CAT1026ZI-42-G ON Semiconductor, CAT1026ZI-42-G Datasheet
CAT1026ZI-42-G
Specifications of CAT1026ZI-42-G
Related parts for CAT1026ZI-42-G
CAT1026ZI-42-G Summary of contents
Page 1
CAT1026, CAT1027 Dual Voltage Supervisory 2 Circuits with I 2k-bit CMOS EEPROM Description The CAT1026 and CAT1027 are complete memory and supervisory solutions for microcontroller−based systems. A 2k−bit serial EEPROM memory and a system power supervisor with brown−out protection are ...
Page 2
Table 1. RESET THRESHOLD OPTION Part Dash Number −45 −42 −30 −28 −25 EXTERNAL LOAD SDA V CC Monitor REF AuxiliaryVoltage Monitor V SENSE + V LOW - V REF Minimum ...
Page 3
DIP Package (L) SOIC Package (W) TSSOP Package (Y) MSOP Package ( LOW RESET 2 CAT1026 3 V SENSE LOW RESET 2 CAT1027 3 V SENSE RESET/RESET: RESET OUTPUTs (RESET ...
Page 4
... CAT1024 n CAT1025 n CAT1026 CAT1027 n NOTE: For supervisory circuits with embedded 16k EEPROM, please refer to the CAT1161, CAT1162 and CAT1163 data sheets. Table 5. ABSOLUTE MAXIMUM RATINGS Parameters Temperature Under Bias Storage Temperature Voltage on any Pin with Respect to Ground (Note 1) V with Respect to Ground ...
Page 5
Table 6. D.C. OPERATING CHARACTERISTICS 5.5 V and over the recommended temperature conditions unless otherwise specified. CC Symbol Parameter V Reset Threshold TH V Reset Output Valid V RVALID V (Note 4) Reset Threshold Hysteresis ...
Page 6
Table 9. RESET CIRCUIT AC CHARACTERISTICS Symbol Parameter t Power−Up Reset Timeout PURST RESET output Delay RDP Glitch Reject Pulse Width GLITCH CC t Watchdog Timeout Delay RPD2 SENSE ...
Page 7
Reset Controller Description The CAT1026 and CAT1027 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
RVALID t V PURST CC RESET RESET V REF V SENSE V LOW Externally adjustable threshold V TH-ADJ t GLITCH t RPD Figure 1. RESET Output Timing t RPD2 t RPD2 Figure 2. Auxiliary Voltage Monitor Timing ...
Page 9
The CAT1026 and CAT1027 feature a 2−kbit embedded 2 serial 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 any ...
Page 10
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. The CAT1026 and CAT1027 ...
Page 11
Page Write The CAT1026 and CAT1027 write 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 ...
Page 12
BUS ACTIVITY: SDA LINE SCL SDA Immediate/Current Address Read The CAT1026 and CAT1027 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, ...
Page 13
... CAT1026YI−30−GT3 CAT1026YI−28−GT3 CAT1026YI−25−GT3 CAT1026ZI−45−GT3 CAT1026ZI−42−GT3 CAT1026ZI−30−GT3 CAT1026ZI−28−GT3 CAT1026ZI−25−GT3 CAT1026ZD4I−45T3* CAT1026ZD4I−42T3* CAT1026ZD4I−30T3* CAT1026ZD4I−28T3* CAT1026ZD4I−25T3* 1. All packages are RoHS−compliant (Lead−free, Halogen−free). ...
Page 14
... For additional package and temperature options, please contact your nearest ON Semiconductor Sales office. 4. TDFN not available in NiPdAu (–G) version. 5. For detailed information and a breakdown of device nomenclature and numbering systems, please see the ON Semiconductor Device Nomenclature document, TND310/D, available at www.onsemi.com http://onsemi.com Package ...
Page 15
PIN # 1 IDENTIFICATION TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MS-012. PACKAGE DIMENSIONS SOIC 8, 150 mils CASE 751BD−01 ISSUE O SYMBOL ...
Page 16
PIN # 1 IDENTIFICATION D TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. (2) Complies with JEDEC MS-001. PDIP−8, 300 mils CASE 646AA−01 ISSUE A SYMBOL ...
Page 17
E E1 TOP VIEW SIDE VIEW Notes: (1) All dimensions are in millimeters. Angles in degrees. (2) Complies with JEDEC MO-187. MSOP 8, 3x3 CASE 846AD−01 ISSUE O SYMBOL MIN A A1 0.05 A2 ...
Page 18
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 3.00 E2 1.40 −−− e 0.65 TYP L 0.20 0.30 Notes: ...
Page 19
... Opportunity/Affirmative Action Employer. This literature is subject to all applicable copyright laws and is not for resale in any manner. PUBLICATION ORDERING INFORMATION LITERATURE FULFILLMENT: Literature Distribution Center for ON Semiconductor P.O. Box 5163, Denver, Colorado 80217 USA Phone: 303−675−2175 or 800−344−3860 Toll Free USA/Canada Fax: 303− ...