MT8931C

9-105

† Characteristics are for clocked operation over the ranges of recommended operating temperature and supply voltage.

‡ Typical figures are at 25

Figure 26 - Motorola Bus Interface Timing

Characteristics

Sym

Min

Max

Units

Test Conditions

1

Chip select setup time

10

ns

2

Chip select hold time

10

ns

3

Address strobe pulse width

50

ns

4

Data strobe setup time

20

ns

5

Data strobe hold

20

ns

6

Data strobe pulse width

- Write

- Read

100

240

ns

ns

7

Read/Write setup time

40

ns

8

Read/Write hold time

10

ns

9

Address setup time

20

ns

10

Address hold time

20

ns

11

Data setup time - Write

35

ns

12

Data hold time - Write

30

ns

13

Data output delay

240

ns

50 pF load

14

Data hold time - Read

25

90

ns

50 pF load

CS

AS

DS

R/W

AD0

-AD7

(Write)

AD0

-AD7

(Read)

Address

Data Output

Address

Data Input