Table c-5, Expanded bus timing characteristics (3.3v range) – Motorola MC9S12GC-Family User Manual

Page 125

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Device User Guide — 9S12C128DGV1/D V01.05

125

Table C-5 Expanded Bus Timing Characteristics (3.3V Range)

Conditions are VDDX=3.3V+/-10%, Junction Temperature -40˚C to +140˚C, C

LOAD

= 50pF

Num

C

Rating

Symbol

Min

Typ

Max

Unit

1

D

Frequency of operation (E-clock)

f

o

0

16.0

MHz

2

D

Cycle time

t

cyc

62.5

ns

3

D

Pulse width, E low

PW

EL

30

ns

4

D

Pulse width, E high

1

PW

EH

30

ns

5

D

Address delay time

t

AD

16

ns

6

D

Address valid time to E rise (PW

EL

–t

AD

)

t

AV

16

ns

7

D

Muxed address hold time

t

MAH

2

ns

8

D

Address hold to data valid

t

AHDS

7

ns

9

D

Data hold to address

t

DHA

2

ns

10

D

Read data setup time

t

DSR

15

ns

11

D

Read data hold time

t

DHR

0

ns

12

D

Write data delay time

t

DDW

15

ns

13

D

Write data hold time

t

DHW

2

ns

14

D

Write data setup time

(1)

(PW

EH

–t

DDW

)

t

DSW

15

ns

15

D

Address access time

(1)

t

ACCA

29

ns

16

D

E high access time

(1)

(PW

EH

–t

DSR

)

t

ACCE

15

ns

17

D

Read/write delay time

t

RWD

14

ns

18

D

Read/write valid time to E rise (PW

EL

–t

RWD

)

t

RWV

16

ns

19

D

Read/write hold time

t

RWH

2

ns

20

D

Low strobe delay time

t

LSD

14

ns

21

D

Low strobe valid time to E rise (PW

EL

–t

LSD

)

t

LSV

16

ns

22

D

Low strobe hold time

t

LSH

2

ns

23

D

NOACC strobe delay time

t

NOD

14

ns

24

D

NOACC valid time to E rise (PW

EL

–t

LSD

)

t

NOV

16

ns

25

D

NOACC hold time

t

NOH

2

ns

26

D

IPIPO[1:0] delay time

t

P0D

2

14

ns

27

D

IPIPO[1:0] valid time to E rise (PW

EL

–t

P0D

)

t

P0V

16

ns

28

D

IPIPO[1:0] delay time

(1)

t

P1D

2

25

ns

29

D

IPIPO[1:0] valid time to E fall

t

P1V

11

ns

NOTES

:

1. Affected by clock stretch: add N x t

cyc

where N=0,1,2 or 3, depending on the number of clock stretches.

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