN DESCRIPTION
PIN CONFIGURATIONS
PDIP
REV. 3.6, AUG. 26, 2003
PLCC
used. The MX27L256 supports intelligent fast program-
ming algorithm which can result in programming time of
less than ten seconds.
This EPROM is packaged in industry standard 28 pin
dual-in-line packages, 32 lead PLCC, and 28 lead
TSOP
(I
) packages.
1
MX27L256
256K-BIT [32Kx8] LOW VOLTAGE OPERATION
CMOS EPROM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VPP
A12
A7
A6
A5
A4
A3
A2
A1
A0
Q0
Q1
Q2
GND
28
27
26
25
24
23
22
21
20
19
18
17
16
15
VCC
A14
A13
A8
A9
A11
OE
A10
CE
Q7
Q6
Q5
Q4
Q3
M
1
4
5
9
13
14
17
2021
25
29
32
30
A8
A9
A11
NC
OE
A10
CE
Q7
Q6
A6
A5
A4
A3
A2
A1
A0
NC
Q0
Q
Q
G
N
Q
Q
Q
A
A
V
N
V
A
A
MX27L256
OE
A11
A9
A8
A13
A14
VCC
VPP
A12
A7
A6
A5
A4
A3
22
23
24
25
26
27
28
1
2
3
4
5
6
7
A10
CE
Q7
Q6
Q5
Q4
Q3
GND
Q2
Q1
Q0
A0
A1
A2
21
20
19
18
17
16
15
14
13
12
11
10
9
8
MX27L256
CONTROL
LOGIC
OUTPUT
BUFFERS
Q0~Q7
CE
OE
A0~A14
ADDRESS
INPUTS
Y-DECODER
X-DECODER
Y-SELECT
256K BIT
CELL
MAXTRIX
VCC
GND
VPP
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
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