DRIVE WRITE TIMING

TLF9384 – 16

Symbol

Parameter

Conditions

Min

Max

Units

Write Data Pulse Width

250 kbs (MFM)

500

ns

300 kbs (MFM)

416

ns

500 kbs (MFM)

250

ns

1000 kbs(MFM)

225

ns

Head Select Setup to Write Gate Assertion

50

m

s

Head Select Hold from Write Gate

15

m

s

Note 11

Whenever WGATE is asserted the WDATA line is active At the end of each write one dummy byte is written before WGATE is deasserted

DRIVE TRACK ACCESS TIMING

TLF9384 – 17

Symbol

Parameter

Min

Max

Units

Direction Setup prior to Step

6

m

s

Direction Hold from End of Step

1 step time

Step Pulse Width

8

m

s

Index Pulse Width

100

ns

Drive Select or Motor Time from Write Strobe

100

ns

25