FW82801E Intel, FW82801E Datasheet - Page 74

• Manufacturer Part Number: FW82801E
• Description: Communications I/O Controller Hub
• Manufacturer: Intel

Intel
74
Figure 19. Ultra ATA Mode (Pausing a DMA Burst)
Figure 20. Ultra ATA Mode (Terminating a DMA Burst)
Figure 21. USB Rise and Fall Times
®
82801E C-ICH
DMARDY# (drive)
STOP (host)
DMACK# (host)
DMARQ (drive)
DMARDY#
STROBE
Strobe (host)
STOP (host)
DATA (host)
Full Speed: 4 to 20 ns at C
DATA
L
C
C
= 50 pF
L
L
Differential
Data Lines
Low Speed: 75 ns at C
10%
t122
Rise Time
t87
t90
90%
Advance Information Datasheet
L
= 50 pF, 300 ns at C
t88
90%
t123
Fall Time
CRC
10%
L
= 350 pF
t91