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AT24C16BN-SH-B

Part # AT24C16BN-SH-B
Description IC EEPROM 16KBIT 1MHZ 8SOIC
Category IC
Availability In Stock
Qty 1
Qty Price
1 + $0.50965
Manufacturer Available Qty
Atmel
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Technical Document


DISCLAIMER: The information provided herein is solely for informational purposes. Customers must be aware of the suitability of this product for their application, and consider that variable factors such as Manufacturer, Product Category, Date Codes, Pictures and Descriptions may differ from available inventory.

VCC
WP
SCL
SDA
NC
NC
NC
GND
1
2
3
4
8
7
6
5
1
2
3
4
8
7
6
5
NC
NC
NC
GND
VCC
WP
SCL
SDA
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
NC
NC
NC
GND
1
2
3
4
8
7
6
5
NC
NC
NC
GND
VCC
WP
SCL
SDA
1
2
3
5
4
SCL
GND
SDA
WP
VCC
1
2
3
4
8
7
6
5
NC
NC
NC
GND
VCC
WP
SCL
SDA
8-lead SOIC
8-ball dBGA2
8-lead Ultra Thin
Mini-MAP (MLP 2x3)
8-lead PDIP5-lead SOT23
Bottom View Bottom View
8-lead TSSOP
1. Features
• Low-voltage and Standard-voltage Operation
– 1.8 (V
CC
= 1.8V to 5.5V)
• Internally Organized 2048 x 8 (16K)
• Two-wire Serial Interface
• Schmitt Trigger, Filtered Inputs for Noise Suppression
• Bidirectional Data Transfer Protocol
• 1 MHz (5V, 2.5V), 400 kHz (1.8V) Compatibility
• Write Protect Pin for Hardware Data Protection
• 16-byte Page (16K) Write Modes
• Partial Page Writes Allowed
• Self-timed Write Cycle (5 ms max)
• High-reliability
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
• 8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra-Thin Mini-MAP (MLP 2x3), 5-lead SOT23,
8-lead Ultra Lead Frame Land Grid Array (ULA), 8-lead TSSOP and 8-ball dBGA2
Packages
• Lead-free/Halogen-free
• Die Sales: Wafer Form, Tape and Reel, and Bumped Wafers
2. Description
The AT24C16B provides 16384 bits of serial electrically erasable and programmable
read-only memory (EEPROM) organized as 2048 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. The AT24C16B is available in spa ce-saving
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3)
, 5-lead
SOT23, 8-lead Ultra Lead Frame Land Grid Array (ULA), 8-lead TSSOP, and 8-ball
dBGA2 packages and is accessed via a Two-wire serial interface. In addition, the
AT24C16B is a vailable in 1.8V (1.8V to 5.5V) version.
Table 2-1. Pin Configuration
Pin Name Function
NC No Connect
SDA Serial Data
SCL Serial Clock Input
WP Write Protect
GND Ground
VCC Power Supply
Two-wire
Serial EEPROM
16K (2048 x 8)
AT24C16B
5175D–SEEPR–6/08
1
2
3
4
8
7
6
5
VCC
WP
SCL
SDA
NC
NC
NC
GND
8-lead Ultra Lead Frame
Land Grid Array (ULA)
Bottom View
2
5175D–SEEPR–6/08
AT24C16B
Figure 2-1. Block Diagram
Absolute Maximum Ratings
Operating Temperature..................................–55°C to +125°C
*NOTICE: Stresses beyond those listed under “Absolute
Maximum Ratings” may cause permanent dam-
age 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 is not
implied. Exposure to absolute maximum rating
conditions for extended periods may affect device
reliability.
Storage Temperature .....................................–65°C to +150°C
Voltage on Any Pin
with Respect to Ground ....................................–1.0V to +7.0V
Maximum Operating Voltage .......................................... 6.25V
DC Output Current........................................................ 5.0 mA
START
STOP
LOGIC
VCC
GND
WP
SCL
SDA
SERIAL
CONTROL
LOGIC
EN
H.V. PUMP/TIMING
EEPROM
DATA RECOVERY
SERIAL MUX
X DEC
D
OUT
/ACK
LOGIC
COMP
LOAD
INC
DATA WORD
ADDR/COUNTER
Y DEC
R/W
D
OUT
D
IN
LOAD
DEVICE
ADDRESS
COMPARATOR
3
5175D–SEEPR–6/08
AT24C16B
3. 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-dra in or open-collector
devices.
DEVICE/PAGE ADDRESSES: The AT24C16B does not use the device address pins, which lim-
its the number of devices on a single bus to one.
WRITE PROTECT (WP): The AT24C16B 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 V
CC
, the write protection feature is enabled
and operates as shown in Table 3-1.
Table 3-1. Write Protect
4. Memory Organization
AT24C16B, 16K SERIAL EEPROM: Internally organized with 128 pages of 16 bytes each, the
16K requires an 11-bit data word address for random word addressing.
WP Pin
Status
Part of the Array Protected
24C16B
At V
CC
Full (16K) Array
At GND Normal Read/Write Operations
1234567NEXT
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