DS33Z41 Quad IMUX Ethernet Mapper

11.8 Microprocessor Bus AC Characteristics

Table 11-13. AC Characteristics—Microprocessor Bus Timing

(VDD3.3 = 3.3V ±5%,VDD1.8 = 1.8 ± 5% Tj = -40°C to +85°C.)

PARAMETER

SYMBOL

MIN

TYP

MAX

UNITS

 

 

 

 

 

 

Setup Time for A[12:0] Valid to CS Active

t1

0

 

 

ns

 

 

 

 

 

 

Setup Time for CS Active to either RD, or WR

t2

0

 

 

ns

Active

 

 

 

 

 

 

 

 

 

 

 

 

 

Delay Time from Either RD or DS Active to

t3

 

 

75

ns

DATA[7:0] Valid

 

 

 

 

 

 

 

 

 

 

 

 

 

Hold Time from Either RD or WR Inactive to

t4

0

 

 

ns

CS Inactive

 

 

 

 

 

 

 

 

 

 

 

 

 

Hold Time from CS or RD or DS Inactive to

t5

5

 

20

ns

DATA[7:0] Tri-State

 

 

 

 

 

 

Wait Time from RW Active to Latch Data

t6

80

 

 

ns

 

 

 

 

 

 

Data Setup Time to DS Inactive

t7

10

 

 

ns

 

 

 

 

 

 

Data Hold Time from RW Inactive

t8

2

 

 

ns

 

 

 

 

 

 

Address Hold from RW inactive

t9

0

 

 

ns

 

 

 

 

 

 

Write Access to Subsequent Write/Read

t10

80

 

 

ns

Access Delay Time

 

 

 

 

 

 

 

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Maxim DS33Z41 specifications VDD3.3 = 3.3V ±5%,VDD1.8 = 1.8 ± 5% Tj = -40C to +85C