Motorola Bus Format

MULTIPLEXED MICROPROCESSOR BUS

TLH10803 – 9

NON-MULTIPLEXED MICROPROCESSOR BUS

TLH10803 – 10

Note: For TP3465 MID, the AS (Address Strobe) and DS (Data Strobe) are active high polarity signals. For Non-multiplexed busses AS = 0. See

Figure7 for

connection diagram

Symbol

Parameter

Conditions

Min

Max

Units

Width Address Strobe High

20

ns

Setup Address to Address Strobe

10

ns

Hold Address Strobe Low to Address

10

ns

Hold Address Strobe to Data Strobe

10

ns

Delay Data Strobe Low to Data (Read)

100 pF Load

70

ns

Hold Data Strobe High to Data

5

40

ns

Width Data Strobe Low

20

ns

Setup Data to Data Strobe High (Write)

30

ns

Setup R W Strobe to Data Strobe

10

ns

Hold Data Strobe to RW

10

ns

Setup Address to Data Strobe Low

10

ns

Hold Data Strobe High to Address

10

ns

14