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24C32 参数 Datasheet PDF下载

24C32图片预览
型号: 24C32
PDF下载: 下载PDF文件 查看货源
内容描述: 32K 5.0V智能I2C串行EEPROM [32K 5.0V I2C Smart Serial EEPROM]
分类和应用: 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
文件页数/大小: 14 页 / 137 K
品牌: MICROCHIP [ MICROCHIP TECHNOLOGY ]
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Obsolete Device
Please use 24LC32A or 24LC65.
24C32
32K 5.0V I
2
C
Smart Serial
EEPROM
FEATURES
• Voltage operating range: 4.5V to 5.5V
- Peak write current 3 mA at 5.5V
- Maximum read current 150
µA
at 5.5V
- Standby current 1
µA
typical
• Industry standard two-wire bus protocol, I
2
C
compatible
- Including 100 kHz and 400 kHz modes
• Self-timed write cycle (including auto-erase)
• Power on/off data protection circuitry
• Endurance:
- 10,000,000 Erase/Write cycles
guaranteed for High Endurance Block
- 1,000,000 E/W cycles guaranteed for
Standard Endurance Block
• 8 byte page, or byte modes available
• 1 page x 8 line input cache (64 bytes) for fast write
loads
• Schmitt trigger, filtered inputs for noise suppres-
sion
• Output slope control to eliminate ground bounce
• 2 ms typical write cycle time, byte or page
• Up to 8 chips may be connected to the same bus
for up to 256K bits total memory
• Electrostatic discharge protection > 4000V
• Data retention > 200 years
• 8-pin PDIP/SOIC packages
• Temperature ranges
- Commercial (C):
0°C to +70°C
- Industrial (I):
-40°C to +85°C
PACKAGE TYPES
PDIP
A0
A1
A2
V
SS
1
2
3
4
24C32
8
7
6
5
V
CC
NC
SCL
SDA
SOIC
1
2
3
4
24C32
A0
A1
A2
V
SS
8
7
6
5
V
CC
NC
SCL
SDA
BLOCK DIAGRAM
A0 A1 A2
HV GENERATOR
DESCRIPTION
The Microchip Technology Inc. 24C32 is a 4K x 8 (32K
bit) Serial Electrically Erasable PROM. This device has
been developed for advanced, low power applications
such as personal communications or data acquisition.
The 24C32 features an input cache for fast write loads
with a capacity of eight 8-byte pages, or 64 bytes. It
also features a fixed 4K-bit block of ultra-high endur-
ance memory for data that changes frequently. The
24C32 is capable of both random and sequential reads
up to the 32K boundary. Functional address lines allow
up to eight 24C32 devices on the same bus, for up to
256K bits address space. Advanced CMOS technol-
ogy makes this device ideal for low-power non-volatile
code and data applications. The 24C32 is available in
the standard 8-pin plastic DIP and 8-pin surface mount
SOIC package
I
2
C is a trademark of Philips Corporation.
Smart Serial is a trademark of Microchip Technology Inc.
I/O
CONTROL
LOGIC
MEMORY
CONTROL
LOGIC
XDEC
EEPROM
ARRAY
PAGE LATCHES
I/O
SCL
CACHE
SDA
V
CC
V
SS
YDEC
SENSE AMP
R/W CONTROL
2004 Microchip Technology Inc.
DS21061H-page 1