CAT28C65BKA-12T datasheet(8/11 Pages) CATALYST

Nome de Peças	CAT28C65BKA-12T

Descrição Electrónicos	64K-Bit CMOS PARALLEL E2PROM

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Fabricante Electrônico	CATALYST [Catalyst Semiconductor]

Página de início	http://www.catalyst-semiconductor.com

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CAT28C65B

8

Doc. No. 25036-00 2/98 P-1

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 E2PROM 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]

5099 FHD F07

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

5096 FHD F10

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

Nº de peça semelhante - CAT28C65BKA-12T

Fabricante Electrônico	Nome de Peças	Folha de dados	Descrição Electrónicos
Catalyst Semiconductor	CAT28C65BKA-12T	418Kb / 13P	64K-Bit CMOS PARALLEL EEPROM

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Descrição semelhante - CAT28C65BKA-12T

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CAT28C65BKA-12T Folha de dados(PDF) 8 Page - Catalyst Semiconductor

CAT28C65BKA-12T Folha de dados(HTML) 8 Page - Catalyst Semiconductor

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