CAT1023WI-28-G ON Semiconductor, CAT1023WI-28-G Datasheet
![no-image](/images/manufacturer_photos/0/4/495/on_semiconductor_sml.jpg)
CAT1023WI-28-G
Specifications of CAT1023WI-28-G
Available stocks
Related parts for CAT1023WI-28-G
CAT1023WI-28-G Summary of contents
Page 1
... Supervisory Circuits with I EEPROM, Manual Reset and Watchdog Timer FEATURES Precision Power Supply Voltage Monitor — 3.3 V and 3 V systems — Five threshold voltage options Watchdog Timer Active High or Low Reset — Valid reset guaranteed 400 kHz I C Bus 2 5.5 V Operation ...
Page 2
CAT1021, CAT1022, CAT1023 BLOCK DIAGRAM EXTERNA L LOAD D OUT ACK V CC WORDADDRESS V SS BUFFERS START/STOP SDA LOGIC XDEC CONTR OL LOGIC WP (CAT1021) RESET Controller Precision MR Vcc Monitor WDI RESET (CAT1023) (CAT1021/23) RESET PIN CONFIGURATION DIP ...
Page 3
... Input Pin CAT1021 CAT1022 CAT1023 CAT1024 CAT1025 CAT1026 CAT1027 For supervisory circuits with embedded 16k EEPROM, please refer to the CAT1161, CAT1162 and CAT1163 data sheets. © 2009 SCILLC. All rights reserved. Characteristics subject to change without notice PIN FUNCTION Pin Function Name ...
Page 4
CAT1021, CAT1022, CAT1023 ABSOLUTE MAXIMUM RATINGS Parameters Temperature Under Bias Storage Temperature Voltage on any Pin with Respect to Ground V with Respect to Ground CC Package Power Dissipation Capability (T Lead Soldering Temperature (10 s) (3) Output Short Circuit ...
Page 5
CAPACITANCE T = 25º 1.0 MHz Symbol Test (1) C Output Capacitance OUT (1) C Input Capacitance IN AC CHARACTERISTICS 5.5 V and over the recommended temperature ...
Page 6
CAT1021, CAT1022, CAT1023 RESET CIRCUIT AC CHARACTERISTICS Symbol Parameter t Power-Up Reset Timeout PURST RESET output Delay RDP Glitch Reject Pulse Width GLITCH CC MR Glitch Manual Reset Glitch Immunity t MR Pulse Width ...
Page 7
DEVICE OPERATION Reset Controller Description The CAT1021/22/23 precision RESET controllers ensure correct system operation during brownout and power up/down conditions. They are configured with open drain RESET outputs. During power-up, the RESET outputs remain active until V reaches the V ...
Page 8
CAT1021, CAT1022, CAT1023 Figure 1. RESET Output Timing RVALID t V PURST CC RESE T RESE T Figure 2: MR ¯¯¯ Operation and Timing MR RESET RESET Doc. No. MD-3009 Rev GLITCH t t RPD ...
Page 9
EMBEDDED EEPROM OPERATION The CAT1021/22/23 feature a 2-kbit embedded serial 2 EEPROM that supports the I C Bus data transmission protocol. This Inter-Integrated Circuit Bus protocol defines any device that sends data to the bus transmitter and ...
Page 10
CAT1021, CAT1022, CAT1023 ACKNOWLEDGE After a successful data transfer, each receiving device is required to generate an acknowledge. The acknowledging device pulls down the SDA line during the ninth clock cycle, signaling that it received the 8 bits of data. ...
Page 11
Page Write The CAT1021/22/23 writes bytes of data in a single write cycle, using the Page Write operation. The page write operation is initiated in the same manner as the byte write operation, however instead of terminating ...
Page 12
CAT1021, CAT1022, CAT1023 Acknowledge Polling Disabling of the inputs can be used to take advantage of the typical write cycle time. Once the stop condition is issued to indicate the end of the host’s write opration, the CAT1021/22/23 initiates the ...
Page 13
Immediate/Current Address Read The CAT1021/22/23 address counter contains the address of the last byte accessed, incremented by one. In other words, if the last READ or WRITE access was to address N, the READ immediately following would access data from ...
Page 14
CAT1021, CAT1022, CAT1023 PACKAGE OUTLINE DRAWINGS (1)(2) PDIP 8-Lead 300 mils (L) PIN # 1 IDENTIFICATION D TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC MS-001. Doc. No. MD-3009 Rev. ...
Page 15
SOIC 8-Lead 150 mils (W) PIN # 1 IDENTIFICATION TOP VIEW D e SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. © 2009 SCILLC. All rights reserved Characteristics subject to ...
Page 16
CAT1021, CAT1022, CAT1023 (1)(2) TSSOP 8-Lead ( TOP VIEW D SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-153 Doc. No. MD-3009 Rev. P SYMBOL ...
Page 17
MSOP 8-Lead ( TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-187. © 2009 SCILLC. All rights reserved Characteristics subject to change ...
Page 18
CAT1021, CAT1022, CAT1023 (1)(2) TDFN 8-Pad (ZD4) D PIN#1 INDEX AREA TOP VIEW SYMBOL MIN NOM A 0.70 0.75 A1 0.00 0.02 A3 0.20 REF b 0.23 0.30 D 2.90 3.00 D2 2.20 — E 2.90 ...
Page 19
... The device used in the above example is a CAT1021WI-30-GT3 (SOIC, Industrial Temperature, 3 3.15 V, NiPdAu, Tape & Reel, 3,000/Reel). (4) For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. (5) TDFN not available in NiPdAu (–G) version. © 2009 SCILLC. All rights reserved ...
Page 20
... CAT1023LI-28-G CAT1023ZI-28-GT3 CAT1023LI-25-G CAT1023ZI-25-GT3 CAT1023WI-45-GT3 CAT1023ZD4I-45T3* CAT1023WI-42-GT3 CAT1023ZD4I-42T3* CAT1023WI-30-GT3 CAT1023ZD4I-30T3* CAT1023WI-28-GT3 CAT1023ZD4I-28T3* CAT1023WI-25-GT3 CAT1023ZD4I-25T3* CAT1023YI-45-GT3 CAT1023YI-42-GT3 CAT1023YI-30-GT3 CAT1023YI-28-GT3 CAT1023YI-25-GT3 * Part number is not exactly the same as the “Example of Ordering Information” shown on page 19. For part numbers marked with only one hyphen in the orderable part number, which is placed before the “Reset Threshold Voltage”. ...
Page 21
... Update Example of Ordering Information Update Package Outline Drawings 28-Nov/07 M Update Example of Ordering Information Add “MD-“ to document number 3-Nov-08 N Change logo and fine print to ON Semiconductor 5-Mar-09 O Update Ordering Information (Remove 2,000/Reel) 14-Jul-09 P Update Ordering Information table ON Semiconductor and are registered trademarks of Semiconductor Components Industries, LLC (SCILLC). SCILLC reserves the right to make changes without further notice to any products herein ...