24C164 데이터 시트보기 (PDF) - Atmel Corporation
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24C164 Datasheet PDF : 11 Pages
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Features
• Low Voltage and Standard Voltage Operation
– 5.0 (VCC = 4.5V to 5.5V)
– 2.7 (VCC = 2.7V to 5.5V)
– 2.5 (VCC = 2.5V to 5.5V)
– 1.8 (VCC = 1.8V to 5.5V)
• Internally Organized 2048 x 8 (16K)
• 2-Wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 100 KHz (1.8V, 2.5V, 2.7V) and 400 KHz (5V) Compatibility
• Write Protect Pin for Hardware Data Protection
• Cascadable Feature Allows for Extended Densities
• 16-Byte Page Write Mode
• Partial Page Writes Are Allowed
• Self-Timed Write Cycle (10 ms max)
• High Reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
– ESD Protection: >3,000V
• Automotive Grade and Extended Temperature Devices Available
• 8-Pin JEDEC SOIC and 8-Pin PDIP Packages
Description
The AT24C164 provides 16,384 bits of serial electrically erasable and programmable
read only memory (EEPROM) organized as 2048 words of 8 bits each. The device’s
cascadable feature allows up to eight devices to share a common 2-wire bus. The
device is optimized for use in many industrial and commercial applications where low
power and low voltage operation are essential. The AT24C164 is available in space
saving 8-pin PDIP and 8-pin SOIC packages and is accessed via a 2-wire serial inter-
face. In addition, this device is available in 5.0V (4.5V to 5.5V), 2.7V (2.7V to 5.5V),
2.5V (2.5V to 5.5V) and 1.8V (1.8V to 5.5V) versions.
2-Wire Serial
EEPROM
16K (2048 x 8)
AT24C164
Pin Configurations
Pin Name
A0 to A2
SDA
SCL
WP
Function
Address Inputs
Serial Data
Serial Clock Input
Write Protect
8-Pin PDIP
A0 1
A1 2
A2 3
GND 4
8 VCC
7 WP
6 SCL
5 SDA
2-Wire, 16K
Serial EEPROM
8-Pin SOIC
A0 1
A1 2
A2 3
GND 4
8 VCC
7 WP
6 SCL
5 SDA
Rev. 0105D–07/98
1
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