Test waveforms and measurement levels, Output test load – Rainbow Electronics AT45DB642 User Manual

Page 16

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16

AT45DB642

1638F–DFLSH–09/02

Test Waveforms and Measurement Levels

Output Test Load

AC Characteristics – Parallel Interface

Symbol

Parameter

Min

Max

Units

f

SCK1

CLK Frequency

5

MHz

f

CAR1

CLK Frequency for Continuous Array Read

3

MHz

f

BARSD1

CLK Frequency for Burst Array Read with Synchronous Delay

5

MHz

t

WH

CLK High Time

80

ns

t

WL

CLK Low Time

80

ns

t

CS

Minimum CS High Time

250

ns

t

CSS

CS Setup Time

250

ns

t

CSH

CS Hold Time

250

ns

t

CSB

CS High to RDY/BUSY Low

150

ns

t

SU

Data In Setup Time

75

ns

t

H

Data In Hold Time

25

ns

t

HO

Output Hold Time

0

ns

t

DIS

Output Disable Time

55

ns

t

V

Output Valid

70

ns

t

XFR

Page to Buffer Transfer/Compare Time

700

µs

t

EP

Page Erase and Programming Time

20

ms

t

P

Page Programming Time

14

ms

t

PE

Page Erase Time

8

ms

t

BE

Block Erase Time

12

ms

t

RST

RESET Pulse Width

10

µs

t

REC

RESET Recovery Time

1

µs

AC

DRIVING

LEVELS

AC

MEASUREMENT

LEVEL

0.45V

2.0

0.8

2.4V

tR, tF < 3 ns (10% to 90%)

DEVICE

UNDER

TEST

30 pF

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