CAT28C65BL-90T datasheet(8/13 Pages) CATALYST

No de pièce	CAT28C65BL-90T

Description	64K-Bit CMOS PARALLEL EEPROM

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Fabricant	CATALYST [Catalyst Semiconductor]

Site Internet	http://www.catalyst-semiconductor.com

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8 / 13 page

CAT28C65B

8

Doc. No. 1009, Rev. E

ADDRESS

CE

OE

WE

DATA OUT

tAS

DATA IN

DATA VALID

HIGH-Z

tAH

tWC

tOEH

tDH

tDS

tOES

tBLC

tCH

tCS

tCW

RDY/BUSY

tRB

HIGH-Z

falling edge of

WE or CE, whichever occurs last. Data,

conversely, is latched on the rising edge of

WE or CE,

whichever occurs first. Once initiated, a byte write cycle

automatically erases the addressed byte and the new

data is written within 5 ms.

Page Write

The page write mode of the CAT28C65B (essentially an

extended BYTE WRITE mode) allows from 1 to 32 bytes

of data to be programmed within a single EEPROM write

cycle. This effectively reduces the byte-write time by a

factor of 32.

Following an initial WRITE operation (

WE pulsed low, for

tWP, and then high) the page write mode can begin by

issuing sequential

WE pulses, which load the address

and data bytes into a 32 byte temporary buffer. The page

address where data is to be written, specified by bits A5

to A12, is latched on the last falling edge of WE. Each

byte within the page is defined by address bits A0 to A4

Figure 5. Byte Write Cycle [CE Controlled]

Figure 6. Page Mode Write Cycle

OE

CE

WE

ADDRESS

I/O

tWP

tBLC

BYTE 0

BYTE 1

BYTE 2

BYTE n

BYTE n+1

BYTE n+2

LAST BYTE

tWC

Numéro de pièce similaire - CAT28C65BL-90T

Fabricant	No de pièce	Fiches technique	Description
ON Semiconductor	CAT28C65BLA12	96Kb / 13P	64K-Bit CMOS PARALLEL EEPROM Doc. No. MD-1009, Rev. H
	CAT28C65BLA15	96Kb / 13P	64K-Bit CMOS PARALLEL EEPROM Doc. No. MD-1009, Rev. H
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	CAT28C65BLI12	81Kb / 13P	64K-Bit CMOS PARALLEL EEPROM Doc. No. MD-1009, Rev. H

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Description similaire - CAT28C65BL-90T

Fabricant	No de pièce	Fiches technique	Description
ON Semiconductor	CAT28C64BL12	78Kb / 13P	64K-Bit CMOS PARALLEL EEPROM Doc. No. MD-1011, Rev. I
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Catalyst Semiconductor	CAT28LV65	74Kb / 12P	64K-Bit CMOS PARALLEL EEPROM
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ON Semiconductor	CAT28C64BJ-20	78Kb / 13P	64K-Bit CMOS PARALLEL EEPROM Doc. No. MD-1011, Rev. I

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