CAT28C64BXI-90T datasheet, PDF

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CAT28C64BXI-90T: Description64K-Bit CMOS PARALLEL E2PROM; Categorystorage storage; File Size414KB，13 Pages; ManufacturerCatalyst; Websitehttp://www.catalyst-semiconductor.com/; Environmental Compliance

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CAT28C64BXI-90T Overview

64K-Bit CMOS PARALLEL E2PROM

CAT28C64BXI-90T Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Parts packaging code	SOIC
package instruction	SOP, SOP28,.45
Contacts	28
Reach Compliance Code	unknow
ECCN code	EAR99
Maximum access time	90 ns
command user interface	NO
Data polling	YES
Durability	1000000 Write/Erase Cycles
JESD-30 code	R-PDSO-G28
JESD-609 code	e3
length	17.9 mm
memory density	65536 bi
Memory IC Type	EEPROM
memory width	8
Humidity sensitivity level	1
Number of functions	1
Number of terminals	28
word count	8192 words
character code	8000
Operating mode	ASYNCHRONOUS
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
organize	8KX8
Package body material	PLASTIC/EPOXY
encapsulated code	SOP
Encapsulate equivalent code	SOP28,.45
Package shape	RECTANGULAR
Package form	SMALL OUTLINE
page size	32 words
Parallel/Serial	PARALLEL
Peak Reflow Temperature (Celsius)	260
power supply	5 V
Programming voltage	5 V
Certification status	Not Qualified
Maximum seat height	2.65 mm
Maximum standby current	0.0001 A
Maximum slew rate	0.03 mA
Maximum supply voltage (Vsup)	5.5 V
Minimum supply voltage (Vsup)	4.5 V
Nominal supply voltage (Vsup)	5 V
surface mount	YES
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	MATTE TIN
Terminal form	GULL WING
Terminal pitch	1.27 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	40
switch bit	YES
width	7.5 mm
Maximum write cycle time (tWC)	5 ms
Base Number Matches	1

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CAT28C64B

64K-Bit CMOS PARALLEL EEPROM

FEATURES

Fast read access times:

LOGEN

Commercial, industrial and automotive

– 90/120/150ns

Low power CMOS dissipation:

temperature ranges

Automatic page write operation:

– Active: 25 mA max.

– Standby: 100

A max.

Simple write operation:

– 1 to 32 bytes in 5ms

– Page load timer

End of write detection:

– On-chip address and data latches

– Self-timed write cycle with auto-clear

Fast write cycle time:

– Toggle bit

–

DATA

polling

100,000 program/erase cycles

100 year data retention

– 5ms max.

CMOS and TTL compatible I/O

Hardware and software write protection

DESCRIPTION

The CAT28C64B is a fast, low power, 5V-only CMOS

Parallel EEPROM organized as 8K x 8-bits. It requires a

simple interface for in-system programming. On-chip

address and data latches, self-timed write cycle with

auto-clear and V

power up/down write protection

eliminate additional timing and protection hardware.

DATA

Polling and Toggle status bits signal the start and

end of the self-timed write cycle. Additionally, the

CAT28C64B features hardware and software write

protection.

The CAT28C64B is manufactured using Catalyst’s

advanced CMOS floating gate technology. It is designed

to endure 100,000 program/erase cycles and has a data

retention of 100 years. The device is available in JEDEC-

approved 28-pin DIP, TSOP, SOIC, or, 32-pin PLCC

package .

BLOCK DIAGRAM

A5–A12

ADDR. BUFFER

& LATCHES

INADVERTENT

WRITE

PROTECTION

ROW

DECODER

8,192 x 8

EEPROM

ARRAY

32 BYTE PAGE

VCC

HIGH VOLTAGE

GENERATOR

CONTROL

LOGIC

I/O BUFFERS

TIMER

DATA POLLING

AND

TOGGLE BIT

COLUMN

DECODER

I/O0–I/O7

A0–A4

ADDR. BUFFER

& LATCHES

Characteristics subject to change without notice

Doc. No. 1011, Rev. F

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