Ac electrical characteristics (0°c to 70°c; v, 0v ±10%), Ac test conditions – Rainbow Electronics DS1384 User Manual

Page 12

Advertising
background image

DS1384

12 of 17

AC ELECTRICAL CHARACTERISTICS

(0°C to 70°C; V

CC

= 5.0V ±10%)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

NOTES

Read Cycle Time

t

RC

120

ns

Address Access Time

t

ACC

120

ns

CE

Access Time

t

CO

120

ns

CE

Data Off Time

t

CEZ

40

ns

Output Enable Access
Time

t

OE

60

ns

Output Enable Data
Off Time

t

OEZ

40

ns

Output Enable to DQ
Low-Z

t

OEL

5

ns

CE

to DQ Low-Z

t

CEL

10

ns

Output Hold from Address

t

OH

5

ns

CE

to

CEO

Low or High

t

CEPD

25

ns

OE

Low to

OER

Low

A0-A16 > 00040h

t

OERL

20

ns

OE

High to

OER

High

Time

t

RO

20

ns

Address 00040h-1FFFFh

to

OER

Low

t

AOEL

50

ns

Address 00000h-0003Fh to

OER

High

t

AOEH

40

ns

Write Cycle Time

t

WC

120

ns

Address Setup Time

t

AW

0

ns

CE

Pulse Width

t

CEW

120

ns

Address Hold from
End of Write

t

AH

10

ns

Write Pulse Width

t

WP

80

ns

CE

Data Off Time

t

CEZ

40

ns

WE

Data Off Time

t

WEZ

40

ns

WE

or

CE

Inactive Time

t

WR

10

ns

Data Setup Time

t

DS

45

ns

Data Hold Time High

t

DH

0

ns

INTA

and

INTB

Pulse

Width

t

IPW

3

ms

AC TEST CONDITIONS

Input Levels:

0V to 3V

Transition Times:

5 ns

Advertising