NH82801DB S L8DE Intel, NH82801DB S L8DE Datasheet - Page 529
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NH82801DB S L8DE
Manufacturer Part Number
NH82801DB S L8DE
Description
Manufacturer
Intel
Datasheet
1.NH82801DB_S_L8DE.pdf
(587 pages)
Specifications of NH82801DB S L8DE
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Table 17-10. IDE PIO and Multiword DMA ModeTiming
82801DB ICH4 Datasheet
NOTES:
1. IORDY is internally synchronized. This timing is to guarantee recognition on the next clock.
2. PIORDY sample point from DIOx# assertion and PDIOx# active pulse width is programmable from 2–5 PCI
3. PIORDY sample point from DIOx# assertion, PDIOx# active pulse width and PDIOx# inactive pulse width
4. PDIOx# inactive pulse width is programmable from 1–4 PCI clocks when the drive mode is Mode 2 or greater.
Sym
t60
t61
t62
t63
t64
t65
t66
t67
t68
t69
t70
t71
t72
t73
t74
t75
t76
clocks when the drive mode is Mode 2 or greater. Refer to the ISP field in the IDE Timing Register
cycle time is the compatible timing when the drive mode is Mode 0/1. Refer to the TIM0/1 field in the IDE
timing register.
Refer to the RCT field in the IDE Timing Register.
PDIOR#/PDIOW#/SDIOR#/SDIOW# Active From
CLK66 Rising
PDIOR#/PDIOW#/SDIOR#/SDIOW# Inactive From
CLK66 Rising
PDA[2:0]/SDA[2:0] Valid Delay From CLK66 Rising
PDCS1#/SDCS1#, PDCS3#/SDCS3# Active From
CLK66 Rising
PDCS1#/SDCS1#, PDCS3#/SDCS3# Inactive From
CLK66 Rising
PDDACK#/SDDACK# Active From CLK66 Rising
PDDACK#/SDDACK# Inactive From CLK66 Rising
PDDREQ/SDDREQ Setup Time to CLK66 Rising
PDDREQ/SDDREQ Hold From CLK66 Rising
PDD[15:0]/SDD[15:0] Valid Delay From CLK66
Rising
PDD[15:0]/SDD[15:0] Setup Time to CLK66 Rising
PDD[15:0]/SDD[15:0] Hold From CLK66 Rising
PIORDY/SIORDY Setup Time to CLK66 Rising
PIORDY/SIORDY Hold From CLK66 Rising
PIORDY/SIORDY Inactive Pulse Width
PDIOR#/PDIOW#/SDIOR#/SDIOW# Pulse Width
Low
PDIOR#/PDIOW#/SDIOR#/SDIOW# Pulse Width
High
Parameter
Min
10
48
2
2
2
2
2
2
2
7
7
2
7
7
7
Max
20
20
30
30
30
20
20
30
Electrical Characteristics
Units
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
1
1
2,3
3,4
Notes
17-8,17-9
17-8,17-9
17-8
17-8
17-8
17-9
17-9
17-9
17-8,17-9
17-8,17-9
17-8,17-9
17-8
17-8
17-8
17-8,17-9
17-8,17-9
Figure
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