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CAT28F512G-90T View Datasheet(PDF) - Catalyst Semiconductor => Onsemi

Part NameDescriptionManufacturer
CAT28F512G-90T 512K-Bit CMOS Flash Memory Catalyst
Catalyst Semiconductor => Onsemi Catalyst
CAT28F512G-90T Datasheet PDF : 15 Pages
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CAT28F512
512K-Bit CMOS Flash Memory
Licensed Intel second source
FEATURES
I Fast Read Access Time: 90/120/150 ns
I Low Power CMOS Dissipation:
–Active: 30 mA max (CMOS/TTL levels)
–Standby: 1 mA max (TTL levels)
–Standby: 100 µA max (CMOS levels)
I High Speed Programming:
–10 µs per byte
–1 Sec Typ Chip Program
I 12.0V ± 5% Programming and Erase Voltage
I Electronic Signature
DESCRIPTION
The CAT28F512 is a high speed 64K x 8-bit electrically
erasable and reprogrammable Flash memory ideally
suited for applications requiring in-system or after-sale
code updates. Electrical erasure of the full memory
contents is achieved typically within 0.5 second.
It is pin and Read timing compatible with standard
EPROM and EEPROM devices. Programming and Erase
are performed through an operation and verify algo-
rithm. The instructions are input via the I/O bus, using a
ALOGEN FR
LEAD
F
R
E
E
TM
I Commercial, Industrial and Automotive
Temperature Ranges
I Stop Timer for Program/Erase
I On-Chip Address and Data Latches
I JEDEC Standard Pinouts:
–32-pin DIP
–32-pin PLCC
–32-pin TSOP ( 8 x 20)
I 100,000 Program/Erase Cycles
I 10 Year Data Retention
I "Green" Package Options Available
two write cycle scheme. Address and Data are latched
to free the I/O bus and address bus during the write
operation.
The CAT28F512 is manufactured using Catalyst’s ad-
vanced CMOS floating gate technology. It is designed
to endure 100,000 program/erase cycles and has a data
retention of 10 years. The device is available in JEDEC
approved 32-pin plastic DIP, 32-pin PLCC or 32-pin
TSOP packages.
BLOCK DIAGRAM
ERASE VOLTAGE
SWITCH
I/O0–I/O7
I/O BUFFERS
WE
CE
OE
A0–A15
COMMAND
REGISTER
PROGRAM VOLTAGE
SWITCH
CE, OE LOGIC
DATA SENSE
LATCH AMP
VOLTAGE VERIFY
SWITCH
Y-DECODER
X-DECODER
Y-GATING
524,288 BIT
MEMORY
ARRAY
© 2004 by Catalyst Semiconductor, Inc.
Characteristics subject to change without notice
1
Doc. No. 1084, Rev. H
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