at24hc02b ATMEL Corporation, at24hc02b Datasheet

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... Die Sales: Wafer Form, Tape and Reel, and Bumped Wafers 2. Description The AT24HC02B provides 2048 bits of serial electrically erasable and programmable read-only memory (EEPROM) organized as 256 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 ...

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... Absolute Maximum Ratings* Operating Temperature........................................−40°C to +85°C 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. AT24HC02B 2 *NOTICE: Block Diagram VCC GND WP START SCL STOP SDA LOGIC LOAD ...

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... DEVICE/PAGE ADDRESSES (A2, A1, A0): The A2, A1 and A0 pins are device address inputs that must be hardwired for the AT24HC02B. As many as eight 2K devices may be addressed on a single bus system. (Device addressing is discussed in detail under Device Addressing, 8). ...

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... Memory Organization AT24HC02B, 2K SERIAL EEPROM: The 2K is internally organized with 32 pages of 8 bytes each. Random word addressing requires an 8-bit data word address. (1) Table 4-1. Pin Capacitance Applicable over recommended operating range from T Symbol Test Condition C Input/Output Capacitance (SDA) I/O C Input Capacitance (A IN Note: 1 ...

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Table 4-3. AC Characteristics Applicable over recommended operating range from T 100 pF (unless otherwise noted) Symbol Parameter f Clock Frequency, SCL SCL t Clock Pulse Width Low LOW t Clock Pulse Width High HIGH t Noise Suppression Time I ...

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... ACKNOWLEDGE: All addresses and data words are serially transmitted to and from the EEPROM in 8-bit words. word. This happens during the ninth clock cycle. STANDBY MODE: The AT24HC02B features a low-power standby mode that is enabled: (a) upon power-up and (b) after the receipt of the Stop bit and the completion of any internal operations. ...

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SOFTWARE RESET: After an interruption in protocol, power loss or system reset, any two-wire part can be reset by following these steps: (a) Clock cycles, (b) Look for SDA high in each cycle while SCL is ...

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... The eighth bit of the device address is the read/write operation select bit. A read operation is ini- tiated if this bit is high, and a write operation is initiated if this bit is low. Upon a compare of the device address, the EEPROM will output a “0” compare is not made, the chip will return to a standby state. AT24HC02B 8 1 START ...

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... The data word address lower three (2K) bits are internally incremented following the receipt of each data word. The higher data word address bits are not incremented, retaining the memory page row location. When the word address, internally generated, reaches the page boundary, the following byte is placed at the beginning of the same page. If more than eight (2K) data words are transmitted to the EEPROM, the data word address will “ ...

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... The EEPROM acknowledges the device address and serially clocks out the data word. The microcontroller does not respond with a “0” but does generate a following stop condition, see Figure 8-2. SDA LINE AT24HC02B 10 Current Address Read ...

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... As long as the EEPROM receives an acknowledge, it will continue to increment the data word address and serially clock out sequential data words. When the memory address limit is reached, the data word address will “roll over” and the sequential read will continue. The sequential read operation is terminated when the microcontroller does not respond with a “ ...

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... AT24HC02B Ordering Information Ordering Code AT24HC02B-PU (Bulk form only) (1) AT24HC02BN-SH-B (NiPdAu Lead Finish) (2) AT24HC02BN-SH-T (NiPdAu Lead Finish) (1) AT24HC02B-TH-B (NiPdAu Lead Finish) (2) AT24HC02B-TH-T (NiPdAu Lead Finish) (3) AT24HC02B-W-11 Notes: 1. “-B” denotes bulk. 2. “-T” denotes tape and reel. SOIC = 4K per reel. TSSOP = 5K per reel. ...

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Part marking scheme 10.1 8-PDIP TOP MARK Seal Year |---|---|---|---|---|---|---|---| |---|---|---|---|---|---|---|---| |---|---|---|---|---|---|---|---| * Lot Number |---|---|---|---|---|---|---|---| | Pin 1 Indicator (Dot) 10.2 8-SOIC TOP MARK Seal Year |---|---|---|---|---|---|---|---| A T ...

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... Pin 1 Indicator (Dot) | |---|---|---|---| * |---|---|---|---|---| |---|---|---|---|---| BOTTOM MARK |---|---|---|---|---|---|---| P H |---|---|---|---|---|---|---| |---|---|---|---|---|---|---| <- Pin 1 Indicator AT24HC02B SEAL YEAR 6: 2006 7: 2007 W 8: 2008 9: 2009 SEAL WEEK 0: 2010 02 = Week 2 1: 2011 04 = Week 4 2: 2012 :: : :::: : 3: 2013 :: : :::: :: 50 = Week Week 52 5134E–SEEPR–3/08 ...

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Packaging Information 11.1 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 ...

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... 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 AT24HC02B TITLE 8S1, 8-lead (0.150" Wide Body), Plastic Gull Wing ...

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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, ...

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... Revision History Doc. Rev. 5134E 5134D 5134C 5134B AT24HC02B 18 Date Comments Added part marking scheme 3/2008 Updated to new template Removed reference to Waffle Pack on page 1 Added lines to Ordering Code table 4/2007 Shrink Pin Diagram; Change to Table 5; Added Two-Wire Software Reset; Removed LSB from figures 3/2007 Pg ...

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... 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. © 2008 Atmel Corporation. All rights reserved. Atmel of Atmel Corporation or its subsidiaries. Other terms and product names may be trademarks of others. International Atmel Asia ...