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28C04A-25/L PDF预览

28C04A-25/L

更新时间: 2024-11-20 03:55:55
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
页数 文件大小 规格书
10页 127K
描述
4K (512 x 8) CMOS EEPROM

28C04A-25/L 技术参数

是否Rohs认证: 不符合生命周期:Obsolete
零件包装代码:QFJ包装说明:QCCJ, LDCC32,.5X.6
针数:32Reach Compliance Code:not_compliant
ECCN代码:EAR99HTS代码:8542.32.00.51
风险等级:5.91最长访问时间:250 ns
其他特性:10K WRITE/ERASE ENDURANCE MIN; DATA RETENTION >200 YEARS命令用户界面:NO
数据轮询:YES数据保留时间-最小值:200
耐久性:10000 Write/Erase CyclesJESD-30 代码:R-PQCC-J32
JESD-609代码:e0长度:13.97 mm
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:32字数:512 words
字数代码:512工作模式:ASYNCHRONOUS
最高工作温度:70 °C最低工作温度:
组织:512X8输出特性:3-STATE
封装主体材料:PLASTIC/EPOXY封装代码:QCCJ
封装等效代码:LDCC32,.5X.6封装形状:RECTANGULAR
封装形式:CHIP CARRIER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
座面最大高度:3.56 mm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:YES
技术:CMOS温度等级:COMMERCIAL
端子面层:Tin/Lead (Sn/Pb)端子形式:J BEND
端子节距:1.27 mm端子位置:QUAD
处于峰值回流温度下的最长时间:NOT SPECIFIED切换位:NO
宽度:11.43 mm最长写入周期时间 (tWC):1 ms
Base Number Matches:1

28C04A-25/L 数据手册

 浏览型号28C04A-25/L的Datasheet PDF文件第2页浏览型号28C04A-25/L的Datasheet PDF文件第3页浏览型号28C04A-25/L的Datasheet PDF文件第4页浏览型号28C04A-25/L的Datasheet PDF文件第5页浏览型号28C04A-25/L的Datasheet PDF文件第6页浏览型号28C04A-25/L的Datasheet PDF文件第7页 
Obsolete Device  
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  
A5  
3
22 NC  
21 WE  
20 OE  
19 NC  
18 CE  
17 I/O7  
16 I/O6  
15 I/O5  
14 I/O4  
13 I/O3  
A4  
4
A3  
5
- 100 µA Standby  
A2  
6
• Fast Byte Write Time—200 µs or 1 ms  
• Data Retention >200 years  
• Endurance - Minimum 104 Erase/Write Cycles  
- Automatic Write Operation  
- Internal Control Timer  
A1  
7
A0  
8
I/O0  
I/O1  
I/O2  
9
10  
11  
VSS 12  
- 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 inter-  
nally, 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 automati-  
cally clear and write the latched data using an internal  
control timer. To determine when a write cycle is com-  
plete, 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 pro-  
cessing enables this part to be used in systems where  
reduced power consumption and reliability are  
required. A complete 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  
2004 Microchip Technology Inc.  
DS11126H-page 1  

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