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25C160T-I/P PDF预览

25C160T-I/P

更新时间: 2024-11-27 02:56:03
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
22页 322K
描述
16K SPI Bus Serial EEPROM

25C160T-I/P 数据手册

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Not recommended for new designs –  
Please use 25AA160A/B or 25LC160A/B.  
25AA160/25LC160/25C160  
16K SPIBus Serial EEPROM  
Device Selection Table  
Description:  
The Microchip Technology Inc. 25AA160/25LC160/  
25C160 (25XX160*) are 16 Kbit Serial Electrically  
Erasable PROMs. The memory is accessed via a  
simple Serial Peripheral Interface™ (SPI™) compati-  
ble serial bus. The bus signals required are a clock  
input (SCK) plus separate data in (SI) and data out  
(SO) lines. Access to the device is controlled through a  
Chip Select (CS) input.  
Part  
Number  
VCC  
Range  
Max Clock  
Frequency  
Temp  
Ranges  
25AA160  
25LC160  
25C160  
1.8-5.5V  
2.5-5.5V  
4.5-5.5V  
1 MHz  
2 MHz  
3 MHz  
I
I
I,E  
Features:  
Communication to the device can be paused via the  
hold pin (HOLD). While the device is paused, transi-  
tions on its inputs will be ignored, with the exception of  
chip select, allowing the host to service higher priority  
interrupts.  
• Low-power CMOS technology:  
- Write current: 3 mA maximum  
- Read current: 500 µA typical  
- Standby current: 500 nA typical  
• 2048 x 8-bit organization  
• 16 byte page  
Package Types  
• Write cycle time: 5 ms max.  
• Self-timed erase and write cycles  
• Block write protection:  
PDIP/SOIC  
CS  
SO  
1
2
3
4
8
7
6
5
VCC  
HOLD  
SCK  
SI  
- Protect none, 1/4, 1/2 or all of array  
• Built-in write protection:  
- Power on/off data protection circuitry  
- Write enable latch  
WP  
VSS  
- Write-protect pin  
• Sequential read  
Block Diagram  
• High reliability:  
Status  
Register  
HV Generator  
- Endurance: 1 M cycles  
- Data retention: > 200 years  
- ESD protection: > 4000V  
• 8-pin PDIP and SOIC packages  
Temperature ranges supported:  
EEPROM  
Array  
Memory  
Control  
Logic  
X
I/O Control  
Logic  
- Industrial (I):  
-40°C to +85°C  
Dec  
- Automotive (E) (25C160):  
-40°C to +125°C  
Page Latches  
Y Decoder  
SI  
SO  
CS  
SCK  
Sense Amp.  
R/W Control  
HOLD  
WP  
VCC  
VSS  
*25XX160 is used in this document as a generic part number  
for the 25AA160/25LC160/25C160 devices.  
SPI™ is a trademark of Motorola Inc.  
2004 Microchip Technology Inc.  
DS21231D-page 1  

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