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93LC66A-TI/MS PDF预览

93LC66A-TI/MS

更新时间: 2024-11-19 15:45:31
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美国微芯 - MICROCHIP /
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93LC66A-TI/MS 数据手册

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93AA46A/B/C, 93LC46A/B/C, 93C46A/B/C  
93AA56A/B/C, 93LC56A/B/C, 93C56A/B/C  
93AA66A/B/C, 93LC66A/B/C, 93C66A/B/C  
93AA76A/B/C, 93LC76A/B/C, 93C76A/B/C  
93AA86A/B/C, 93LC86A/B/C, 93C86A/B/C  
1K-16K Microwire Compatible Serial EEPROMs  
Features:  
Description:  
• Densities from 1 Kbits through 16 Kbits  
• Low-power CMOS technology  
Microchip Technology Inc. supports the 3-wire  
Microwire bus with low-voltage serial Electrically  
Erasable PROMs (EEPROM) that range in density  
from 1 Kbits up to 16 Kbits. Each density is available  
with and without the ORG functionality, and selected by  
the part number ordered. Advanced CMOS technology  
makes these devices ideal for low power, nonvolatile  
memory applications. The entire series of Microwire  
devices are available in the standard 8-lead PDIP and  
SOIC packages as well as the more advanced packag-  
ing such as the 8-lead MSOP, 8-lead TSSOP, 6-lead  
SOT-23, and 8-lead DFN (2x3). These packages are all  
available in a Pb-free (Matte Tin) finish. Packaging with  
the Sn/Pb finish is also available as a custom device.  
• Available with or without ORG function:  
With ORG function:  
- ORG pin at Logic LO: 8-bit word  
- ORG pin at Logic HI: 16-bit word  
Without ORG function:  
- ‘A’ version: 8-bit word  
- ‘B’ version: 16-bit word  
• Program Enable pin:  
- Write-protect for entire array  
(93XX76C and 93XX86C only)  
• Self-timed Erase/Write cycles  
(including auto-erase)  
Pin Diagrams (not to scale)  
PDIP/SOIC  
(P, SN)  
ROTATED SOIC  
(ex: 93LC46BX)  
• Automatic ERAL before WRAL  
• Power-on/off data protection circuitry  
• Industry standard 3-wire serial I/O  
• Device Status signal (Ready/Busy)  
• Sequential Read function  
(1,3)  
V
CC  
ORG  
1
2
3
4
CS  
CLK  
DI  
8
7
6
5
NC  
1
2
3
4
8
7
6
5
(2,3)  
VCC  
PE  
VSS  
(1,3)  
ORG  
CS  
DO  
DI  
• 1,000,000 E/W cycles  
DO  
CLK  
V
SS  
• Data retention > 200 years  
Temperature ranges supported:  
DFN (MC)  
- Industrial (I)  
-40°C to +85°C  
-40°C to +125°C  
CS  
V
CC  
(2,3)  
1
8
- Automotive (E)  
PE  
7
6
5
CLK  
DI  
2
3
4
(1,3)  
ORG  
VSS  
DO  
Pin Function Table  
TSSOP/MSOP  
(ST, MS)  
Name  
Function  
SOT-23  
(OT)  
CS  
CLK  
DI  
Chip Select  
8
7
6
5
1
2
3
4
CS  
V
CC  
1
2
3
6
5
4
V
CC  
DO  
Serial Data Clock  
Serial Data Input  
Serial Data Output  
Ground  
(2,3)  
CLK  
PE  
ORG  
VSS  
CS  
CLK  
(1,3)  
DI  
DI  
V
SS  
DO  
DO  
VSS  
PE  
Note 1: ORG pin: Only on 93XX46C/56C/66C/76C/86C.  
2: PE pin: Only on 93XX76C/86C.  
Program Enable  
Memory Configuration  
Power Supply  
ORG  
VCC  
3: ORG/PE: No internal connections on 93XXA/B.  
Note:  
ORG and PE functionality not available in  
all products. See Table 1-1, Device  
Selection Table.  
Note:  
Please visit www.microchip.com/Pbfree for the latest information on Pb-free conversion.  
© 2005 Microchip Technology Inc.  
DS21929A-page 1  

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