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Document overview
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- PDF pages: 11
Technical content
Features
- Watchdog Monitors SDA Signal (N84C161)
- 400 kHz I2C Bus Compatible
- 2.7 V to 6 V Operation
- Low Power CMOS Technology
- 16−Byte Page Write Buffer
- Built−in Inadvertent Write Protection ♦ VCC Lock Out ♦ Write Protection Pin, WP
- Active High or Low Reset ♦ Precision Power Supply V oltage Monitor ♦ 5 V , 3.3 V and 3 V Systems ♦ Five Threshold V oltage Options
- 1,000,000 Program/Erase Cycles
- Manual Reset
- 100 Year Data Retention
- 8−Pin SOIC
- Commercial and Industrial Temperature Ranges
- These Devices are Pb−Free, Halogen Free/BFR Free and are RoHS Compliant This document contains information on a product under development. ON Semiconductor reserves the right to change or discontinue this product without notice.
ORDERING INFORMATION
www.onsemi.com SOIC−8 CASE 751BD For Ordering Information details, see page 11. DC RESET WP GND VCC RESET SCL SDA N84C161 N84C162 PIN CONFIGURATION PIN FUNCTIONS Pin Name Function DC Do Not Connect RESET Active Low Reset I/O WP Write Protect GND Ground SDA Serial Data/Address SCL Clock Input RESET Active High Reset I/O VCC Power Supply
Table 1. RESET THRESHOLD OPTION
Table 2. ABSOLUTE MAXIMUM RATINGS should not be assumed, damage may occur and reliability may be affected. CC +0.5 V, which may overshoot to VCC +2.0 V for periods of less than 20 ns.
- Output shorted for no more than one second. No more than one output shorted at a time.
Table 3. RELIABILITY CHARACTERISTICS
- This parameter is tested initially and after a design or process change that affects the parameter.
- Latch−up protection is provided for stresses up to 100 mA on address and data pins from –1 V to V CC +1 V.
Table 4. D.C. OPERATING CHARACTERISTICS VCC = 2.7 V to 6 V, unless otherwise specified. performance may not be indicated by the Electrical Characteristics if operated under different conditions. Table 5. CAPACITANCE
Table 6. AC CHARACTERISTICS VCC = 2.7 V to 6.0 V unless otherwise specified. Output Load is TTL Gate and 100 pF.
- This parameter is tested initially and after a design or process change that affects the parameter.
Table 7. WRITE CYCLE LIMITS cycle, the bus interface circuits are disabled, SDA is allowed to remain high, and the device does not respond to its slave address. Table 8. RESET CIRCUIT CHARACTERISTICS
pin must be connected through a pull−up resistor. 1.6 seconds, the watchdog timer times out. cleared by any transition on SDA. will not count and will stay cleared. The N84C162 does not have a Watchdog. Figure 1. RESET Output Timing
Selective/Random READ and Sequential READ. an acknowledge, then transmits the 8−bit byte requested. Figure 9. Immediate Address Read Timing address and byte addresses of the location it wishes to read. but will generate a STOP condition. thus sending the STOP condition. the entire memory array can be read during one operation. if RESET is used as a manual reset input.
N84C161, N84C162 www.onsemi.com Figure 10. Selective Read Timing Figure 11. Sequential Read Timing Orderable Part Numbers − N84C161/2 Series (See Notes 1 − 4) Device Reset Threshold Voltage Package−Pins Shipping N84C161WD45TG 4.50 V − 4.75 V SOIC−8
3000 Tape & Reel
N84C161WD42TG 4.25 V − 4.50 V N84C161WD30TG 3.00 V − 3.15 V N84C161WD28TG 2.85 V − 3.00 V N84C161WD25TG 2.55 V − 2.70 V N84C162WD45TG 4.50 V − 4.75 V SOIC−8 N84C162WD42TG 4.25 V − 4.50 V N84C162WD30TG 3.00 V − 3.15 V N84C162WD28TG 2.85 V − 3.00 V N84C162WD25TG 2.55 V − 2.70 V 1. All packages are RoHS−compliant (Lead−free, Halogen−free). 2. The standard lead finish is NiPdAu. 3. For additional package and temperatur e options, please contact your nearest ON Semiconductor Sales office. 4. For detailed information and a breakdown of device nomenclature and numbering systems, please see the ON Semiconducto r Device Nomencla ture document, TND310/D, available at www.onsemi.com
N84C161, N84C162 www.onsemi.com SOIC 8, 150 mils CASE 751BD−01 ISSUE O E1 E A h θ L c e b D PIN # 1 IDENTIFICATION TOP VIEW SIDE VIEW END VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. SYMBOL MIN NOM MAX θ A b c D E e h 0º 8º 0.10 0.33 0.19 0.25 4.80 5.80 3.80
1.27 BSC
1.75 0.25 0.51 0.25 0.50 5.00 6.20 4.00 L 0.40 1.27 1.35 ON Semiconductor and are trademarks of Semiconductor Components Industries, LLC dba ON Semiconductor or its subsidiaries i n the United States and/or other countries. ON Semiconductor owns the rights to a number of patents, trademarks, copyrights, trade secrets, and other intellectual property . A listing of ON Semiconductor’s product/patent ON Semiconductor makes no warranty, representation or guarantee regarding the suitability of its products for any particular purpose, nor does ON Semiconductor assume any liability arising out of the application or use of any product or circuit, and specifically disclaims any and all liability, including without limitation special, consequential or incidental damages. Buyer is responsible for its products and applications using ON Semiconductor products, including compliance with all laws, reg ulations and safety requirements or standards, regardless of any support or applications information provided by ON Semiconductor. “Typical” parameters which may be provided in ON Semiconductor data sheets and/or specifications can and do vary in different applications and actual performance may vary over time. All operating parameters, including “Typicals” must be validated for each customer application by customer’s technical experts. ON Semiconductor does not convey any license under its patent rights nor the right s of others. ON Semiconductor products are not designed, intended, or authorized for use as a critical component in life support systems or any FDA Class 3 medical devices or medical devices with a same or similar classification in a foreign jurisdiction or any devices intended for implantation in the human body. Should Buyer purchase or use ON Semiconductor products for any such unintended or unauthorized application, Buyer shall indemnify and hold ON Semiconductor and its officers, employees, subsidiaries, affiliates, and distributors harmless against all claims, costs, damages, and expenses, and reasonable attorney fees arising out of, directly or indirectly, any claim of personal injury or death associated with such unintended or unauthorized use, even if such claim alleges that ON Semiconductor was negligent regarding the design or manufacture of the part. ON Semiconductor is an Equal Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION N. American Technical Support: 800−282−9855 Toll Free USA/Canada Europe, Middle East and Africa Technical Support: Phone: 421 33 790 2910 Japan Customer Focus Center Phone: 81−3−5817−1050 N84C161/D ON Semiconductor is licensed by the Philips Corporation to utilize the I2C bus protocol. LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor 19521 E. 32nd Pkwy, Aurora, Colorado 80011 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303−675−2176 or 800−344−3867 Toll Free USA/Canada Email: orderlit@onsemi.com ON Semiconductor Website: www.onsemi.com Order Literature: http://www.onsemi.com/orderlit For additional information, please contact your local Sales Representative