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CAT28C64BP-20 Fiches technique(PDF) 1 Page - ON Semiconductor

No de pièce CAT28C64BP-20
Description  64K-Bit CMOS PARALLEL EEPROM
Download  13 Pages
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Fabricant  ONSEMI [ON Semiconductor]
Site Internet  http://www.onsemi.com
Logo ONSEMI - ON Semiconductor

CAT28C64BP-20 Fiches technique(HTML) 1 Page - ON Semiconductor

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Doc. No. MD-1011, Rev. I
© 2009 SCILLC. All rights reserved.
Characteristics subject to change without notice
FEATURES
s Fast read access times:
– 90/120/150ns
s Low power CMOS dissipation:
– Active: 25 mA max.
– Standby: 100
µµµµµA max.
s Simple write operation:
– On-chip address and data latches
– Self-timed write cycle with auto-clear
s Fast write cycle time:
– 5ms max.
s CMOS and TTL compatible I/O
s 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 VCC 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.
BLOCK DIAGRAM
s Commercial, industrial and automotive
temperature ranges
s Automatic page write operation:
– 1 to 32 bytes in 5ms
– Page load timer
s End of write detection:
– Toggle bit
DATA
DATA
DATA
DATA
DATA polling
s 100,000 program/erase cycles
s 100 year data retention
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 .
ADDR. BUFFER
& LATCHES
ADDR. BUFFER
& LATCHES
INADVERTENT
WRITE
PROTECTION
CONTROL
LOGIC
TIMER
ROW
DECODER
COLUMN
DECODER
HIGH VOLTAGE
GENERATOR
A5–A12
CE
OE
WE
A0–A4
I/O0–I/O7
I/O BUFFERS
8,192 x 8
EEPROM
ARRAY
32 BYTE PAGE
REGISTER
VCC
DATA POLLING
AND
TOGGLE BIT
64K-Bit CMOS PARALLEL EEPROM
CAT28C64B


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