BR24H64FVM-5ACTR ROHM

Datasheet Serial EEPROM Series for Automotive EEPROM 2 125 C Operation I C BUS EEPROM for Automotive (2-Wire) BR24H64xxx-5AC Series General Description Key Specifications BR24H64xxx-5AC Series is a 64 Kbit serial EEPROM of Write Cycles: 4 Million Times (Ta = 25 C) 2 I C BUS Interface. 1.2 Million Times (Ta = 85 C) 0.5 Million Times (Ta = 105 C) 0.3 Million Times (Ta = 125 C) Features (Note 1) Data Retention: 100 Years (Ta = 25 C) AEC-Q100 Qualified 60 Years (Ta = 105 C) All Controls Available by 2 Ports of Serial Clock (SCL) 50 Years (Ta = 125 C) and Serial Data (SDA) Write Cycle Time: 3.5 ms (Max) 1.7 V to 5.5 V Wide Limit of Operating Voltage, Supply Voltage: 1.7 V to 5.5 V Possible 1 MHz Operation Ambient Operating Temperature: -40 C to +125 C Page Write Mode 32 Byte Bit Format 8 K x 8 bit Low Current Consumption Packages W (Typ) x D (Typ) x H (Max) Prevention of Miswriting SOP8 5.0 mm x 6.2 mm x 1.71 mm WP (Write Protect) Function Added SOP-J8 4.9 mm x 6.0 mm x 1.65 mm Prevention of Miswriting at Low Voltage TSSOP-B8 3.0 mm x 6.4 mm x 1.2 mm Noise Filter Built in SCL/SDA Pin MSOP8 2.9 mm x 4.0 mm x 0.9 mm Initial Delivery State FFh VSON008X2030 2.0 mm x 3.0 mm x 0.6 mm (Note 1) Grade 1 Applications Automotive Camera Automotive Electronics Typical Application Circuit SOP8 MSOP8 VCC VCC A0 A1 WP * SOP-J8 VSON008X2030 Micro- SCL A2 controller GND SDA 0.1 F TSSOP-B8 * Connect A0, A1, A2 to VCC or GND. These pins have pull-down elements inside the IC. Figure 2 If pins are open, they are the same as when they are connected to GND. Figure 1. Typical Application Circuit Product structure : Silicon integrated circuit This product has no designed protection against radioactive rays. www.rohm.com TSZ02201-0G1G0G100460-1-2 2018 ROHM Co., Ltd. All rights reserved. 1/37 TSZ22111 14 001 10.Jun.2020 Rev.001 BR24H64xxx-5AC Series Contents General Description ........................................................................................................................................................................ 1 Features.......................................................................................................................................................................................... 1 Applications .................................................................................................................................................................................... 1 Typical Application Circuit ............................................................................................................................................................... 1 Key Specifications .......................................................................................................................................................................... 1 Packages ........................................................................................................................................................................................ 1 Contents ......................................................................................................................................................................................... 2 Pin Configurations .......................................................................................................................................................................... 3 Pin Description ................................................................................................................................................................................ 3 Block Diagram ................................................................................................................................................................................ 3 Absolute Maximum Ratings ............................................................................................................................................................ 4 Thermal Resistance ........................................................................................................................................................................ 4 Operating Conditions ...................................................................................................................................................................... 6 Input/Output Capacitance ............................................................................................................................................................... 6 Input Impedance ............................................................................................................................................................................. 6 Memory Cell Characteristics ........................................................................................................................................................... 6 Electrical Characteristics................................................................................................................................................................. 6 AC Characteristics .......................................................................................................................................................................... 7 AC Characteristics Condition .......................................................................................................................................................... 7 Input/Output Timing ........................................................................................................................................................................ 8 Typical Performance Curves ......................................................................................................................................................... 10 2 I C BUS Communication ............................................................................................................................................................... 19 Write Command ............................................................................................................................................................................ 20 Read Command ............................................................................................................................................................................ 22 Method of Reset ........................................................................................................................................................................... 23 Acknowledge Polling ..................................................................................................................................................................... 23 WP Valid Timing (Write Cancel) .................................................................................................................................................... 24 Command Cancel by Start Condition and Stop Condition ............................................................................................................ 24 Application Examples ................................................................................................................................................................... 25 Caution on Power-Up Conditions .................................................................................................................................................. 27 Low Voltage Malfunction Prevention Function .............................................................................................................................. 27 I/O Equivalence Circuits................................................................................................................................................................ 28 Operational Notes ......................................................................................................................................................................... 29 Ordering Information ..................................................................................................................................................................... 30 Lineup ........................................................................................................................................................................................... 30 Marking Diagrams ......................................................................................................................................................................... 31 Physical Dimension and Packing Information ............................................................................................................................... 32 Revision History ............................................................................................................................................................................ 37 www.rohm.com TSZ02201-0G1G0G100460-1-2 2018 ROHM Co., Ltd. All rights reserved. 2/37 TSZ22111 15 001 10.Jun.2020 Rev.001