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PDF ( 数据手册 , 数据表 ) ACE24C256

零件编号 ACE24C256
描述 Two-wire Serial EEPROM
制造商 ACE Technology
LOGO ACE Technology LOGO 


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ACE24C256 数据手册, 描述, 功能
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ACE24C128/256                                                                                                                                                   
                                              Technology
Two-wire Serial EEPROM
Description
The ACE24C128/256 provides 131,072/262,144 bits of serial electrically erasable and programmable read-only
memory (EEPROM) organized as 16,384/32,768 words of 8 bits each. The device’s cascadable feature allows up
to 8 devices to share a common two-wire bus. The device is optimized for use in many industrial and
commercial applications where low-power and low-voltage operations are essential.
Features
z Low Operation Voltage: Vcc = 1.7V to 5.5V
z Internally Organized: 16,384 x 8(128K), 32,768 x 8(256K)
z Two-wire Serial Interface
z Schmitt Trigger, Filtered Inputs for Noise Suppression
z Bi-directional Data Transfer Protocol
z 1MHz (2.5V~5.5V) and 400 kHz (1.7V) Compatibility
z Write Protect Pin for Hardware Data Protection
z 64-byte Page Write Modes (Partial Page Writes are Allowed)
z Self-timed Write Cycle (5 ms max)
z High-reliability - Endurance: 1,000,000 Write Cycles
- Data Retention: 100 Years
z PDIP-8,SOP-8,TSSOP-8 ROHS compliant Packages
z Wafer Sales: available in inked wafer Form
Absolute Maximum Ratings
Operating Temperature
Storage Temperature
-55to +125
-65to +150
Voltage on Any Pin with Respect to Ground -1.0V to +7.0V
Maximum Operating Voltage
6.25V
DC Output Current
5.0 mA
*Notice: Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. This is a
stress rating only and functional operation of the device at these or any other conditions beyond those indicated in the operational
sections of this specification are not implied. Exposure to absolute maximum rating conditions for extended periods may affect
device reliability.
VER 1.2 1 







ACE24C256 pdf, 数据表
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ACE24C128/256                                                                                                                                                   
                                              Technology
Two-wire Serial EEPROM
Write Cycle Timing
Figure 3SCL: Serial Clock, SDA: Serial Data I/O
Note: The write cycle time tWR is the time from a valid stop condition of a write sequence to the end of the internal clear/write
cycle.
Figure 4Data Validity
Figure 5Start and Stop Definition
Figure 6Output Acknowledge
VER 1.2 8







ACE24C256 equivalent, schematic
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ACE24C128/256                                                                                                                                                   
                                              Technology
Two-wire Serial EEPROM
Notes
ACE does not assume any responsibility for use as critical components in life support devices or systems
without the express written approval of the president and general counsel of ACE Electronics Co., LTD.
As sued herein:
1. Life support devices or systems are devices or systems which, (a) are intended for surgical implant
into the body, or (b) support or sustain life, and shoes failure to perform when properly used in
accordance with instructions for use provided in the labeling, can be reasonably expected to result in
a significant injury to the user.
2. A critical component is any component of a life support device or system whose failure to perform can
be reasonably expected to cause the failure of the life support device or system, or to affect its safety
or effectiveness.
ACE Technology Co., LTD.
http://www.ace-ele.com/
VER 1.2 16










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