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28C04AF-25I/J PDF预览

28C04AF-25I/J

更新时间: 2024-11-20 20:58:11
品牌 Logo 应用领域
美国微芯 - MICROCHIP 可编程只读存储器电动程控只读存储器电可擦编程只读存储器内存集成电路
页数 文件大小 规格书
8页 59K
描述
512 X 8 EEPROM 5V, 250 ns, CDIP24, CERDIP-24

28C04AF-25I/J 技术参数

是否无铅: 含铅是否Rohs认证: 不符合
生命周期:Obsolete零件包装代码:DIP
包装说明:DIP, DIP24,.6针数:24
Reach Compliance Code:not_compliantECCN代码:EAR99
HTS代码:8542.32.00.51风险等级:5.91
Is Samacsys:N最长访问时间:250 ns
其他特性:AUTOMATIC WRITE; BULK ERASE; DATA RETENTION > 10 YEARS命令用户界面:NO
数据轮询:YES数据保留时间-最小值:10
耐久性:10000 Write/Erase CyclesJESD-30 代码:R-GDIP-T24
JESD-609代码:e0内存密度:4096 bit
内存集成电路类型:EEPROM内存宽度:8
功能数量:1端子数量:24
字数:512 words字数代码:512
工作模式:ASYNCHRONOUS最高工作温度:85 °C
最低工作温度:-40 °C组织:512X8
输出特性:3-STATE封装主体材料:CERAMIC, GLASS-SEALED
封装代码:DIP封装等效代码:DIP24,.6
封装形状:RECTANGULAR封装形式:IN-LINE
并行/串行:PARALLEL峰值回流温度(摄氏度):NOT SPECIFIED
电源:5 V编程电压:5 V
认证状态:Not Qualified最大待机电流:0.0001 A
子类别:EEPROMs最大压摆率:0.03 mA
最大供电电压 (Vsup):5.5 V最小供电电压 (Vsup):4.5 V
标称供电电压 (Vsup):5 V表面贴装:NO
技术:CMOS温度等级:INDUSTRIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:THROUGH-HOLE
端子节距:2.54 mm端子位置:DUAL
处于峰值回流温度下的最长时间:NOT SPECIFIED切换位:NO
最长写入周期时间 (tWC):0.2 msBase Number Matches:1

28C04AF-25I/J 数据手册

 浏览型号28C04AF-25I/J的Datasheet PDF文件第2页浏览型号28C04AF-25I/J的Datasheet PDF文件第3页浏览型号28C04AF-25I/J的Datasheet PDF文件第4页浏览型号28C04AF-25I/J的Datasheet PDF文件第5页浏览型号28C04AF-25I/J的Datasheet PDF文件第6页浏览型号28C04AF-25I/J的Datasheet PDF文件第7页 
28C04A  
4K (512 x 8) CMOS EEPROM  
FEATURES  
PACKAGE TYPES  
• Fast Read Access Time—150 ns  
• CMOS Technology for Low Power Dissipation  
- 30 mA Active  
DIP  
A7  
A6  
• 1  
2
24 Vcc  
23 A8  
22 NC  
21 WE  
20 OE  
19 NC  
18 CE  
17 I/O7  
16 I/O6  
15 I/O5  
14  
A5  
3
A4  
4
A3  
5
- 100 µA Standby  
A2  
6
• Fast Byte Write Time—200 µs or 1 ms  
• Data Retention >200 years  
A1  
7
A0  
8
I/O0  
I/O1  
I/O2  
9
4
• Endurance - Minimum 10 Erase/Write Cycles  
10  
11  
- Automatic Write Operation  
- Internal Control Timer  
I/O4  
VSS 12  
13 I/O3  
- Auto-Clear Before Write Operation  
- On-Chip Address and Data Latches  
• Data Polling  
PLCC  
• Chip Clear Operation  
A6  
5
6
7
8
9
29 A8  
A5  
A4  
A3  
A2  
A1 10  
A0 11  
28 NC  
27 NC  
26 NC  
25 OE  
24 NC  
23 CE  
22 I/O7  
21 I/O6  
• Enhanced Data Protection  
- VCC Detector  
- Pulse Filter  
- Write Inhibit  
NC 12  
I/O0 13  
• 5-Volt-Only Operation  
• Organized 512x8 JEDEC standard pinout  
- 24-pin Dual-In-Line Package  
- 32-pin PLCC Package  
Pin 1 indicator on PLCC on top of package  
• Available for Extended Temperature Ranges:  
- Commercial: 0˚C to +70˚C  
- Industrial: -40˚C to +85˚C  
BLOCK DIAGRAM  
I/O0  
I/O7  
DESCRIPTION  
VSS  
Data Protection  
The Microchip Technology Inc. 28C04A is a CMOS 4K  
non-volatile electrically Erasable and Programmable  
Read Only Memory (EEPROM). The 28C04A is  
accessed like a static RAM for the read or write cycles  
without the need of external components. During a  
“byte write”, the address and data are latched internally,  
freeing the microprocessor address and data bus for  
other operations. Following the initiation of write cycle,  
the device will go to a busy state and automatically  
clear and write the latched data using an internal con-  
trol timer. To determine when a write cycle is complete,  
the 28C04A uses Data polling. Data polling allows the  
user to read the location last written to when the write  
operation is complete. CMOS design and processing  
enables this part to be used in systems where reduced  
power consumption and reliability are required. A com-  
plete family of packages is offered to provide the utmost  
flexibility in applications.  
VCC  
Circuitry  
Chip Enable/  
Output Enable  
Control Logic  
CE  
OE  
Input/Output  
Buffers  
WE  
Auto Erase/Write  
Timing  
Data  
Poll  
Program Voltage  
Generation  
A0  
Y
Y Gating  
Decoder  
L
a
t
c
h
e
s
4K bit  
Cell Matrix  
X
Decoder  
A8  
1996 Microchip Technology Inc.  
DS11126F-page 1  
This document was created with FrameMaker 4 0 4  

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