93C66 参数 Datasheet PDF下载

FM93C66 4096-Bit Serial CMOS EEPROM

(MICROWIRE

TM

Synchronous Bus)

Timing Diagrams

SYNCHRONOUS DATA TIMING

CS

t

CSS

t

SKH

t

SKL

t

CSH

SK

t

DIS

DI

t

DIH

Valid

Input

t

PD

DO (Data Read)

t

SV

DO (Status Read)

Valid Status

t

DH

Valid

Output

t

PD

Valid

Output

t

DF

t

DF

Valid

Input

READ CYCLE (READ)

t

CS

CS

SK

DI

1

Star t

Bit

1

0

A7

A6

Address

Bits(8)

A1

A0

Opcode

Bits(2)

DO

High - Z

Dummy

Bit

93C66:

Address bits patter n -> User defined

;;;;;;;;;;;;;;

;;;;;;;;;;;;;;

;;;

;;;

0

D15

D1

D0

WRITE ENABLE CYCLE (WEN)

t

CS

CS

SK

DI

1

Star t

Bit

0

0

A7

A6

Address

Bits(8)

A1

A0

Opcode

Bits(2)

DO

High - Z

93C66:

A d d r e s s b i t s p a t t e r n - > 1 - 1 - x - x - x - x - x - x ; ( x - > D o n ' t C a r e, c a n b e 0 o r 1 )

8

FM93C66 Rev. C.1

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