X76F641 データシートの表示（PDF） - IC MICROSYSTEMS

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X76F641

Secure Serial Flash

IC MICROSYSTEMS 

X76F641

RST Timing Diagram – Response to a Synchronous Reset

RST

tNOL

CLK

I/O

tRST

1st

clk

pulse

tRDV

tNOL

tSU:RST

tHIGH_RST

2nd

clk

pulse

tCDV

DATA BIT (1)

tLOW_RST

3rd

clk

pulse

DATA BIT (2)

RST

CLK

I/O

DATA BIT (N)

DATA BIT (N+1)

(N+2)

GUIDELINES FOR CALCULATING TYPICAL VALUES OF BUS PULL UP RESISTORS

100

80

RMAX

60

40

20 RMIN

20 40 60 80 100

Bus capacitance in pF

V

R

MIN

= --I-C--C--M--A--X-----=---1-.-8--K--Ο-

OLMIN

t

R

MAX

R

= C----------------

BUS

tR = maximum allowable SDA rise time

7025 FM 21

7025 FM 22

14

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