Genicom 3600 User Manual

Page 166

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3600 Printer Maintenance Manual

A-12

Timing

Row

Name

Formula

Min

Max

Margin

Comment

1D

Tclsa

[3,30]

3

30

332 Clk low to sel asserted

2V

Tco

[2,10]

2

10

GAL Clk to output delay

3D

Tchav

[2,39]

2

39

332 Clk hi to add valid

4D

Tsy

[Tsy

4

12

5C

Trah

[15, ]

15

<13.25>

DRAM row add hold time

6C

Taist

[5, ]

5

<38.50>

332 DSACK setup time

7D

Tclsn

[3,30]

3

30

332 Clk low to sel negated

8D

Tsy

Tsy

4

12

9V

Tpd

[3,15]

3

15

GAL Tpd

10C

Tasc

[0, ]

0

<6.25>

DRAM col add setup

11C

Tasr

[0, ]

0

<65.75>

DRAM row add setup

12C

Tras

[80, ]

80

<38>

DRAM ras low time

13C

Tds

[25, ]

25

<18.50>

DRAM

14V

Tsy

[4,12]

4

12

Sel to output HC257

15D

Tpd

Tpd

3

15

16D

Tpd

Tpd

3

15

17D

Tco

Tco

2

10

18D

Tpd

Tpd

3

15

19D

Tco

Tco

2

10

20D

Tpd

Tpd

3

15

21C

Tcas

[20, ]

20

<35.50>

22D

Tclsa

[3,30]

3

30

Same as 1

23C

Trp

[60, ]

60

<52>

24C

Tcah

[20, ]

20

<70.75>

25D

Tco

Tco

2

10

26D

Tpd

Tpd

3

15

27D

Tco

Tco

2

10

28D

Tchav

[2,39]

2

39

29C

Tasr

[0, ]

0

<65.75>

30D

Tco

Tco

2

10

31C

Trpc

[10, ]

10

<39.50>

32D

Tco

Tco

2

10

33D

Tco

Tco

2

10

34D

Tclsn

[3,30]

3

30

35D

Tclsa

[3,30]

3

30

36D

Tco

Tco

2

10

37C

Trp

[60, ]

60

<57>

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