CAT24C042PA-42 datasheet, PDF - EEWORLD Datasheet

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CAT24C042PA-42: DescriptionMicroprocessor Circuit, CMOS, PDIP8, PLASTIC, DIP-8; CategoryThe embedded processor and controller Microcontrollers and processors; File Size72KB，12 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/

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CAT24C042PA-42 Overview

Microprocessor Circuit, CMOS, PDIP8, PLASTIC, DIP-8

CAT24C042PA-42 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Catalyst
Parts packaging code	DIP
package instruction	DIP,
Contacts	8
Reach Compliance Code	unknown
JESD-30 code	R-PDIP-T8
JESD-609 code	e0
length	9.27 mm
Number of terminals	8
Maximum operating temperature	105 °C
Minimum operating temperature	-40 °C
Package body material	PLASTIC/EPOXY
encapsulated code	DIP
Package shape	RECTANGULAR
Package form	IN-LINE
Certification status	Not Qualified
Maximum seat height	4.57 mm
Maximum supply voltage	6 V
Minimum supply voltage	2.7 V
Nominal supply voltage	5 V
surface mount	NO
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	THROUGH-HOLE
Terminal pitch	2.54 mm
Terminal location	DUAL
width	7.62 mm
uPs/uCs/peripheral integrated circuit type	MICROPROCESSOR CIRCUIT
Base Number Matches	1

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CAT24C161/162 (16K), CAT24C081/082 (8K)

CAT24C041/042 (4K), CAT24C021/022 (2K)

Supervisory Circuits with I

C Serial CMOS EEPROM, Precision Reset Controller and Watchdog Timer

FEATURES

Watchdog monitors SDA for the CAT24CXX1

400 KHz I

C bus compatible

2.7 to 6.0 Volt operation

Low power CMOS technology

16-Byte page write buffer

Built-in inadvertent write protection

Active high or low reset

— Precision power supply voltage monitor

— 5V, 3.3V and 3V systems

— Five threshold voltage options

1,000,000 Program/Erase cycles

100 Year data retention

8-pin DIP or 8-pin SOIC

Commercial, industrial and automotive

— V

lock out

— Write protect pin, WP

temperature ranges

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 supply voltage exceeds the reset threshold

level. With both active high and low reset signals, interface

to microcontrollers and other ICs is simple. In addition, a

reset pin can be used as a debounced input for push-button

manual reset capability.

The CAT24Cxxx memory features a 16-byte page. In addition,

hardware data protection is provided by a write protect pin

WP and by a V

sense circuit that prevents writes to

memory whenever V

falls below the reset threshold or

until V

reaches the reset threshold during power up.

DESCRIPTION

The CAT25Cxx1 is a complete memory and supervisory

solution for microcontroller-based systems. A serial

EEPROM memory (2/4/8/16K) with hardware memory

write protection, a system power supervisor with brown

out protection and a watchdog timer are integrated

together in low power CMOS technology. Memory

interface is via an I

C bus.

The 1.6-second watchdog circuit returns a system to a

known good state if a software or hardware glitch halts

or “hangs” the system. The CAT24Cxx1 watchdog

monitors the SDA line, making an additional PC board

trace unnecessary. The lower cost CAT24Cxx2 does

not have a watchdog timer.

The power supply monitor and reset circuit protects Available packages include an 8-pin DIP and a surface

memory and system controllers during power up/down mount, 8-pin SO package.

PIN CONFIGURATION

RESET

VSS

VCC

RESET

SCL

SDA

BLOCK DIAGRAM

EXTERNAL LOAD

DOUT

ACK

VCC

GND

WORD ADDRESS

BUFFERS

COLUMN

DECODERS

SENSE AMPS

SHIFT REGISTERS

CAT

24CXX1/2

SDA

START/STOP

LOGIC

XDEC

PROM

DC = Do not connect

CONTROL

LOGIC

Part Dash Minimum

Number Threshold

-45

-42

-30

-28

-25

4.50

4.25

3.00

2.85

2.55

Maximum

Threshold

4.75

4.50

RESET Controller

DATA IN STORAGE

HIGH VOLTAGE/

TIMING CONTROL

STATE COUNTERS

SLAVE

ADDRESS

COMPARATORS

3.15

3.00

2.70

Only for

CAT24C161

WATCHDOG

SCL

Precision

Vcc Monitor

24C1601 BLOCK

RESET

Characteristics subject to change without notice

Doc No. 3000, Rev. A

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