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AT24C16C の電気的特性と機能

AT24C16CのメーカーはATMEL Corporationです、この部品の機能は「EEPROM」です。


製品の詳細 ( Datasheet PDF )

部品番号 AT24C16C
部品説明 EEPROM
メーカ ATMEL Corporation
ロゴ ATMEL Corporation ロゴ 




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AT24C16C Datasheet, AT24C16C PDF,ピン配置, 機能
AT24C16C
I2C-Compatible, (2-Wire) Serial EEPROM
16-Kbit (2048 x 8)
DATASHEET
Standard Features
Low-voltage and Standard-voltage Operation
̶ VCC = 1.7V to 5.5V
Internally Organized as 2,048 x 8 (16K)
I2C-compatible (2-wire) Serial Interface
Schmitt Trigger, Filtered Inputs for Noise Suppression
Bidirectional Data Transfer Protocol
1MHz (2.5V, 2.7V, 5V), 400kHz (1.7V) Compatibility
Write Protect Pin for Hardware Data Protection
16-byte Page Write Mode
̶ Partial Page Writes Allowed
Self-timed Write Cycle (5ms Max)
High-reliability
̶ Endurance: 1,000,000 Write Cycles
̶ Data Retention: 100 Years
Green Package Options (Pb/Halide-free/RoHS Compliant)
̶ 8-lead PDIP, 8-lead SOIC, 8-lead TSSOP, 8-pad UDFN, 8-pad XDFN,
5-lead SOT23, and 8-ball VFBGA
Die Options: Wafer Form and Tape and Reel
Description
The Atmel® AT24C16C provides 16,384 bits of Serial Electrically Erasable and
Programmable Read-Only Memory (EEPROM) organized as 2,048 words of 8 bits
each. The device is optimized for use in many industrial and commercial
applications where low-power and low-voltage operation are essential.
AT24C16C is available in space-saving 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead
TSSOP, 8-pad UDFN, 8-pad XDFN, 5-lead SOT23, and 8-ball VFBGA packages
and is accessed via a 2-wire serial interface.
Atmel-8719D-SEEPROM-AT24C16C-Datasheet_122016

1 Page





AT24C16C pdf, ピン配列
3. Block Diagram
VCC
GND
WP
SCL
SDA
Start
Stop
Logic
Serial
Control
Logic
Enable
Device
Address
Comparator
COMP
Load
INC
Data Word
A2
Read/Write
ADDR/Counter
A1
High Voltage
Pump & Timing
Data Latches
EEPROM
Array
DOUT
Column
Decoder
Serial MUX
DOUT / ACK
Logic
DIN
4. Pin Description
Serial Clock (SCL): The SCL input is used to positive edge clock data into each EEPROM device and negative
edge clock data out of each device.
Serial Data (SDA): The SDA pin is bidirectional for serial data transfer. This pin is open-drain driven and may
be wire-ORed with any number of other open-drain or open-collector devices.
Device/Page Addresses: The AT24C16C does not use the device address pins, which limits the number of
devices on a single bus to one (see Section 7. “Device Addressing” on page 9).
Write Protect (WP): AT24C16C has a Write Protect pin that provides hardware data protection. The Write
Protect pin allows normal Read/Write operations when connected to Ground (GND). When the Write Protect pin
is connected to VCC, the Write Protection feature is enabled and operates as shown in Table 4-1.
Table 4-1. Write Protect
WP Pin Status
At VCC
At GND
Part of the Array Protected
Full Array
Normal Read/Write Operations
AT24C16C [DATASHEET]
Atmel-8719D-SEEPROM-AT24C16C-Datasheet_122016
3


3Pages


AT24C16C 電子部品, 半導体
6. Device Operation
Clock and Data Transitions: The SDA pin is normally pulled high with an external device. Data on the SDA pin
may change only during SCL low time periods. Data changes during SCL high periods will indicate a Start or
Stop Condition as defined below.
Figure 6-1. Data Validity
SDA
SCL
Data Stable
Data Stable
Data
Change
Start Condition: A high-to-low transition of SDA with SCL high is a Start Condition which must precede any
other command.
Stop Condition: A low-to-high transition of SDA with SCL high is a Stop Condition. After a read sequence, the
Stop Condition command will place the EEPROM in a standby power mode.
Figure 6-2. Start Condition and Stop Condition Definition
SDA
SCL
Start
Condition
Stop
Condition
6 AT24C16C [DATASHEET]
Atmel-8719D-SEEPROM-AT24C16C-Datasheet_122016

6 Page



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データシートを活用すると、その部品の主な機能と仕様を詳しく理解できます。 ピン構成、電気的特性、動作パラメータ、性能を確認してください。


共有リンク

Link :


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