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MX27C256QI-70 PDF预览

MX27C256QI-70

更新时间: 2024-11-27 22:17:31
品牌 Logo 应用领域
旺宏电子 - Macronix 存储内存集成电路可编程只读存储器OTP只读存储器电动程控只读存储器
页数 文件大小 规格书
15页 745K
描述
256K-BIT [32K x 8] CMOS EPROM

MX27C256QI-70 数据手册

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MX27C256  
256K-BIT [32K x 8] CMOS EPROM  
FEATURES  
32K x 8 organization  
Single +5V power supply  
Operating current: 30mA  
Standby current: 100uA  
+12.5V programming voltage  
Fast access time: 45/55/70/90/100/120/150 ns  
Totally static operation  
Package type:  
- 28 pin plastic DIP  
- 32 pin PLCC  
- 28 pin 8 x 13.4mm TSOP(I)  
Completely TTL compatible  
GENERAL DESCRIPTION  
EPROM programmers may be used. The MX27C256  
supports intelligent fast programming algorithm which  
canresultinprogrammingtimeoflessthantenseconds.  
The MX27C256 is a 5V only, 256K-bit, ultraviolet Eras-  
ableProgrammableReadOnlyMemory. Itisorganized  
as 32K by 8 bits, operates from a single + 5volt 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  
This EPROM is packaged in industry standard 28 pin  
dual-in-line packages, 32 lead PLCC, and 28 lead  
TSOP(I) packages.  
BLOCK DIAGRAM  
PIN CONFIGURATIONS  
PDIP  
PLCC  
CONTROL  
LOGIC  
OUTPUT  
CE  
OE  
Q0~Q7  
BUFFERS  
VCC  
A14  
A13  
A8  
VPP  
A12  
A7  
28  
27  
26  
25  
24  
23  
22  
21  
20  
19  
18  
17  
16  
15  
1
2
4
5
1
32  
30  
29  
A8  
A6  
3
A6  
4
A9  
A5  
A4  
A3  
A2  
A1  
A0  
NC  
Q0  
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
.
Y-DECODER  
X-DECODER  
Y-SELECT  
A9  
A5  
5
A11  
NC  
OE  
A10  
CE  
Q7  
Q6  
A11  
OE  
A10  
CE  
Q7  
A4  
6
A3  
7
A0~A14  
ADDRESS  
INPUTS  
A2  
8
9
25  
256K BIT  
CELL  
MX27C256  
A1  
9
A0  
10  
11  
12  
13  
14  
MAXTRIX  
Q6  
Q0  
Q1  
Q2  
GND  
Q5  
Q4  
13  
21  
Q3  
VCC  
GND  
VPP  
14  
17  
20  
PIN DESCRIPTION  
8 x 13.4mm 28-TSOP(I)  
SYMBOL  
A0~A14  
Q0~Q7  
CE  
PIN NAME  
OE  
A11  
A9  
22  
23  
24  
25  
26  
27  
28  
1
21  
20  
19  
18  
17  
16  
15  
14  
13  
12  
11  
10  
9
A10  
CE  
Q7  
Q6  
Q5  
Q4  
Q3  
GND  
Q2  
Q1  
Q0  
A0  
Address Input  
Data Input/Output  
A8  
A13  
A14  
VCC  
VPP  
A12  
A7  
Chip Enable Input  
OE  
Output Enable Input  
Program Supply Voltage  
No Internal Connection  
Power Supply Pin (+5V)  
Ground Pin  
MX27C256  
VPP  
2
3
NC  
A6  
4
A5  
5
VCC  
A4  
6
A1  
A3  
7
8
A2  
GND  
P/N: PM0203  
REV. 5.3, SEP. 19, 2001  
1

MX27C256QI-70 替代型号

型号 品牌 替代类型 描述 数据表
M27C256B-70C6TR STMICROELECTRONICS

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