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93AA46-P

更新时间: 2024-11-15 22:25:27
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
12页 98K
描述
1K/2K/4K 1.8V Microwire Serial EEPROM

93AA46-P 数据手册

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93AA46/56/66  
1K/2K/4K 1.8V Microwire Serial EEPROM  
FEATURES  
PACKAGE TYPES  
DIP  
• Single supply with programming operation down  
to 1.8V  
CS  
CLK  
DI  
1
2
3
4
8
7
6
5
VCC  
NU  
• Low power CMOS technology  
- 70 µA typical active READ current at 1.8V  
- 2 µA typical standby current at 1.8V  
• ORG pin selectable memory configuration  
- 128 x 8- or 64 x 16-bit organization (93AA46)  
ORG  
VSS  
DO  
- 256 x 8- or 128 x 16-bit organization  
(93AA56)  
SOIC  
- 512 x 8 or 256 x 16 bit organization (93AA66)  
1
2
3
4
8
7
6
5
VCC  
NU  
CS  
• Self-timed ERASE and WRITE cycles  
(including auto-erase)  
CLK  
• Automatic ERAL before WRAL  
• Power on/off data protection circuitry  
• Industry standard 3-wire serial I/O  
• Device status signal during ERASE/WRITE cycles  
• Sequential READ function  
ORG  
VSS  
DI  
DO  
SOIC  
• 10,000,000 ERASE/WRITE cycles guaranteed on  
93AA56 and 93AA66  
1
2
3
4
8
7
6
5
ORG  
Vss  
DO  
DI  
NU  
Vcc  
CS  
• 1,000,000 E/W cycles guaranteed on 93AA46  
• Data retention > 200 years  
• 8-pin PDIP/SOIC  
(SOIC in JEDEC and EIAJ standards)  
Temperature ranges supported  
CLK  
- Commercial (C):  
0°C to +70°C  
DESCRIPTION  
BLOCK DIAGRAM  
The Microchip Technology Inc. 93AA46/56/66 are 1K,  
2K and 4K low voltage serial Electrically Erasable  
PROMs. The device memory is configured as x8 or x16  
bits depending on the ORG pin setup. Advanced  
CMOS technology makes these devices ideal for low  
power non-volatile memory applications. The 93AA  
Series is available in standard 8-pin DIP and surface  
mount SOIC packages. The rotated pin-out 93AA46X/  
56X/66X are offered in the “SN” package only.  
VCC  
VSS  
ADDRESS  
DECODER  
MEMORY  
ARRAY  
ADDRESS  
COUNTER  
OUTPUT  
BUFFER  
DATA REGISTER  
DO  
DI  
MODE  
DECODE  
LOGIC  
ORG  
CS  
CLOCK  
GENERATOR  
CLK  
Microwire is a registered trademark of National Semiconductor Incorporated.  
1996 Microchip Technology Inc.  
DS20067G-page 1  
This document was created with FrameMaker 4 0 4  

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