CAT1021_0711 Datasheet, PDF (19/21 Pages) Catalyst Semiconductor – Supervisory Circuits with I2C Serial 2k-bit CMOS EEPROM, Manual Reset and Watchdog Timer

EXAMPLE OF ORDERING INFORMATION⁽¹⁾
CAT1021, CAT1022, CAT1023
Prefix Device # Suffix
CAT 1021
W
I
-30
– G T3
Company ID
Product
Number
1021: 2K
1022: 2K
1023: 2K
Temperature Range
I = Industrial (-40ºC to 85ºC)
Package
L: PDIP
W: SOIC
Y: TSSOP
Z: MSOP
ZD4: TDFN 3x3mm ⁽⁵⁾
Reset Threshold Voltage
-45: 4.50V – 4.75V
-42: 4.25V – 4.50V
-30: 3.00V – 3.15V
-28: 2.85V – 3.00V
-25: 2.55V – 2.70V
Tape & Reel
T: Tape & Reel
2: 2000/Reel (only TDFN)
3: 3,000/Reel
Lead Finish
Blank: Matte-Tin
G: NiPdAu
Ordering Part Number – CAT1021xx
CAT1021LI-45-G
CAT1021ZI-45-GT3
CAT1021LI-42-G
CAT1021ZI-42-GT3
CAT1021LI-30-G
CAT1021ZI-30-GT3
CAT1021LI-28-G
CAT1021ZI-28-GT3
CAT1021LI-25-G
CAT1021ZI-25-GT3
CAT1021WI-45-GT3 CAT1021ZD4I-45-T2
CAT1021WI-42-GT3 CAT1021ZD4I-42-T2
CAT1021WI-30-GT3 CAT1021ZD4I-30-T2
CAT1021WI-28-GT3 CAT1021ZD4I-28-T2
CAT1021WI-25-GT3 CAT1021ZD4I-25-T2
CAT1021YI-45-GT3
CAT1021YI-42-GT3
CAT1021YI-30-GT3
CAT1021YI-28-GT3
CAT1021YI-25-GT3
CAT1022xx and Cat1023xx Ordering Part Numbers are located on page 20.
For Product Top Mark Codes, click here:
http://www.catsemi.com/techsupport/producttopmark.asp
Notes:
(1) All packages are RoHS-compliant (Lead-free, Halogen-free).
(2) The standard lead finish is NiPdAu.
(3) The device used in the above example is a CAT1021WI-30-GT3 (SOIC, Industrial Temperature, 3.0 - 3.15V, NiPdAu, Tape & Reel,
3,000/Reel).
(4) For additional package and temperature options, please contact your nearest Catalyst Semiconductor Sales office.
(5) TDFN not available in NiPdAu (–G) version.
© Catalyst Semiconductor, Inc.
19
Characteristics subject to change without notice
Doc. No. MD-3009 Rev. M