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CAT1021YE-28TE13

Description
The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each
CategoryPower/power management    The power supply circuit   
File Size147KB,20 Pages
ManufacturerCatalyst
Websitehttp://www.catalyst-semiconductor.com/
Environmental Compliance
Download Datasheet Parametric View All

CAT1021YE-28TE13 Overview

The CAT24FC02 is a 2-kb Serial CMOS EEPROM internally organized as 256 words of 8 bits each

CAT1021YE-28TE13 Parametric

Parameter NameAttribute value
Is it Rohs certified?conform to
Parts packaging codeSOIC
package instructionTSSOP, TSSOP8,.25
Contacts8
Reach Compliance Codeunknow
ECCN codeEAR99
Adjustable thresholdNO
Analog Integrated Circuits - Other TypesPOWER SUPPLY MANAGEMENT CIRCUIT
JESD-30 codeR-PDSO-G8
JESD-609 codee3
length4.4 mm
Humidity sensitivity level1
Number of channels1
Number of functions1
Number of terminals8
Maximum operating temperature125 °C
Minimum operating temperature-40 °C
Package body materialPLASTIC/EPOXY
encapsulated codeTSSOP
Encapsulate equivalent codeTSSOP8,.25
Package shapeRECTANGULAR
Package formSMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)260
power supply3.3/5 V
Certification statusNot Qualified
Maximum seat height1.2 mm
Maximum supply current (Isup)3 mA
Maximum supply voltage (Vsup)5.5 V
Minimum supply voltage (Vsup)3 V
Nominal supply voltage (Vsup)3.3 V
surface mountYES
technologyCMOS
Temperature levelAUTOMOTIVE
Terminal surfaceMATTE TIN
Terminal formGULL WING
Terminal pitch0.65 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
width3 mm
Base Number Matches1
CAT1021, CAT1022, CAT1023
Supervisory Circuits with I
2
C Serial 2k-bit CMOS EEPROM, Manual Reset
and Watchdog Timer
FEATURES
Precision power supply voltage monitor
Built-in inadvertent write protection
H
GEN
FR
ALO
EE
LE
A
D
F
R
E
E
TM
— 5V, 3.3V and 3V systems
— Five threshold voltage options
Watchdog timer
Active high or low reset
— WP pin (CAT1021)
1,000,000 Program/Erase cycles
Manual reset input
100 year data retention
8-pin DIP, SOIC, TSSOP, MSOP or TDFN
— Valid reset guaranteed at V
CC
= 1 V
400kHz I
2
C bus
3.0V to 5.5V operation
Low power CMOS technology
16-Byte page write buffer
(3 x 3 mm foot-print) packages
— TDFN max height is 0.8mm
Industrial and extended temperature ranges
DESCRIPTION
The CAT1021, CAT1022 and CAT1023 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
integrated together in low power CMOS technology.
Memory interface is via a 400kHz I
2
C bus.
The power supply monitor and reset circuit protect memory
and system controllers during power up/down and against
brownout conditions. Five reset threshold voltages support
5V, 3.3V and 3V systems. If power supply voltages are out
of tolerance reset signals become active, preventing the
system microcontroller, ASIC or peripherals from operating.
Reset signals become inactive typically 200 ms after the
The CAT1021 and CAT1023 provide a precision V
CC
supply voltage exceeds the reset threshold level. With both
sense circuit and two open drain outputs: one (RESET) active high and low reset signals, interface to microcontrollers
drives high and the other (RESET) drives low whenever and other ICs is simple. In addition, the
RESET
pin or a
V
CC
falls below the reset threshold voltage. The CAT1022 separate input,
MR,
can be used as an input for push-button
has only a
RESET
output and does not have a Write manual reset capability.
Protect input. The CAT1021 also has a Write Protect
input (WP). Write operations are disabled if WP is The on-chip, 2k-bit EEPROM memory features a 16-byte
page. In addition, hardware data protection is provided by a
connected to a logic high.
V
CC
sense circuit that prevents writes to memory whenever
All supervisors have a 1.6 second watchdog timer circuit V
CC
falls below the reset threshold or until V
CC
reaches the
that resets a system to a known state if software or a reset threshold during power up.
hardware glitch halts or “hangs” the system. For the
CAT1021 and CAT1022, the watchdog timer monitors Available packages include an 8-pin DIP, 8-pin SOIC, 8-pin
the SDA signal. The CAT1023 has a separate watchdog TSSOP, 8-pin TDFN and 8-pin MSOP. The TDFN package
timer interrupt input pin, WDI.
thickness is 0.8mm maximum. TDFN footprint options are
3x3mm.
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
Doc No. 3009, Rev. K
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