at24c16b ATMEL Corporation, at24c16b Datasheet

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at24c16b

Manufacturer Part Number
at24c16b
Description
Two-wire Serial Eeprom 16k 2048 X 8
Manufacturer
ATMEL Corporation
Datasheet

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1. Features
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 space-saving
8-lead PDIP, 8-lead JEDEC SOIC, 8-lead Ultra Thin Mini-MAP (MLP 2x3)
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 available in 1.8V (1.8V to 5.5V) version.
Table 2-1.
Pin Name
A0 - A2
SDA
SCL
WP
GND
VCC
Low-voltage and Standard-voltage Operation
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
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
8-lead Ultra Lead Frame
– 1.8 (V
– Endurance: 1 Million Write Cycles
– Data Retention: 100 Years
Land Grid Array (ULA)
VCC
SDA
SCL
WP
Bottom View
CC
8
7
6
5
No Connect
Serial Data
Serial Clock Input
Write Protect
Ground
Power Supply
Function
= 1.8V to 5.5V)
Pin Configuration
1
2
3
4
A0
A1
A2
GND
GND
SDA
SCL
Mini-MAP (MLP 2x3)
GND
VCC
SDA
8-lead Ultra Thin
SCL
A0
A1
A2
WP
8-lead TSSOP
5-lead SOT23
Bottom View
1
2
3
8
7
6
5
1
2
3
4
1
2
3
4
8
7
6
5
5
4
A0
A1
A2
GND
VCC
WP
SCL
SDA
WP
VCC
GND
GND
A0
A1
A2
VCC
SDA
SCL
A0
A1
A2
WP
8-ball dBGA2
Bottom View
8-lead SOIC
8-lead PDIP
1
2
3
4
8
7
6
5
1
2
3
4
1
2
3
4
8
7
6
5
8
7
6
5
A0
A1
A2
GND
,
VCC
WP
SCL
SDA
5-lead
VCC
WP
SCL
SDA
Two-wire
Serial EEPROM
16K (2048 x 8)
AT24C16B
5175C–SEEPR–11/07

Related parts for at24c16b

at24c16b Summary of contents

Page 1

... 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 ...

Page 2

... 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 Figure 2-1. Block Diagram VCC GND WP SCL SDA AT24C16B 2 *NOTICE: START STOP LOGIC SERIAL CONTROL LOGIC LOAD COMP DEVICE ADDRESS LOAD INC COMPARATOR R/W DATA WORD ...

Page 3

... Table 3-1. WP Pin Status GND 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. 5175C–SEEPR–11/07 Table 3-1. Write Protect Part of the Array Protected ...

Page 4

... IH V Output Low Level OL1 V Output Low Level OL2 Notes min and V max are reference only and are not tested AT24C16B 4 = 25° 1.0 MHz −40°C to +85° Test Condition V = 5.0V READ at 400 kHz 5.0V WRITE at 400 kHz ...

Page 5

Table 4-3. AC Characteristics (Industrial Temperature) Applicable over recommended operating range from T erwise noted). Test conditions are listed in Note 2. Symbol Parameter f Clock Frequency, SCL SCL t Clock Pulse Width Low LOW t Clock Pulse Width High ...

Page 6

... EEPROM in 8-bit words. The EEPROM sends a zero to acknowledge that it has received each word. This happens during the ninth clock cycle. STANDBY MODE: The AT24C16B features a low-power standby mode which is enabled: (a) upon power-up and (b) after the receipt of the STOP bit and the completion of any internal operations ...

Page 7

Bus Timing Figure 6-1. SCL: Serial Clock, SDA: Serial Data I/O SCL t SU.STA SDA IN SDA OUT 7. Write Cycle Timing Figure 7-1. SCL: Serial Clock, SDA: Serial Data I/O SCL SDA 8th BIT WORDn Note: 1. The ...

Page 8

... Figure 7-2. Data Validity SDA SCL Figure 7-3. Start and Stop Definition SDA SCL Figure 7-4. Output Acknowledge SCL DATA IN DATA OUT AT24C16B 8 DATA STABLE DATA STABLE DATA CHANGE START 1 START STOP 8 9 ACKNOWLEDGE 5175C–SEEPR–11/07 ...

Page 9

... The device address word consists of a mandatory one, zero sequence for the first four most sig- nificant bits as shown. This is common to all the EEPROM devices. The next 3 bits used for memory page addressing and are the most significant bits of the data word address which follows. ...

Page 10

... The sequential read operation is terminated when the microcontroller does not respond with a zero but does generate a following stop condition (see Figure 10-1. Device Address AT24C16B 10 Figure 10-5 on page 12). ...

Page 11

Figure 10-2. Byte Write Figure 10-3. Page Write Figure 10-4. Current Address Read 5175C–SEEPR–11/07 11 ...

Page 12

... Figure 10-5. Random Read Figure 10-6. Sequential Read AT24C16B 12 5175C–SEEPR–11/07 ...

Page 13

... AT24C16B Ordering Information Ordering Codes AT24C16B-PU (Bulk Form Only) AT24C16BN-SH-B (1) (NiPdAu Lead Finish) (2) AT24C16BN-SH-T (NiPdAu Lead Finish) (1) AT24C16B-TH-B (NiPdAu Lead Finish) AT24C16B-TH-T (2) (NiPdAu Lead Finish) (2) AT24C16BY6-YH-T (NiPdAu Lead Finish) (2) AT24C16BD3-DH-T (NiPdAu Lead Finish) AT24C16BTSU-T (2) AT24C16BU3-UU-T (2) AT24C16B-W-11 (3) Notes: 1. “-B” denotes bulk. ...

Page 14

... Part Marking 11.1 8-PDIP TOP MARK |---|---|---|---|---|---|---|---| A |---|---|---|---|---|---|---|---| 1 |---|---|---|---|---|---|---|---| * |---|---|---|---|---|---|---|---| | Pin 1 Indicator (Dot SEAL YEAR 6: 2006 7: 2007 8: 2008 9: 2009 Lot Number to Use ALL Characters in Marking BOTTOM MARK AT24C16B 14 Seal Year | Seal Week | | | Lot Number WW = SEAL WEEK 0: 2010 02 = Week 2 1: 2011 ...

Page 15

TOP MARK |---|---|---|---|---|---|---|---| A |---|---|---|---|---|---|---|---| 1 |---|---|---|---|---|---|---|---| * |---|---|---|---|---|---|---|---| | Pin 1 Indicator (Dot SEAL YEAR 6: 2006 7: 2007 8: 2008 9: 2009 Lot Number to Use ALL Characters in Marking BOTTOM MARK 5175C–SEEPR–11/07 Seal ...

Page 16

... TOP MARK BOTTOM MARK |---|---|---|---|---|---|---| |---|---|---|---|---|---|---| |---|---|---|---|---|---|---| Y = SEAL YEAR 6: 2006 7: 2007 8: 2008 9: 2009 AT24C16B 16 Pin 1 Indicator (Dot) | |---|---|---|---| * |---|---|---|---|---| |---|---|---|---|---| <- Pin 1 Indicator WW = SEAL WEEK 0: 2010 02 = Week 2 1: 2011 04 = Week 4 2: 2012 :: : :::: : 3: 2013 :: : :::: :: 50 = Week Week 52 5175C–SEEPR–11/07 ...

Page 17

Thin Mini-Map TOP MARK Pin 1 Indicator (Dot YEAR OF ASSEMBLY XX = ATMEL LOT NUMBER TO COORESPOND WITH NSEB TRACE CODE LOG BOOK. (e. AA, AB, AC,...AX, AY, AZ SEAL YEAR ...

Page 18

... WITH ATK TRACE CODE LOG BOOK) 11.7 SOT23 TOP MARK |---|---|---|---|---| Line 1 -----------> |---|---|---|---|---| * | XXX = Device V = Voltage Indicator U = Material Set Pin 1 Indicator (Dot) BOTTOM MARK |---|---|---|---| |---|---|---|---| Y = One Digit Year Code M = Seal Month (Use Alpha Designator A- Trace Code AT24C16B 18 16BU PYMTC 5175C–SEEPR–11/07 ...

Page 19

Packaging Information 12.1 8P3 – PDIP Top View PLCS Side View Notes: 1. This drawing is for general information only; refer to JEDEC Drawing MS-001, Variation BA, for additional information. 2. Dimensions A and L ...

Page 20

... JEDEC SOIC Top View e Side View Note: These drawings are for general information only. Refer to JEDEC Drawing MS-012, Variation AA for proper dimensions, tolerances, datums, etc. 1150 E. Cheyenne Mtn. Blvd. Colorado Springs, CO 80906 R AT24C16B TITLE 8S1, 8-lead (0.150" Wide Body), Plastic Gull Wing ...

Page 21

TSSOP Pin 1 indicator this corner N Top View Side View Notes: 1. This drawing is for general information only. Refer to JEDEC Drawing MO-153, Variation AA, for proper dimensions, tolerances, ...

Page 22

... Soldering the large thermal pad is optional, but not recommended. No electrical connection is accomplished to the device through this pad soldered it should be tied to ground 2325 Orchard Parkway San Jose, CA 95131 R AT24C16B 22 A Pin 1 Pin 1 Index ...

Page 23

SOT23 E1 1 Seating Plane NOTES: 1. This drawing is for general information only. Refer to JEDEC Drawing MO-193, Variation AB, for additional information. 2. Dimension D does not include mold flash, protrusions, or gate burrs. Mold ...

Page 24

... Bottom View 8 SOLDER BALLS 1. Dimension “b” is measured at the maximum solder ball diameter. This drawing is for general information only. 1150 E. Cheyenne Mtn. Blvd. Colorado Springs, CO 80906 R AT24C16B TITLE 8U3-1, 8-ball, 1.50 x 2.00 mm Body, 0.50 mm pitch, Small Die Ball Grid Array Package (dBGA2) 1 ...

Page 25

ULA PIN # TOP VIEW 1150 E. Cheyenne Mtn. Blvd. Colorado Springs, CO 80906 R 5175C–SEEPR–11/ SIDE VIEW SYMBOL ...

Page 26

... Revision History Lit No. 5175C 5175B 5175A AT24C16B 26 Date Comment AT24C16B product with date code 742 or later supports 5Vcc operation 11/2007 Added ULA package information Removed reference to Waffle Pack 4/2007 Corrected Note 3 on Page 13 Added lines to Ordering Code table 3/2007 Initial document release ...

Page 27

... Atmel products are not suitable for, and shall not be used in, automotive applications. Atmel’s products are not intended, authorized, or warranted for use as components in applications intended to support or sustain life. ©2007 Atmel Corporation. All rights reserved. Atmel Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia ...

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